Ask HN: Who is hiring? (November 2025)

Poesis (https://poesis.ai), Founding Engineers (ML, Quant, Head of Eng), On-Site (Palo Alto, CA), Full Time

Poesis is the AI-native investment manager pioneering a new foundation model for investing in U.S. equities. We’re building AI systems to predict market movements and outperform legacy managers. This is frontier research with immediate real-world validation, your work directly shapes investment decisions and portfolio performance.

We’re hiring founding technical roles to build the first generation of our trading and ML systems:

Head of Engineering: own architecture, pipelines, and productization of research; define the technical backbone of the fund.

Founding ML Engineer: build end-to-end ML systems for data ingestion, training, backtesting, and signal generation.

Founding Quant Developer: turn research ideas into production-grade code, working closely with leadership on real trading systems.

We’re a small, deeply technical team based near Stanford, working several days a week on-site in Palo Alto. Relocation support available.

If you’re excited by the intersection of AI, finance, and first-principles design, we’d love to meet you.

Apply here: https://jobs.ashbyhq.com/poesis?utm_source=7B1zo0bVXD

Silk Hedge Fund | https://silk.fund | Co-founder | In-person NYC

Silk is a fully autonomous, full stack AI hedge fund that utilizes large language models to orchestrate the complete spectrum of hedge fund operations—from quantitative research and technical analysis to trade execution, position management, and portfolio oversight. Silk is being designed to support several hundred autarkic cloud-based LLM instances that can each perform their own real time market analysis and trade stocks on a custom recurrence schedule, with custom MCP tools and infrastructure, using initial conditions (configurable strategies) set by humans. The end state for Silk is a multi-prop hedge fund that invests in financial markets with zero humans in the loop.

I'm currently a solo founder working on this full time (2 months). Please reach out if interested. Also looking for advisors / mentors.

Alek Turkmen | [email protected] | https://www.linkedin.com/in/alekturkmen/ | https://alekturk.men

Zed Industries | North America, South America, Europe REMOTE | https://zed.dev/ Zed is a company for developers, by developers. All 3 of our founders have spent years in the trenches writing software and still do it almost every single day. We know the only way to build the world's best code editor is by equipping every single member of the team to do the best work of their career.

We've raised $42M to support our ultimate vision, a new way to collaborate on software, where conversations about code remain connected to the code itself, instead of being tied to aging snapshots or scattered across different tools. The first step was creating a high-quality editor to serve as the user interface. Now this new investment lets us expand to tackle the next phase of our plan. We're developing a new kind of operation-based version control that incrementally tracks the evolution of your code with edit-level granularity, and we're integrating it into Zed to make collaboration, both with agents and teammates, a first-class part of the coding experience.

Backend Rust Engineer - https://zed.dev/jobs/backend-engineer

Rust Engineer - https://zed.dev/jobs/rust-engineer

AI Rust Engineer - https://zed.dev/jobs/ai-engineer

Product Manager - https://zed.dev/jobs/pm

Product Designer - https://zed.dev/jobs/product-designer

CLUTCH | Hardware/firmware Engineer, Product Designer, Head of Growth | Remote | Full-time

Clutch is building an AI camera for racket sports courts and an app where players can get AI-generated highlight reels and game analysis. Like a Strava for racket sports (computer vision instead of GPS). Our initial focus is on the world's fastest growing sport: padel. Since launching earlier this year, we’ve rolled out the Clutch Cam in 25 countries, including many of the most premium and fastest growing clubs.

We've looking for a few cracked personalities to join our small team (https://www.clutchapp.io/about). A passion for racket sports is a big plus, but not a requirement. We're hiring for:

- Harware/firmware engineering: https://clutchapp.notion.site/Embedded-Systems-Engineer-Comp...

- Product design: https://clutchapp.notion.site/Head-of-Product-Design-UI-UX-2...

- Marketing: https://clutchapp.notion.site/Head-of-Growth-Marketing-2a1f7...

Yuzu | https://yuzu.health | Engineers & Designers | Onsite in NYC | Full-time At Yuzu, we’re building the next-generation health insurance company. We are NOT building a digital brokerage or an AI wrapper - we are going deeper to build the foundational infrastructure required to power tomorrow’s health plans.

