Ask HN: Who is hiring? (November 2025)

Renaissance Philanthropy | MLE/Full-stack | Remote (worldwide)

Renaissance Philanthropy's aim is to activate a virtuous circle of increasing ambition and impact between philanthropists and innovators: by identifying frontier experts both in science and in new ways of solving problems; by tapping into the growing number of emerging philanthropists; and by building multi-sector initiatives that can harness the power of philanthropy, markets, and governments.

RenPhil's Engineering Hub supports mission-driven, grant-funded educational technology projects that seek to improve educational outcomes in fundamental skills like math and reading. The Engineering Hub consists of data scientists, machine learning engineers, and full-stack developers who collaborate with researchers and entrepreneurs to build scalable, measurably effective tools for teachers and students.

We’re looking for folks who:

- can speak the languages of both research and engineering

- are creative problem solvers

- are comfortable with navigating ambiguity

- want to help create a world where all children receive a high-quality education.

If this sounds like you, please apply!

https://www.renaissancephilanthropy.org/careers

Darwinium | Senior Fullstack Engineer (Frontend focused) | Enterprise Fraud & Risk Management | Remote (GMT+11 – Sydney) Darwinium helps some of the world’s biggest companies stop fraud before it happens — without breaking the experience for genuine customers. We do this through a unique edge-deployed architecture that provides real-time visibility and control across every customer journey.

We’re a VC-backed startup of 35 people, with engineering and product based in Sydney. The founding team previously built and exited companies in the fraud and security space (including billion-dollar outcomes).

The role: We’re looking for a senior fullstack engineer who enjoys working across boundaries from TypeScript frontends and backend services to data pipelines and distributed systems. You’ll work closely with our platform and product teams to build the tools that power customer fraud detection and orchestration. Someone who has built vscode extensions or has worked closely in the fraud or security space would be a bonus

Our stack: Rust for the engine, ClickHouse for persistence, TypeScript (React + Node) for frontend and ancillary services, deployed globally at the edge.

Interested? decodeRot13([email protected])

HomeVision | Multiple Roles - Eng, SRE, Analytics | Hybrid SF & Remote | Full-Time | $100k-$220k + equity

We have three open roles:

- Engineer - Hybrid SFO I'm looking for an junior-to-senior software engineer to work with me (CTO) directly. Our systems process millions of pages of documents a month for the mortgage industry. We work with some of the largest lenders in the country and are at the forefront of applying LLMs and other multi-modal models in this industry.

New-grad and junior engineers particularly encouraged to apply. Looking for people who are motivated to write good code with a good mix of practicality and aesthetics.

- SRE - US Remote (SFO or Seattle preferred) - This is a broad role on the platform team including AWS infra w/terraform, software engineering, and IT

- Analytics Engineer - US Remote (SFO or Seattle preferred) - Another broad role that includes managing the data warehouse, building durable and ad-hoc reports in sql and python, and doing deep analysis.

Please apply here: https://jobs.ashbyhq.com/homevision/a3f79d43-5d9e-46bf-a43f-...

Pomelo Care | San Francisco, NYC, Remote - USA ONLY with Work Authorization | Software Engineer (mid career - Staff)

Pomelo Care is a multi-disciplinary team of clinicians, engineers and problem solvers who are passionate about improving care for moms and babies. We are Series B, with some notable investors like First Round and a16z. As a member of our engineering team, you will have the opportunity to shape the product, codebase, and culture at Pomelo for years to come. On any given day, you may:

- Write clean, elegant code to build new features and keep our platform humming

- Design new systems to enable Pomelo's clinical team to deliver personalized care to an expanding patient population

- Build a great mobile experience so pregnant women and new parents feel they have a support team in their pocket

Tools we use:

- GCP, Kotlin, Typescript, React, React Native, Terraform, Spanner DB, Big Query, DuckDB, Dagster, DBT, K8s

Personally, I've never had so much fun and learned so much at work. This team is phenomenal, so I recommend applying if you're looking to learn a lot and make a big impact in an important space.

Learn more here: https://www.pomelocare.com/careers

Shepherd | ONSITE | San Francisco, CA

Shepherd is an all-in-one commercial insurance platform. We provide savings on insurance premiums for commercial businesses that are leveraging modern technology on their worksites. While we began with commercial construction, we're expanding into adjacent sectors, like energy.

We’ve raised over $20M and we’re looking for product-minded engineers to join us as we continue to scale! We’re looking for someone who thrives on ownership, drives results, and cares deeply about both technical excellence and customer impact.

We’re hiring for:

* Senior Software Engineer, Full Stack

* Senior Software Engineer, Backend

* Senior Software Engineer, AI Products & Agents

* Senior Software Engineer, AI Infrastructure

* Senior Software Engineer, Cloud Infrastructure

* Data / MLOps Engineer

Our stack includes:

* Typescript, React, Next.js, GraphQL w/ Apollo, Node.js, Postgres & Redis

Apply here: https://shepherdinsurance.com/careers In the form, be sure to mention that you heard about this opportunity via Hacker News.

If you want to read more about our team and culture, check out our blog: https://shepherdinsurance.com/blog

Unto Labs | San Francisco, CA | ONSITE (Hybrid OK), REMOTE (US) | Full-Time Unto Labs is developing the Thru Layer-1 blockchain (https://thru.org)

We recently announced $14.4 million in funding to make blockchains & digital assets useful for the world. Founded by Jump Crypto alumni and core contributors to the Solana protocol and the Firedancer client (https://github.com/firedancer-io/firedancer), we’re tackling fundamental scalability, performance, and usability challenges in distributed ledgers.

Our runtime conforms to the RISC-V specification—moving away from domain-specific VMs, DSLs, and bespoke compiler toolchains that limit developer and institutional adoption. You can write smart contracts and programs in any LLVM compatible programming language and reason about a standard ISA in RISC-V. Components are developed in C for maximal control over performance and resource usage.