We're hiring aggressively across the board, see open roles at https://yuzu.health/careers

Suno | Cambridge, MA | New York, NY | Full-time | Onsite

We are building a future where anyone can make music. We’re scaling our engineering team and hiring for the following roles:

- Software Engineer, Android - Jetpack Compose, Kotlin

- Software Engineer, iOS - SwiftUI

- Software Engineer, Fullstack Web - Typescript, React, NextJS, Python, Django - Software Engineer, Growth - all the things

- AI Researchers

- Other roles here https://jobs.ashbyhq.com/suno

Apply at the link above or feel free to shoot me an email at matthiesen (at) suno.com if you have any questions or want to learn more.

Digital Health Strategies | Full Stack Product Engineer (Ruby, JavaScript) | REMOTE; Washington, DC; NYC; Vancouver, BC; (only USA or Canada) | https://digitalhealthstrategies.com | $140k - $220k

We are a series A health tech and data company working with large health systems to grow patient volumes, connect patients with the care they need, and, in the case of our non-profit clients, raise money from grateful patients.

We offer the industry leading grateful patient web app that allows health systems stand up highly integrated web sites quickly and easily to collect stories and feed donor pipeline development.

We're a 30-person team, spread between Washington, DC, New York City, Philadelphia, and Vancouver, BC. We reached $4MM+ annual revenue before raising any outside capital.

We're looking for a mid to senior full stack software engineer generalist who is eager to manage their own product, likes to build quickly, and is focused on understanding the customer and solving their problems. You will have ownership and autonomy with minimal meetings. We use ruby, rails, javascript, postgres, aws, docker.

I'm Arif - reach out if this sounds interesting [email protected].

Zenact AI | Founding Engineers & Interns | Full-Time + 6-Month Internships | Onsite Bangalore | Location flexible for internships (India) Tech: Golang • Python • AI Agents

At Zenact AI, we are building AI agents that test apps like real users. I personally faced this problem at Zomato for over 6 years while handling many bugs and incidents.

We launched recently and already got 35+ signups from leading unicorns & soonicorns in India.

Backed by the Zomato mafia.

Team comes with deep expertise from Zomato’s scale journey.

## Roles:

* Founding Engineers.

* Interns (6 months). Must’ve built serious projects or freelanced early in college.

## Tech Stack:

Golang, Python, Java(5%), Appium, AWS, Docker

## You’ll work on:

* Building the platform from the active feedback from the customers, with heavy focus on improving the end to end latency of testing.

* Fine-tuned vision & reasoning models (currently 92% accuracy vs SOTA ~60%)

* AI agents for mobile testing, reasoning flows.

Apply: shoot a mail to [email protected] or fill form here: https://forms.gle/yWproMowhA4ZF4gv6

Coverage Cat | Senior+ Software Engineers | Remote | Full-time

Coverage Cat is building the AI-native insurance brokerage. Want to make it so that millions of Americans get better financial outcomes, the insurance industry is more transparent, and policies are easy to understand?

Our AI agent combines data, matchmaking, and recommendations into a single-service website that solves personal (i.e., non-commercial) insurance needs.

We look for senior engineers that want to own and build products end to end, gather the data our customers need, and provide tools for them to make the best decisions. You'll build new features from concept to delivery, identify the biggest problems our customers face, and deliver solutions that help people save money and protect the things they love.

More details and application link here: https://www.coveragecat.com/careers/engineering/software-eng...

Pelairo Inc. | Principal Engineer / Tech Lead | REMOTE (US) | Full-time

At Pelairo we're building the most intuitive and flexible Laboratory Information Management System (LIMS) on the market. "Manage the lab, not the LIMS!"

We're looking for a hands-on Principal Engineer to lead the design and delivery of our backend—built on TypeScript + NestJS—and help our small team iterate quickly with confidence. You'll turn ambiguity into shippable slices, help set technical direction, and raise the bar on reliability, security, and speed.

What you'll do:

    - Own the backend: spend meaningful time writing and reviewing production code.

    - Architecture stewardship: keep the system coherent as we scale questionnaire-driven workflows and FHIR pipelines.

    - Reliability & quality: Establish testing strategy (unit/integration/contract/E2E), migrations, rollouts (feature flags).

    - Observability: Instrument tracing/metrics/logging, build dashboards/alerts; drive incident reviews.
    
    - Raise the engineering bar: define and enforce code review policy, branching model, testing strategy, and CI/CD gates.
    
    - Partner with Product & domain experts: translate healthcare workflows into configurable front-end modules; ensure back-end transforms to valid FHIR in Medplum.

    - 8+ years building production systems, including principal/staff scope in a startup or similar pace.

    - Deep TypeScript + Node.js and expert-level NestJS in production.

    - Track record leading cross-team projects and influencing architecture without heavy process.

    - Product sense and crisp communication; comfortable owning ambiguous problems and shipping quickly with guardrails.

Stack: TypeScript (Next.js and NestJS), Medplum, AWS (Cognito, Fargate)

Visa/relocation: No

How to apply: Email hiring [@] pelairo.com and mention "HN Who's Hiring November 2025". (We know the website needs some work, but the product is our priority right now.)

Altira Health | Remote (US) | Full-time | Founding Software Engineer (Interop) | https://www.altirahealth.com/ We're building an AI care platform to reduce ER visits, close care gaps, and guide patients to the right care at the right time. We're a pre-seed healthcare startup working with major providers to drive real outcomes. We have great runway, we're moving fast, and we have lots of leads that mean we can't build fast enough. We also believe in compliance and security from day 0.

We're looking for someone with deep healthcare integration experience to hit the ground running. Ideally they're a pragmatic backend expert to help us scale as we continue to grow. Integrations can be a full time role, but at a startup it's necessary to wear many hats. So this individual should also feel comfortable as a generalist who can jump in at any part of the stack.

Stack: Python, Django, GraphQL, AWS, TypeScript, React, Terragrunt/OpenTofu

Ideal: early-stage experience, deep experience in healthcare integrations, thrives solving problems

Fair compensation + equity

JD and application: https://app.dover.com/apply/altirahealth/862317ca-7c42-4dc1-...

Freeform (http://freeform.co ) | Software Engineers | Full-time | Onsite | Hawthorne, CA (Los Angeles County)

Freeform is deploying metal 3D printing factories at global scale and setting a new frontier in manufacturing. With AI, GPUs, and FPGAs working in tandem, our system monitors and corrects every microsecond of the process, delivering a level of precision, speed, and quality that’s never been possible—until now. This isn’t just an improvement; it’s a leap forward in how complex metal parts are made, with the ability to revolutionize industries like aerospace, defense, automotive, energy, and beyond. We are backed by top VCs including NVIDIA’s NVentures, Founders Fund, and Threshold Ventures.

It’s a small, tight-knit team and you’d have the opportunity to own significant and impactful greenfield projects throughout the entire development lifecycle and much more. Our software team comes from the likes of Google, SpaceX, and Apple, and believe in taking a first principles approach to solving hard problems.

A glimpse into our software landscape - https://youtu.be/nFWQArUkd5I?si=mP17qdKbxvf8qpZN

Our feature in TechCrunch! https://techcrunch.com/2024/10/22/ex-spacex-engineers-land-1...

+ Lead Software Engineer (Full Stack Enterprise) - https://grnh.se/l3zz0pzh3us

+ Senior Software Engineer (Factory Edge Services) - https://grnh.se/3qf4q3bd3us

+ Software Engineer (Factory Edge Services) - https://grnh.se/lm2n1a5h3us

Shorebird | Mid-Senior Web Full Stack | Remote (North America) | Full-time | $160-230k + equity + benefits | https://shorebird.dev

Flutter/Shorebird founder here. Flutter is used by millions of devs (and nearly ⅓ of free apps submitted to AppStore), but is missing services for businesses. We offer Flutter-related SAAS used by 1000s businesses globally, on track to profitability early 2026. Need your help to improve/own our front-ends all written in React.

We’re a small, senior team, making something people want. Tech: GCP, Cloudflare, React, Dart. Shorebird operates almost entirely in the public over Discord. https://discord.gg/shorebird

https://shorebird.dev/jobs

Intercom | Dublin, London, Berlin (new office), San Francisco, Chicago, Sydney | Hiring across Engineering, AI/ML, Product, Design, Sales, Support & more

I’m on the team at Intercom (makers of the Fin AI customer-service agent). We’re growing fast and hiring across many roles, ESPECIALLY in AI (ML scientists/engineers, AI product engineers, data science). We’ve also just moved into our new Berlin office and we’re expanding R&D in Dublin alongside our other hubs.