We believe there is a unique window of opportunity to developer fairer, more accessible, and more global financial products on resilient public blockchains.

You can check out our docs and open-source developer tooling at docs.thru.org and https://github.com/Unto-Labs/thru/

We are hiring for the following role(s):

- Systems Engineer: https://jobs.ashbyhq.com/unto-labs/13df6bea-b253-4c80-ae05-5...

Moment | Distributed Systems Engineer, Product Engineer | ONSITE NYC | Full-time | https://moment.com | $200k–$325k + equity

Moment is building core infrastructure for fixed-income, the world's largest asset class (4M+ instruments, $150T total market). We work with some of the largest financial institutions to bring all of their fixed-income operations into a single platform.

Cool things we've built include a liquidity-aware portfolio optimizer, high-cardinality market data pipelines, and a best-in-class trading system and ledger. Backend stack is generally Go/Kafka/Postgres on ECS, though some of the quant-ier services are built in Python. Frontend stack is NextJS. Company stack is Slack/Linear/Notion.

Roles:

- Distributed systems engineer: build features + scale systems to model, optimize, and support an idiosyncratic, complicated domain

- Product engineer: build beautiful, powerful interfaces that put these new capabilities in the hands of asset managers, financial advisors, traders, and more.

See more + apply at https://moment.com/careers.

Shamrock ai | Senior Backend Engineer | Hyderabad / Shillong, India | Full-time | Competitive salary + early equity

We’re building Service as a Software for enterprise transformations — starting with SAP S/4 HANA migrations for Fortune 500 companies. Our vision is to catalyze enterprise evolution worldwide - making business transformation intuitive, and autonomous through Agentic AI

We’re already live at a F100 AI hardware company + expected contract from a F20 healthcare logistics company.

Founded by a team with the right mix of deep expertise and AI know-how to achieve this vision: - Anuraag, ex-YC founder, IIT Madras & Stanford GSB - Sarat, Testing services pioneer who’s sold over $900M in enterprise programs - Mick, former CIO of McKesson

Tech: Go / Node.js / Python / SQL / SAP / AWS

Apply if you: - Have 5+ years building and deploying scalable backend systems - Love 0→1 product work and solving complex engineering problems - Enjoy working with big data, distributed systems, and AI-driven tooling - Can balance pragmatism and technical rigor - Want ownership, autonomy, and real customer impact

Interested? Email [email protected] — these go straight to the founder.

Vantage | Senior/Staff Software Engineers | NYC and Remote | Full Time

Vantage is an a16z-backed FinOps / Cloud Cost Management platform that helps 15,000+ organizations globally like Block, Vercel, Temporal, Rippling, FanDuel, CircleCI, etc manage their infrastructure costs. We are a ruby/rails shop and if you love infrastructure, it's a very interesting role as our customers are others like you looking to manage their infra spend.

We also have a lot of exciting projects right now for AI/Agent workflows - basically an agent that can auto-remediate cost related issues on behalf of our customers. We're a well funded Series A company and [backed by a16z, Scale venture partners and founders of Cloudflare, DigitalOcean and Segment]. The company is between 50-75 people today and scaling up quickly.

We're headquartered in NYC but US-remote friendly (sorry, we can't handle international at this time).

Website: https://vantage.sh/ Learn More: https://www.vantage.sh/careers

Sphinx Defense | Engineering, DevOps, & Product | Remote (US Only), DC, Colorado Springs, LA | https://www.sphinxdefense.com

Sphinx Defense builds software to solve complex national security problems for America and its allies. Founded by engineers and technologists with deep experience across commercial and defense technology, we're building a vehicle-agnostic communication infrastructure to enable satellite operators to securely utilize antenna networks and maneuver satellites in real-time. We're bootstrapped, profitable, and growing aggressively.

To learn more about who we are, our engineering culture, and whether this is the right place for you, read our Key Values profile: https://www.keyvalues.com/sphinx-defense

Our current openings are: Sr. Backend Engineer - Colorado Springs : https://grnh.se/7184c0238us

Sr. Backend Engineer - Remote : https://grnh.se/3ef2598b8us

Don’t see a role that aligns with your interests or don’t have the specific Space/ Command & Control experience? Apply to the general interest application and list what type of role you would be interested in : https://grnh.se/4ce199d68us

Check out our open roles: https://www.sphinxdefense.com/#careers

Matterworks.ai | ML Scientist & Engineering | Remote or Hybrid (Boston/Somerville MA)

At Matterworks we are building AI tools to extract insights from the ever-growing corpora of biological data and to unlock opportunities in therapeutic discovery, development, and manufacturing. We are building large-scale deep learning models of biological data to predict the phenotype and behavior of biological systems.

Principal ML Scientist - https://jobs.ashbyhq.com/matterworks/abd91496-f8dc-4a14-aa80...

Staff ML Scientist - https://jobs.ashbyhq.com/matterworks/460eb0dc-61fb-4b6e-843c...

Principal Software Engineer - https://jobs.ashbyhq.com/matterworks/e520eef6-0bfe-4c9b-afc8...

Rivian Automotive | Staff ML Engineer Perception | Full - Time | Hybrid | London | - https://careers.rivian.com/careers-home/jobs/24822?lang=en-u...

The ultimate goal of Rivian's new AI Hub in London is to accelerate the development of our Autonomy Platform to achieve higher levels of autonomous capability, making our vehicles safer, more technologically advanced, and "time-restoring" for our the users.

About us in general: We’re a US-based EV company building groundbreaking electric trucks, SUVs, and commercial vehicles — and an integrated ecosystem of hardware, software, and services in order to keep the world adventurous forever.

Also, other roles that we have opened for the London office can be seen here:

https://careers.rivian.com/careers-home/jobs?sortBy=relevanc...