• What we do: AI-first customer service—Fin AI agent + an AI-enhanced Helpdesk

• Why join: big AI mandate, real customers at scale, and autonomy/ownership

• Locations: Dublin, London, Berlin, SF, Chicago, Sydney

• View roles and apply: https://grnh.se/evk90ley1us

Learn more at https://fin.ai/

FunnelStory | Principal Architect (Go / Golang) | REMOTE (India) | Bengaluru | Full-Time | 55-85 LPA | https://funnelstory.ai

I'm Preetam, co-founder and chief architect of FunnelStory. We're looking for exceptional back-end engineers to build and scale our AI SaaS product.

FunnelStory is an AI-first customer superintelligence platform. We're a small (<20 people), fast-growing, VC-backed, early-stage startup, and we're gaining traction with enterprise customers. We're looking for architects/engineers to join our team that's building next-generation AI platforms using Go.

This is a great fit if you have:

* Deep expertise in Go.

* A strong architectural background, with experience designing and scaling complex systems.

* Expertise with relational databases (PostgreSQL) and SQL

* Excitement about taking a high-impact, independent role in an early-stage environment, helping to mentor and uplift the team.

Who we're looking for:

* 8+ years experience in Go, SQL, AWS

* Bias to action, ability to execute independently

* Strong architectural and independent problem-solving skills

* Ability to communicate complex ideas simply

More details + apply: https://wellfound.com/l/2AN2TD

Interested? Email me at preetam @ funnelstory.ai with "HN" in the subject.

Two Dots | https://twodots.net | Engineers, AEs, CSMs | Onsite in SF | Full-time

Fully automated agentic consumer finance chat bot / betting on consumer ability to repay / catching criminals at scale with forensics

Full Stack - GCP / BigQuery / Postgres / Node.js (Prisma/GraphQL) / React

ML - Torch

https://jobs.ashbyhq.com/two-dots

EQTY Lab | Software Engineers (Fullstack / AI ), or DevRel | SF, LA (looking for local, but wfh if cool) | Full Time | https://www.eqtylab.io/

We are hiring software engineer(s) to help innovate on applied agentic applications and governance/alignment at runtime.

Specifically, you will help us release and further enhance https://github.com/eqtylab/cupcake - a solution derived from our Claude Code feature request for hooks. We believe hooking into the agent harnesses will be critical for scaled adoption; ambitions for purely LLM-driven trusted behavior exist today- but we must empower those responsible for run-time with deterministic guarantees. We do so by hooking into the harnesses - Claude Code, and now supported by Cursor, soon Gemini CLI. Beyond coding agents, we look to apply this to web harness agents, whether it's LangChain, Google ADK, etc.

We are looking for an engineer, or devrel equiv, that can:

  - help develop across the full stack from an integration perspective (build the supporting bindings and SDK abstractions for web-based frameworks)

  - create quality demonstrations/tutorials/advocacy

  - continue to advance on the forefront of agentic security as well as better performance for agents.

ramos at eqtylab.io

Uncountable | NY, SF, London & Munich (In-Person) | Full-Stack Engineering

https://www.uncountable.com/hiring/hn

Uncountable accelerates R&D for industrial scientists across leading materials, chemicals, and life sciences organizations. With our SaaS solution, our customers get better products to the market in half the time. Uncountable was founded by MIT and Stanford engineers and has been profitable since 2016. Our team has grown from 50 to 100 over the last two years.

Full-Stack Engineers | $120k - $220k + Equity

---> Uncountable is looking for engineers who can spearhead the development of the Uncountable Web Platform. The position is heavily product-driven and comes with challenges across the stack.

--> Summer internships and working student positions are also available.

Learn more: https://www.uncountable.com/hiring/hn

Uncountable is hiring in New York City, San Francisco, London, and Munich.

Contact our CTO directly at [email protected]

Gladly | Remote (US, Colombia, Argentina) | Staff Software Engineer, AI & Automation | $60k–$215k + Equity | https://www.gladly.ai/careers

Gladly is at the forefront of building retail customer service AI. Our AI is live in production with customer-centric brands like Crate & Barrel, Ulta Beauty, and Allbirds. We have the ingredients that make AI work: rich data, close customer partnerships, and a strong engineering culture.

We're hiring Senior & Staff Software Engineers to lead major AI & Automation initiatives. This is a high-impact, hands-on role for someone who wants to ship fast, collaborate deeply, and build systems that help real people.

You should have:

- 5-10+ years of full-stack experience (Go, TypeScript, React, Postgres a plus)

- Experience with generative AI, multi-agent systems, RAG pipelines (can be personal projects / side projects)

- A bias toward impact and product thinking

- Excellent collaboration and communication skills

Bonus: Entrepreneurial or other leadership experience.

We're a remote-first company with competitive pay, meaningful equity, and a focus on doing real work with great people.

Learn more + apply: https://www.gladly.ai/careers

Or reach out directly: [email protected]

University of Toronto | Postdoc: Synthetic + Molecular Biology on Microplastics | ONSITE Toronto, ON

We’re engineering enzymes to degrade microplastics using AI + high-throughput molecular biology. Join the Laboratory for RNA-Based Lifeforms (https://RNAlab.ca | PI: Artem Babaian) on one of the largest projects in bioinformatics today. Building on Serratus (10× RNA virus discovery, Nature 2022), we’re now developing Logan to mine planetary-scale genomics datasets to evolve and test novel plastic-degrading enzymes.

Looking for: * PhD in Molecular/Synthetic Biology, Biochemistry, or Genetics

* Strong skills in yeast/bacterial systems, enzyme assays, or metabolic engineering

* Interest in automation, robotics, and collaboration with AI and Computational Biology scientists

Full-time postdoc in Toronto, Canada. Start date: flexible/immediate.

Apply Today: https://jobrxiv.org/job/university-of-toronto-27778-syntheti...

----- Relevant Links:

* Serratus paper (https://www.nature.com/articles/s41586-021-04332-2)

* Logan preprint (https://www.biorxiv.org/content/10.1101/2024.07.30.605881v2)

* Entering The Platinum Age of Computational Discovery. Vision. (10m; https://www.youtube.com/watch?v=mPUM-adhXd8&t=5875s)

Let’s build the biology together to clean Our Planet.

Freed | Software Engineers (Fullstack / AI / SRE / iOS / ML), Product Design, Product Manager | ONSITE SF | https://getfreed.ai | Full-time Doctors are overworked, burnt out, and are quitting in masses.

I'm head of engineering at Freed, where we combine clinician love with the latest AI tech and intense execution to create products that make clinicians happier.

Our first product is an AI scribe that automates medical documentation.

- Acquired 20,000 paying and loving clinicians, >$20M ARR in under two years

- Generate 70,000 patient notes daily using ASR and LLMs, and have saved clinicians 2.7 million hours

- Created a consumer-grade UX, with greater enthusiasm than any product I've seen (https://love.getfreed.ai/b2xGQ1)

- Raised $30M led by Sequoia Capital, and are rapidly expanding our product offering

- Build at the forefront of AI (e.g. https://www.getfreed.ai/ehr-push, an AI agent for integrating with EHRs)

Our engineering culture emphasizes speed, end-to-end ownership, responsibility, and independence. Our tech stack is React and TypeScript / Node.js.

Apply here: https://www.getfreed.ai/careers?utm_source=AOxjbOpE3X

P-1 AI | Super SWE; Forward Deployed Engineer | SF or REMOTE (US/Canada) | https://p-1.ai

P-1 is building an engineering AGI for the physical world. Our first product is Archie—an AI engineer capable of quantitative and spatial reasoning over physical product domains at the level of an entry-level design engineer. We aim to put an Archie on every engineering team at every industrial company on earth. $23M seed led by Radical Ventures.

Super SWE - Full-stack generalist heavyweight. You've done something remarkable, go 0→1 before breakfast, and have built exceptional UIs. Architecture, front-end, back-end, infrastructure—the full gamut. High talent bar, mission-driven team. Remote (US/Canada) or SF-based; remote folks spend 1 week/6 in SF office.

Forward Deployed Engineer - Own customer deployments end-to-end. Build production AI solutions, integrate Archie into customer workflows, fine-tune models with customer data. Python + production AI experience required. Bonus: physical engineering background (aerospace, mechanical, etc.) or experience with safety-critical systems.

Apply:

- FDE: https://jobs.ashbyhq.com/P-1%20AI/75c853db-4a8d-4f23-b28f-05...

- Super SWE: https://jobs.ashbyhq.com/P-1%20AI/76354382-b1af-4aa1-a78d-6c...

MONUMENTAL | https://www.monumental.co/ | Amsterdam, The Netherlands | Full Time | Onsite

We make robots that autonomously construct buildings. We are currently developing and manufacturing our autonomous bricklaying system in the beautiful centre of Amsterdam. And our robots are already earning real revenue operating on construction sites all over the Netherlands.