Resemble AI | San Francisco Bay Area (Mountain View, CA) | Full-Time

We're creating state of the art AI models, including the leading foundation model for Deepfake Detection. Looking for full stack, frontend and machine learning engineers that would love to create prototypes directly with the founders.

Here's what we're looking for:

Frontend Engineer - We're looking for a Frontend Engineer to build intuitive interfaces for our AI platform. You'll work with React/TypeScript to create exceptional user experiences that make complex AI technology accessible to both developers and enterprise users.

Full Stack Engineer (Onsite only) - We are seeking a skilled Full Stack Engineer with experience with both Javascript and Python to join us. The ideal candidate will have a strong background in building and deploying web applications, a passion for working on cutting-edge AI technologies, and the ability to collaborate closely with our founders to create innovative prototypes.

Backend Engineer - Looking for Ruby on Rails and/or Python Developers to join our backend team. Scale up ML systems, make inference run more efficiently, and expose public facing APIs.

DevRel (Onsite only) - We're looking for a Developer Relations engineer to champion our voice AI APIs and open-source projects within the developer community. The ideal candidate will create compelling demos, technical content, and documentation while helping developers integrate our AI models.

Growth Marketing (Onsite only) - Seeking a data-driven growth marketer to accelerate adoption of our AI models across enterprise and developer segments.

If interested, reach out directly to me: zohaib [at] resemble.ai

Brilliant.org | Software Engineers & Designers | Remote (North America), SF, NYC | Full-time | $170k — $235k | https://brilliant.org

Brilliant is building world-class interactive learning experiences that combine challenging problems, compelling narratives, and delightful visual storytelling.

We're hiring engineers and designers to help craft the next generation of interactive learning and change how the world learns.

Engineers at Brilliant think about both "building the right thing" AND "building the thing right" while pursuing high standards of excellence for ourselves, our product, and our codebase.

Our designers craft interaction patterns that make math, science, and computer science concepts feel approachable, delightful, and addictively learnable.

If you're energized by the prospect of doing the best work of your career and changing how the world learns alongside the most talented peers you've ever worked with, you can learn more and apply here: https://brilliant.org/careers.

MUZ11 | Growth Hacker/Partner | REMOTE | Revenue Share

MUZ11 (https://muz11.com) is a new music streaming platform specifically designed for developers and professionals who listen to music while coding/working. I'm building the default music player for focused work sessions.

I'm seeking experienced growth hackers for a partnership role focused on acquiring Premium subscribers. This is a 50/50 revenue share model where you earn up to $5/month per Premium subscriber (launching this week).

What I'm looking for: - Proven user acquisition experience, especially in B2C SaaS - Understanding of developer/tech professional communities - Self-directed approach to growth strategies - Ability to drive conversions to paid subscriptions

This is a true partnership opportunity - no salary, pure performance-based revenue share. Full autonomy in your growth approach. If you build a base of 1,000 users, that's $5k/month recurring.

I'm committed to responding to all applicants. Email [email protected] with examples of your growth work and your approach for MUZ11.

Surge AI (https://surgehq.ai/careers) | Software Engineers (full-stack / product) and Strategic Project Lead, and many more https://surgehq.ai/careers | Full-time | ONSITE SF or NYC | Remote

Our mission at Surge is to build the human infrastructure behind the next wave of AI and LLMs. We operate the largest human data platform in the industry and power the AI teams at all of the top AI labs. This year, we've been focusing on RL environments and agentic workflows to help our clients ship agents that interact with the world. Here are some examples of our past work:

- Creating the GSM8K dataset: https://www.surgehq.ai/blog/how-we-built-it-openais-gsm8k-da...

- Collecting RLHF data for Anthropic's Claude: https://www.surgehq.ai/case-studies/anthropic-claude-surgeai...

You’d be joining a rapidly growing team of former engineering and ML leaders from Google, Meta, Twitter, and Airbnb. We work in small groups, ship quickly, and value autonomy and ownership. No previous AI experience is required, if you have the engineering skills you can learn what you need on the job.

We're looking for senior engineers to work out of our offices in SF or NYC, or remotely. Please reach out to us at [email protected] with a resume and 2-3 sentences describing your interest. Excited to hear from you!

Langdock (YC S23) | Product Engineers (Full-stack), Infrastructure Engineers, AI Associates | Berlin, Germany ONSITE | https://langdock.com

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We're Langdock, and we've built the LLM platform that 2,000+ companies trust to power AI features for 100,000+ users. After hitting $10M ARR with 10x year-over-year growth, we're expanding our Berlin team to shape the next chapter of conversational AI.

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Product Engineer (Full-stack) | €66K – €102K | Equity | €10K – €30K Bonus

Build product features from conception to deployment, collaborating closely with our CPO and working across the entire tech stack to deliver AI-powered features that drive enterprise adoption.

Stack: NextJS, React, Prisma, Postgres, Redis

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Infrastructure Engineer | €66K – €102K | Equity | €10K – €30K Bonus

Contribute to our deployment infrastructure and lead integrations with customer cloud environments. You’ll work hands-on with the latest cloud and container technologies, ensuring our platform runs reliably and securely for some of Europe’s top enterprises

Stack: Terraform, Azure, AWS, GCP, OpenShift

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AI Associate | €66K – €75K | Equity | €10K – €15K Bonus

Three-month rotational program with a pathway to high-impact commercial roles. You’ll join a cohort of technical, customer-facing talent who build deep product expertise and commercial acumen from day one.

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Check out our jobs page here: https://jobs.ashbyhq.com/langdock

Radar Labs | Software Engineers (SRE, data platform, backend, full-stack, mobile) | Remote (US), NYC | Full Time | https://radar.com - Radar is the geo-location dev tool

- Doing 1B+ API calls per day

- Our main languages are Rust and TypeScript, we also use mobile and offline pipeline languages (Python, Scala, and Terraform).

- We're based in NYC with our HQ in Union Square and remote friendly (US)

Interesting things we're working on:

- HorizonDB, our Geospatial database written in Rust

- Precise indoor location more accurate than iOS and Android leveraging Ultra-Wideband, other mobile sensors and ML.

- Extracting raw map data from satellite maps and the web leveraging ML and AI

- Anomaly detection to identify spoofed locations

- Mobile infrastructure that automatically configures itself optimizing battery-life and location accuracy for different use-cases over time

- Multi-Region AWS K8s deployment, 99.99%+ availability

- Frontend tools to visualize and debug location data at scale

Check out our jobs page here: https://radar.com/jobs#jobs If you have any questions, feel free to reply here or you can e-mail me at [email protected]

Cora AI | Founding Engineer, Full Stack | Remote (USA only; Bay Area / CA preferred) | Full-time | $150–200k + early equity

We’re building the account intelligence layer (the missing brain between the data warehouse and enterprise apps) to orchestrate AI agents that actually move revenue and retention, not just demo well.

We’re live with several enterprise customers and hearing: “I’m super excited!! You’re changing our lives!!” — Account Manager (mid-market).

We are backed by Acrew Capital, Emerson Collective, Recall Capital, and angels from LinkedIn, BetterUp, Glean, and Scale AI. Strong pipeline beyond what’s already in production.

Tech: Python, FastAPI, React, Vite, Render (PaaS), Inngest (orchestration)

Apply if you:

- Have real 0→1 startup experience

- Love digging into the details

- Break fuzzy problems into incremental, shippable chunks

- Ship fast and own outcomes end-to-end

- Can effectively steer and leverage AI IDEs

Why Cora:

- Work on cutting-edge applied AI: voice agents, knowledge graphs, multi-agent systems, simulations, and more

- Real users, real impact, high autonomy

- Fast, fair interview loop — no BS

- Fully covered healthcare for you and your dependents

- 401(k) plan

- Flexible time off

Learn more: https://www.cora.ai/

Interested? Email careers [at] cora.ai — these go straight to me, and I read every one.

Teleskope[0] | Full-Time | ONSITE(Hybrid) in NYC Financial District

Teleskope is redefining data security for the AI era with the industry’s first agentic platform that combines precise visibility with automated remediation. Teleskope autonomously scans, catalogs, and classifies data in motion and at rest while automating remediations that understand and adapt to each organization’s unique risk profile, enabling security teams to manage data sprawl proactively while securely enabling AI adoption.

Backed by M13, Primary Venture Partners, Lerer Hippeau, and others, Teleskope is trusted by organizations including Ramp, Legal Zoom, Alloy, GoFundMe, and The Atlantic.

We just announced our Series-A[1] and are looking to continue to grow the team. We are looking for Applied NLP Scientists and Senior/Staff Engineers. More details at

https://www.teleskope.ai/careers https://www.linkedin.com/company/teleskopeai/posts/

Artificial Analysis | https://artificialanalysis.ai | Full Stack Engineer, ML Engineer, Member of Technical Staff | Onsite in San Francisco or in Australia/New Zealand | Competitive Salary + Equity

Artificial Analysis is an independent AI benchmarking and insights provider. We benchmark AI to help engineers and companies understand AI and make informed decisions regarding which AI technologies to use. We are fast growing with a team of 20 and have backing from investors including Nat Friedman, Daniel Gross & Andrew Ng.

We are hiring for four roles: 1. Full Stack Engineer: Full Stack Engineer to support our benchmarking of AI and with communicating these benchmarks to our users. Proficiency in Typescript & Python required. Familiarity with LLM APIs preferred. Tech stack: Javascript/Typescript, Node.js, React/Next.js, Python.

2. ML Engineer: ML Engineer to support our benchmarking and evaluation of AI software stack. You will design and run benchmarks and evaluations of different AI models. Strong analytical skills and proficiency in Python required.

3. Member of Technical Staff: You will design evaluations of different AI models and work to translate technical insights to analysis that helps companies navigate AI.

4. Product Manager (AI Media Generation): You'll work closely with us to develop and enhance our media generation (Image, Video, Speech, Music) arenas and leaderboards, contributing to product strategy and execution at the intersection of creativity and AI.

Apply at hiring (-at-) artificialanalysis.ai with your resume, github and dot points on relevant experience (including anything you've built). Add | HackerNews to email subject line.

Aqora | Quantum Computing Expert | Full-time | Paris (HQ) or Remote (Europe) We're building the go-to hub for quantum computing, focused on organizing quantum hackathons and competitions globally as well as hosting quantum datasets and algorithms.

We've partnered with major industry players, generating six-figure revenues, and have more exciting projects lined up. Our MVP is live, and we're looking for a Quantum Computing Expert to help us scale.

In this role, you’ll: - Refine quantum use cases and define metrics to evaluate submissions.

- Build partnerships and onboard quantum professionals.

- Contribute to product-market fit and platform growth.

- Assist with hackathons and write technical articles on challenges.

Requirements:

- Experience in quantum algorithm development (digital & analog).

- Experience mentoring at hackathons.

- Proactive and detail-oriented.

Bonus: PhD in quantum physics. Perks: Competitive salary, equity options, workspace at Station F (Paris).

Apply by sending your resume, intro, and portfolio to https://quantum.jobs/jobs/85500519-quantum-computing-expert.

Help shape the future of quantum computing at Aqora!

Onja | Back end Developer, Course Design & Full stack Developer Course Design| Full-Time | ONSITE - Madagascar

Looking to join a social-impact driven company? Are you a software developer ready to use your skills for good? Onja trains underprivileged youth into world-class software developers. We are on the lookout for Course Designers who can help our students go from ‘what is coding’ to working in Global tech teams.

Help build a scalable course that will help train Madagascar’s brightest young people, while working alongside a team of talented, fun colleagues from all over Madagascar and the world.