We're looking for experienced FULL-STACK ENGINEERS who can help us solve problems like:

- Data sync and analytics queries across a fleet of robots (that can be offline for hours at a time)

- Rapid deployment and iteration of experimental software changes across firmware, control software and UI

- Modelling buildings in code and finding the right UI for operators to edit them

Check out the progress we've already made on Atrium, our operating system for robotics: https://www.monumental.co/atrium

We're rapidly scaling up operations and we need experienced, generalist engineers who can build the systems that manage all of that complexity. If you think that 'full-stack' could reasonably mean debugging firmware, mixing buckets of mortar _and_ writing React components, we are looking for you. Robotics experience not required!

https://www.monumental.co/jobs

Puma.tech | Remote-first with PST overlap | iOS/MacOS, Android, Ai/ML, Growth | https://puma.tech

Hi all, I’m Yuriy, founder of Puma.tech. Previously worked as software engineer & developer advocate at Cloudant (YC S08, Acq. by IBM), Meteor (YC S11), Parse (YC S11, Facebook/Meta), and explored AI/ML (computer vision for self-driving cars).

We have two products:

1. Puma iOS & Android – browser with built in LLMs & Wallets. Private by design.

2. Puma AI app for Mac – ChatGPT/Atlas, but with ability to pick different model providers and fall-back to local-first ones for data privacy.

Would love your help building and growing both.

We value Optimism, Kindness, Curiosity, Speed and Grit.

Open Roles: Eng (iOS/MacOS, Android, Ai/ML, Browser Extensions), Based Social Media Intern; Internships: Eng, Design, Growth

We’ve raised a few rounds from some of the best builders in crypto and ai:

Protocol Labs (YC S14), Chris Larsen (Ripple), Anatoly Yakovenko (Solana), Illia Polosukhin (NEAR Protocol), Sridhar Ramaswamy (Snowflake CEO, Neeva, Greylock), Jason Warner (poolside.ai, ex-GitHub CTO), Don Ho (Orange DAO, Quantstamp W18), Evil Rabbit (Vercel), John Phamous (SF Compute) and other amazing builders.

How to Apply: email careers+hn [at] puma.tech with your GitHub, a note on what you're most proud of building and what you'd like to build next.

Thank you!

FetLife | Senior DevOps Engineer | Full-Time | Remote | 115k - 180k USD - https://fetlife.com/jobs/devops-engineer

Role: Develop and implement infrastructure upgrades, database tuning, Kubernetes and Helm orchestration, monitoring, and security. Help maintain and improve our large-scale Rails monolith, including CI/CD. Participate in on-call rotation and help automate daily DevOps tasks.

Stack: MySQL/PostgreSQL, ScyllaDB, Redis, ElasticSearch, Terraform, Google Cloud, DataDog and more.

Applications: Rails, Vue.js/Typescript, Rust

Perks: Paid time off (2 weeks vacation, 5 statutory holidays, 2 weeks at Christmas, 4-day summer workweeks), annual company retreat, anniversary gift ($200/year), monthly music subscription reimbursement, fully paid maternity & paternity leave.

How to apply: Email [email protected] with a brief introduction, 2–3 favorite projects, GitHub/GitLab link, and LinkedIn profile or resume (PDF).

---

ALSO LOOKING FOR

Senior Product Designer | $105k - $180k USD | Design + code in HTML & CSS (Tailwind) - https://fetlife.com/jobs/product-designer

Product Manager (Events) | $65k - $145k USD - https://fetlife.com/jobs/product-manager

Cloudflare | Rust/DB engineers | SF/AUS/SEA/NYC/LON/LIS (Hybrid) | Full-time

Hey HN, I'm hiring engineers for the new Cloudflare Data Platform (https://blog.cloudflare.com/cloudflare-data-platform). We do streaming ingest and processing, managed Iceberg catalogs, and a distributed query engine—all built on R2 and the Cloudflare Edge. We're making it ridiculously easy for Cloudflare customers to build data lakes.

I'm looking for Rust engineers with experience or interest in databases, stream processing engines, and query engines. You'll get to work on incredibly cool tech on a huge scale.

Note: we are hiring for hybrid in one of our engineering hubs (SF/AUS/SEA/NYC/LON/LIS).