Please apply through the following links: Full Stack Developer, Course Design: https://onja.org/careers/full-stack-developer-course-design Back-End Developer, Course Design: https://onja.org/careers/back-end-developer-course-design

CEF AI | AI Innovator & Principal Software Engineer | Full Time | San Francisco (hybrid, remote-first) | AI Innovator: $100k–$200k + equity | Principal SWE: $80k–$150k + equity | AI Innovator: https://linkly.link/2KOOz | Principal SWE: https://linkly.link/2KOP6 CEF AI builds an AI-first data automation platform for secure, decentralized orchestration of agents that compute directly on encrypted data streams. We’re shipping original systems (not wrappers), with multiple tuned models (CV, NLP, LLMs) and a next-gen multi-agent data infrastructure. Small team, high ownership, low bureaucracy.

What you’ll do

AI Innovator: Prototype and ship production AI features fast; extend our multi-agent orchestration; design private/sovereign data pipelines and dynamic indexing; collaborate tightly with founders to turn research into product.

Principal SWE: Own core platform architecture; design and scale distributed backends/APIs; build great DX (SDKs/CLI); lead reviews/mentorship; drive 0→1 projects with strong reliability and observability.

You might be a fit if you have

A track record taking systems from concept to scale and to revenue.

Deep backend/systems skill (Go/Rust/Kotlin or similar); strong CI/CD/testing discipline.

Experience with distributed, real-time data infra; privacy/security minded.

Hands-on AI product chops (CV, NLP, LLMs/agents) and bias to build/iterate quickly.

Clear communication, product intuition, and comfort working directly with founders.

Apply via the role links above.

Alloy Health: E-Commerce Platform Engineer - Brazil or Columbia (Remote)

Alloy Health is a leading digital health platform providing women with expert, personalized care for perimenopause and menopause. We connect women nationwide with menopause-trained physicians and trusted solutions that support their health, confidence, and well-being.

We’re hiring an E-commerce Platform Engineer to build and optimize the systems behind Alloy’s online customer experience. You’ll develop integrations, services, and platform capabilities that improve conversion, personalization, and growth across our e-commerce ecosystem.

Experience: -Strong proficiency in Node.js and TypeScript, with a proven record of building scalable integrations and services that drive revenue and commerce efficiency. -Deep, hands-on experience with e-commerce platforms (Shopify, commercetools, or similar) and understanding of key metrics (CAC, LTV, conversion rates, attribution models).

Link to apply: https://adr.to/lunywai or email me at joe dot epg at myalloy dot com

ArcPrime | http://arcprime.com/ | Remote | Full Time | Full Stack Developer

ArcPrime just closed a seed round to build the best-in-class AI tools for Intellectual Property attorneys.

We have a world-class team of 6 engineers (CEO is an attorney as well) uniquely positioned to win the entire market. We thrive on execution speed, know our customer and domain to the most intimate detail, and are relentless.

We empower our people to do their best work and grow to their fullest potential. We value impact above all else. We offer highly competitive salaries and top-of-market equity. We plan on hiring fewer than 10 engineers for the lifetime of the company. If this sounds exciting to you, please apply!

Stack: React, Typescript, TailwindCSS, and Google Cloud

Email me with your resume to apply: jon @ domain

Full job description: https://docs.google.com/document/d/1R3JZYV8yVMjgspVDDYHwkTZk...

DocSpot | ONSITE (Santa Clara, CA) | https://docspot.com

DocSpot helps people find doctors by indexing information from a plethora of sources and empowering patients to search through one unified interface.

Tiny company, entry-level candidates welcome (no experience required):

Back-end developer: https://docs.google.com/document/d/1IvcTtE7yE7m5u0NfrVmvtR_i...

Full-stack developer: https://docs.google.com/document/d/1eX3-FuDFaK6kX6IQupm81p3S...

Content specialist (non-technical): https://docs.google.com/document/d/1YKvuLVMXgj527fMuEyaVnum1...

WireScreen (Series A) | Senior Software Engineer | NYC - hybrid | Full-time | $165k-$210k base + equity | https://jobs.ashbyhq.com/wirescreen/89e08ab3-01ed-4296-9459-...

WireScreen is a fast-growing Sequoia-backed Series A startup building the go-to open source intelligence platform for navigating global supply chains and China-related risk. While China maintains some of the world’s most detailed corporate ownership records, the real challenge is connecting the dots. That’s where we come in—surfacing the networks, relationships, and financial ties behind companies to support national security, compliance, and regulatory oversight.

We’re looking for senior software engineers to build our data platform and help us ingest and model messy, unstructured data into insights and actionable intelligence. At the heart of this is a 50m+ entity knowledge-graph with 200m+ relationships represented - and we need your help to build a system that can scale this up by an order of a magnitude. Today, we mostly use Python, Postgres, Airflow and Pyspark.

If you have prior startup experience, can bring strong Python (PySpark is a big plus) experience and have previously worked with TB-scale data sets - we’d love to talk to you.

Apply here: https://jobs.ashbyhq.com/wirescreen/89e08ab3-01ed-4296-9459-...

Or you can reach out to me directly at [email protected] - I lead recruiting here at WireScreen, but if I don't know the answer I'll ping our engineering folks and come back to you fast.

Trak | Product Manager | Full Time | Hybrid NYC

Trak is revolutionizing the collision repair and ADAS calibration industry by building the first AI-driven calibration and compliance platform designed specifically for collision centers, ADAS calibration companies, and the technicians who power them. We are creating the operating platform of record for an industry that has been underserved by technology, enabling shops to automate calibration mapping, documentation, and compliance workflows at scale. By leveraging proprietary datasets and machine intelligence, we are transforming fragmented, manual processes into seamless, data-driven operations. Backed by leading venture investors and scaling aggressively, this is your opportunity to help build the platform that will define the future of automotive repair and calibration.

We are actively hiring for a Product Manager, for more information please see https://adastrak.com/careers. Send resumes and questions to [email protected]

Monadical.com | Senior Full-Stack Engineer | Full-Time Montreal | REMOTE (Canada-Quebec)

Monadical is a fully remote software consultancy. We’ve built a diverse, friendly team that gets exposed to diverse industries and learning opportunities through our 3-12+ month projects across multiple sectors. Check our portfolio to see what we mean. We also maintain company principles that guide who we work with and how we maintain our culture. It’s a collaborative effort that any employee can edit through a pull request. We’re a relatively flat organization, fully-remote, and operate across many different toolsets and stacks depending on project needs. We’re a diverse team that shares similar values: self-direction, technical excellence, and curiosity. We do a lot of R&D, and move quickly. That often means doing whatever it takes to answer a question, and being quick to adapt to new information. Our iteration cycles are short.

We’re seeking:

- Senior Full-Stack developers strong at Python and/or JS, with experience in client relations, project management, a good understanding of machine learning systems—particularly LLMs—and strong UI/UX design and user research skills to help us build more thoughtful AI-powered products. Experience with ML model deployment and LLM application development is a plus.

See the full description and apply here: https://careers.monadical.com/

If you have any questions, drop us an email at apply at monadical dot com

Some perks of working with us include:

• Work from home (we’re fully remote!) • Flexible working hours • Six weeks of paid vacation • Competitive salary • Autonomy •Flat organizational structure. Your ideas matter, regardless of your title

Coast | https://coastpay.com/ | Product Engineer, Full-stack Engineer (Mid/Senior-level) | Full-time | Hybrid in New York City, NY

Coast is re-imagining the trillion-dollar U.S. B2B card payments infrastructure, with a focus on the country’s 500,000 commercial fleets, 40 million commercial vehicles, and many million commercial drivers. Coast's mission is to deliver modern digital experiences, affordable and transparent financial services products at a transformational scale, and to improve working lives in one of the country’s biggest industry sectors.

Coast is competing and winning with software, and we are building a world-class engineering team. We are looking for full-stack product engineers across mid to senior levels.

If interested, apply here: https://job-boards.greenhouse.io/coast/jobs/4000170004

Base: $160,000 - 215,000 + equity + benefits and fun perks!

Dragonfly | https://askdragonfly.com/ | Remote first (frequent trips to London, UK) | Full-time

We’re an early-stage startup at the intersection of system design, cloud infra, and AI, enabling companies to adopt the latest in GenAI, including agentic frameworks.

Backed by Tier 1 VCs, we’ve recently launched publicly and are already partnering with 20+ global brands.

Help us build the foundations of a generational product.

Watch our launch video - https://youtu.be/WW-42TdBhsE?si=L2YnfDi-ayFbKYdA

We're hiring for:

- Founding Product Engineer | https://apply.workable.com/askdragonfly/j/11ADB3CB35/

- Founding AI Engineer | https://apply.workable.com/askdragonfly/j/F866919D1B/

EquipmentShare | 100% Remote (US Anywhere) | Full-Time | Backend/Platform/Data Streaming

EquipmentShare is the fastest-growing heavy construction equipment leasing company with a proprietary SaaS product T3.

Seeking: Sr Software Engineer for our Data/Platform team

Compensation: $150k-$175k + equity + Unlimited PTO + Perks

Job Description: (https://www.equipmentshare.com/careers/openings/7232798/seni...)

News on EquipmentShare Growth: (https://www.businesswire.com/news/home/20250709494079/en/Equ...)

Email me directly for fastest response: [email protected]

Nexufend | UX/UI Frontend designer + developer | Hybrid/REMOTE Europe (within 5h travel time to VIE)

Nexufend is revolutionizing enterprise network security with a groundbreaking distributed firewall that provides process-level visibility. Founded by entrepreneurs who built Safing (4th fastest-growing open-source startup in 2022), we're scaling our B2B security platform.

We're seeking a User Experience and Interface Developer to craft intuitive interfaces for our network security platform. You'll work across our Dashboard UI (Svelte), Grafana integration (React), and supportive components, transforming complex security data into accessible, user-friendly experiences. Working directly with our CTO, you'll have significant creative freedom to shape how IT administrators interact with cutting-edge security technology.

https://join.com/companies/nexufendcom/15097623-ux-ui-fronte...

Ditto | Product Designer | Remote (US/Canada) | $140-200K + early team member equity

Ditto helps teams manage their copy from design to production with a single source of truth. Over 3600 teams (from Fortune 500 companies to startups!) currently use Ditto.

We're hiring our second product designer to help to define and design our core product, from strategy to execution. As the second designer on our team, you’ll have an outsized impact on defining not only what Ditto is and how it works, but what we do next.

Ditto is a design-driven company. Our design function has high ownership around identifying and shaping problem spaces, exploring solutions, and helping to drive implementation. We don’t have a product function—instead, both design and engineering own the product lens. We think this is critical for Ditto’s product, which used by design and engineering teams in their day-by-day workflows.

More info and to apply: https://www.dittowords.com/careers/product-designer

CEF AI | AI Innovator & Principal Software Engineer | Full Time | San Francisco (hybrid, remote-first) | AI Innovator: $100k–$200k + equity | Principal SWE: $80k–$150k + equity | AI Innovator: https://linkly.link/2KOOz | Principal SWE: https://linkly.link/2KOP6

CEF AI builds an AI-first data automation platform for secure, decentralized orchestration of agents that compute directly on encrypted data streams. We’re shipping original systems (not wrappers), with multiple tuned models (CV, NLP, LLMs) and a next-gen multi-agent data infrastructure. Small team, high ownership, low bureaucracy.

What you’ll do

AI Innovator: Prototype and ship production AI features fast; extend our multi-agent orchestration; design private/sovereign data pipelines and dynamic indexing; collaborate tightly with founders to turn research into product.

Principal SWE: Own core platform architecture; design and scale distributed backends/APIs; build great DX (SDKs/CLI); lead reviews/mentorship; drive 0→1 projects with strong reliability and observability.

You might be a fit if you have

A track record taking systems from concept to scale and to revenue.

Deep backend/systems skill (Go/Rust/Kotlin or similar); strong CI/CD/testing discipline.

Experience with distributed, real-time data infra; privacy/security minded.

Hands-on AI product chops (CV, NLP, LLMs/agents) and bias to build/iterate quickly.

Clear communication, product intuition, and comfort working directly with founders.

Apply via the role links above.

Onefish AI | AI Fullstack Engineer | San Diego, CA (On-Site/Hybrid) | Full-Time | Starting $80K + Competitive Equity (Path to $300K)

Onefish AI is building a revolutionary offline-first Progressive Web App (PWA) to deliver AI consulting to small and medium-sized enterprises (SMEs). We are disrupting the AI consulting market by providing robust, game-like AI tools that are 100% functional offline, boosting efficiency and cutting waste for real-world businesses. Our unique hybrid architecture combines browser-based Python execution (Pyodide) with intelligent cloud routing to empower businesses where connectivity is a challenge. We are looking for a Founding AI Fullstack Engineer to own and build this core hybrid architecture from the ground up. This is a rare blend of: Cutting-edge R&D (multi-agent AI systems, browser ML) Advanced Engineering (offline PWAs, Pyodide, Go/FastAPI routing) Direct Business Impact (building solutions that solve immediate SME problems) The ideal candidate will be an expert in Python (specifically for single-source browser + cloud runtimes) and have deep experience with Svelte, Pyodide, FastAPI, Go, PostgreSQL, and Docker. You will be responsible for everything from PWA Service Worker architecture and data synchronization to multi-agent LLM design and model optimization for offline performance. If you are a builder energized by creating a highly complex and unique tech stack to solve a massive market need, we want to talk to you. This role offers the Lead Engineer → CTO trajectory. To apply, submit your Resume + GitHub + 1-page cover letter + 3 references to: [email protected] Subject: "Candidate: AI Fullstack Engineer - [Your Name]"

Note on Compensation & Growth: The $80K is a starting base salary, with a clear path to $300K+ total compensation (salary, bonuses, equity, and benefits) based on demonstrated technical contribution and business performance.

Layer Health | https://www.layerhealth.com/ Our Team: https://www.linkedin.com/company/layerhealth/people/ BOSTON (Boston Common) or NYC (downtown) - hybrid in both locations; no remote

Work Location: HYBRID in Boston or NYC (downtown) Headcount: ~33, hiring 2-3 per month

Stack: React / Typescript / Python / GCP

Open Roles: Fullstack Engineer (Sr/Staff) * EHR Integrations Engineer (FHIR) * ML Infrastructure (Staff+) * Research Scientist (PhD's) * Data Scientist (Sr/Staff)and looking for CS/previous eng background ideally * Security Engineer * ML Engineer / ML Infra

We Offer: * competitive base salary + equity + great health/medical benefits * unlimited PTO * collaborative engineering-first culture, in office 2-3 days per week in Boston and NYC offices

Layer Health was founded in 2023 by leading machine learning researchers from MIT and Harvard Medical School. We are building an AI layer that can accurately and scalably synthesize information from medical records, with the mission to reduce friction everywhere in healthcare. Our LLM-powered platform is solving chart review once and for all, across use cases. For health systems, our first product dramatically accelerates clinical registry abstraction in areas ranging from surgery and cardiology, to oncology. Our long term vision is for our AI layer to safely transform patient care and minimize unnecessary heartbreak. Layer Health’s diverse founding team brings expertise across machine learning, UI/UX, large language models, and medicine.

Email me at [email protected] for more info!

SmarterDx | 150-250k+ + equity + benefits | Remote (US only) | Multiple roles | https://smarterdx.com/careers

We build clinical AI that empowers hospitals to analyze the complete record of every patient to fully capture the value of care delivered. Founded by physicians in 2020, our proprietary AI platform understands the nuances of clinical reasoning, enabling hospitals to accurately reflect every patient visit for fair reimbursement. By doing so, hospitals can recover millions in earned revenue, enhance care outcome and quality metrics, and optimize healthcare operations.

The current team is very high functioning (MD + data scientist combos, former ASF board member, Google and Amazon engineers, Stanford LLM researchers, etc.) and initially scaled the company to $1MM+ in contracted revenue without raising capital.

SmarterDx recently became part of Smarter Technologies as part of a $1.1B deal by New Mountain Capital, a leading growth-oriented investment firm. We have been backed by top investors including Floodgate (Lyft, Twitch, Twitter), Transformation Capital, and Bessemer for a total of $71M, including our $50M Series B, and are experiencing an incredible growth trajectory customer and revenue wise with no signs of slowing down with 150% YoY headcount growth! This time last year, we were at ~110 employees, and are above 280 as of today!

We are looking for: Security Engineering Manager - Staff and Senior SWEs, Full Stack and Backend focused - Staff ML Engineers - Data Science Managers - Staff Data Scientists - Senior Data Analysts - Senior Product Managers - More!

We have PMF, and it's time to scale! For more and to apply, see https://smarterdx.com/careers

Adobe | Senior Software Engineer (Real-Time Customer Data Platform) | Full-Time | ONSITE – (San Jose, CA)

My team at Adobe is hiring senior engineers to scale the Real-Time Customer Data Platform, which processes trillions of events to power real-time personalization for global brands. This is deep, low-latency distributed systems work — not typical enterprise app dev.

We use: Java, Scala, Spring Boot, Kafka, Spark, Flink, Cosmos DB, Aerospike, FoundationDB, Delta Lake, K8s, Azure/AWS, Docker, OpenAI, Vector DBs.

Looking for:

• 5+ years building large-scale distributed or streaming systems

• Strong backend skills (Java/Scala, concurrency, perf tuning)

• Experience with Kafka/Spark/Flink and cloud-native systems

Bonus: Martech/Adtech, identity resolution, or personalization experience.

Email me at [email protected] with “HN” in the subject, or apply here:https://careers.adobe.com/us/en/job/ADOBUSR160198EXTERNALENU...

IDinsight | India, Senegal, Kenya | Full stack data scientist I/II (Python/React)

https://idinsight.bamboohr.com/careers/13

Come use your skills for good. Work on some of the most challenging (and not just technically) projects. Here are the kinds of projects you'd work on - all actual IDinsight projects:

- Help an NGO find out of school kids using predictive models

- Help a state government in India identify land parcels for solar parks using geospatial analysis

- Allocate teachers to schools to maximise classroom coverage using linear mixed integer programming

- Connect citizens to benefits using agentic AI solutions Answer questions from new and expecting mothers using an LLM powered Q&A service

- Support teachers and content developers in a bilingual structured pedagogy program in a West African country using LLMs

- Support Community Health Workers with LLM powered tools to improve their workflow

Come for the work but stay for the team culture. The most caring, funny, and talented bunch of people you'll ever work with.

Kilo Code | Senior Software Engineers, TypeScript Engineers, Fullstack Engineers, Product Manager | Remote | https://jobs.ashbyhq.com/kilocode

Kilo Code is building the fastest-evolving open-source AI coding agent to make programming accessible to developers everywhere. Already ranked #1 on OpenRouter, with 500K+ downloads and 4.9 trillion tokens used per month, we combine the best features of existing AI coding tools with our own innovations, all guided by community feedback, to create a flexible, powerful, and user-first platform.

We’re looking for engineers and product managers who thrive in a fast-paced, impact-driven environment. You’ll work across our full stack (Typescript + Postgres), ship meaningful features quickly, and engage directly with our global user community. Collaboration, creativity, and the ability to move from idea to production at “Kilo Speed” are key.

If interested, please email your resume and best contact info to: [email protected]

ComfyUI | Founding Technical Recruiter | Full-Time | On-site (San Francisco) | $150K – $250K + Equity ComfyUI is a creative AI startup helping designers and engineers build next-generation visual tools powered by generative models. We’re a small (12-person) team growing fast and backed by top investors. Role: Own recruiting end-to-end — design interview loops, implement ATS and recruiting ops, and hire world-class engineers, designers, and GTM talent. Partner directly with founders to shape our team and culture as we scale from 0 → 1. Requirements: • 5 + years recruiting for VC-backed or hyper-growth startups • Experience building systems/processes, not just filling reqs • Comfort operating independently and collaborating closely with leadership Compensation: $150K – $250K + equity Location: San Francisco (on-site 5 days/week) How to apply: Email [email protected] with subject line “HN - Founding Recruiter” and include a short intro or your LinkedIn/resume (PDF).

PrecisionBiome- Top 3 Young European Companies of 2025| Top 0.1% Founding Full-Stack Engineer | Munich/Berlin (onsite) | Full-time | Visa OK

PrecisionBiome builds personalized gut-microbiome therapies to eradicate chronic disease. Bootstrapped → post-revenue; recognized among the Top 3 young European companies by the European Commission. We’re now scaling the platform.

Role Own the full stack that connects lab data → models → patient/clinician outcomes.

-Strength in one or more of: data pipelines, distributed systems, ML in prod, privacy/compliance

-Low-ego, high-bandwidth, truth-seeking mindset

-->How we work Builder pact. Ownership > hierarchy. Fast feedback, high agency.

Compensation -Salary + meaningful equity. Sponsorship available for exceptional candidates.

Start ASAP · Onsite in Munich or Berlin.

Email [email protected] —-->or book a quick intro with the founder: https://calendly.com/m-wessely-precisionbiome/call-w-moritz

Let’s build the future of hyper-personalized health.

Zest AI is a ~150-person B2B SaaS company based in Los Angeles. We build software that helps financial institutions make better, fairer lending decisions using machine learning.

We’re hiring the following roles before the end of the year — all remote (US) or hybrid in Los Angeles. Candidates must be currently based in the United States.

Senior Software Engineer: https://www.linkedin.com/jobs/view/4319165179

Data Scientist: https://www.linkedin.com/jobs/view/4283089469

Machine Learning Engineer: https://www.linkedin.com/jobs/view/4304054095

If you’re interested in learning more, please apply directly and follow up with our team at [email protected]

Posted directly by the Zest AI hiring team (not a recruiting firm or job board)

Float Technologies | Backend, Financial, AI Engineers | Full-Time | ONSITE | New York, New York | $120k-225k https://www.float.tech/careers

At Float, we're building capital markets infrastructure. Our AI-native platform is tackling decades-old inefficiencies, creating technology that enables financial institutions to interact seamlessly and automate intelligently. Based in SoHo, New York and backed by top-tier venture investors, we're a team of engineers, designers, product managers, quants, and market experts shipping elegant solutions to complex problems. We move fast, care deeply about building things right, and work directly with our users to deliver products that transform how markets operate.

If interested, apply here https://float-tech.notion.site/140ab6ef153b800a97e0d68ee5444...

Dialogue AI | Founding Software Engineer | Full-Time | Onsite (Los Angeles, CA)

Dialogue AI is building the future of customer research. Our platform brings together AI agents to help create studies, conduct interviews, and extract meaningful insights -- enabling teams to understand their customers faster and more effectively than traditional methods.

As a founding engineer, you will work across product, infrastructure, and AI to deliver a customer-first product you can be proud of. You will collaborate directly with a founding team from leading tech companies and universities, shaping both the product and the culture as we scale.

- We're looking to hire 2-3 engineers to round out the founding team

- Seed funding secured ~month ago in partnership w/ a top VC

- Compensation: $125-200K USD + equity

If interested, you can email me directly at hubert [@] dialogueai.com or apply here: https://jobs.ashbyhq.com/dialogueai/687b6d39-cf6d-4767-bc83-...