If you're interested, shoot me an email (in profile) with subject HN and a brief description of your background.

Guideline Guru | Senior Software Engineer | Remote (US Eastern Time ± 2 hrs) | Full-time

Our AI assistant for mortgage underwriting guidelines helps lenders get faster answers, reduce mistakes, and close more loans.

We're profitable, bootstrapped, and small — building software that makes life easier for our lender partners.

Looking for a senior full-stack engineer (Python/Django/Postgres, some frontend) with a track record of impact at product-focused startups. Someone who owns projects end-to-end, ships quickly, and balances pragmatism with quality.

Strong communication, curiosity, and humility matter most. You'll work directly with the founders to shape our architecture, extend our platform, and influence technical direction as we scale.

We move fast, build thoughtfully, and keep a sustainable 40-hour pace.

Apply here: https://wellfound.com/jobs/3537806-senior-software-engineer-...

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

StorPool | Senior Software Engineer - Storage Core (C/Linux) | Remote (UTC-1 to UTC+5) | Full-time | Multiple roles

StorPool is building the future of data storage. Our software runs at the heart of modern clouds, delivering <100µs latency, 113M+ IOPS per cluster, and 99.999% availability. We're profitable, self-funded, and our customers love us (NPS off the charts).

We're looking for a Senior Software Engineer to join our Core Storage team. You'll tackle genuinely hard problems: writing custom Linux drivers, optimizing lock-free data structures at nanosecond scale, building fault-tolerant distributed algorithms, and debugging issues that go all the way down to kernel internals. This isn't CRUD work - it's systems programming at its most challenging.

Competitive salary, fully remote, meaningful time off, and a yearly education budget to keep learning.

If you get excited about shaving microseconds off I/O paths and building infrastructure that simply doesn't break, we should talk.

Apply here: https://storpool.com/force/senior-software-engineer-storage-...

MaFi Games | Senior SWE/Game dev | Contract preferred | Remote | C#

Hi, I’m the co-founder of MaFi Games – an indie studio behind the game Captain of Industry. We are a small but passionate team who gave up their jobs at Google and Nvidia to pursue building the best factory simulation game possible, and we need more hands!

We are looking for an experienced software engineer to grow the team and accelerate our progress. We strongly prefer candidates with a background in game development, experience with 3D graphics, and performance optimizations.

Some reasons you’d enjoy working with us:

* A multicultural, collaborative, and innovative work environment where your voice is heard.

* Fully remote job with flexible working hours and vacation schedule.

* Long-term full-time collaboration (not a fixed-term contract).

* High quality C# code base, code reviews, tests.

* High work satisfaction, work on a popular video game with a wonderful community.

* No bureaucracy, 1 regular meeting per week.

As an example of our technical work see https://www.captain-of-industry.com/post/cd-31. We also have a unique signal-free train system: https://www.captain-of-industry.com/post/cd-46

If interested, please see the detailed info,requirements, and application instructions at https://www.captain-of-industry.com/jobs, thanks!

Note: We are also looking for a 2D game UI/UX designer and a SFX artist.

Splash Tech| Backend Mid-Senior/Senior | Remote( +-2 EU CET) | Full Time | https://splash.tech/

We’re a small UK-based free-to-play gaming company with a distributed EU team, growing fast after recent success and scaling our backend platform. We’re looking for two roles, from mid-senior to senior engineer with at least 5+ years of experience.

Backend: Strong in backend development, ideally Java, but open to those willing to learn. DevOps experience is a plus, or a strong desire to build it.You’ll be expected to do devops as part of this role.

Fullstack: FE and APIs, you’ll also be asked to write SQL and some Java Controllers that access data. It’s ok if you don’t know Java, but our controllers are written in Java and you’ll need willingness to learn.

Our stack includes Java, Python, TypeScript, Angular, SQL, AWS, Kubernetes, Postgres, Trino, Flux, Flagger, and Terraform.

Our engineers must be able to think product-first, and take a task from idea to production, work across the full cycle. You must write your own code, AI assistance is fine, but you must be able to produce all your work independently.

We are looking for candidates that can write SQL, our approach when it comes to the DB is SQL first. We also value clear thinking and communication, you should be comfortable sketching simple architecture or flow diagrams (boxes and lines, nothing formal) to explain your ideas.

To apply, please send an email to jack[at]splash.tech with the subject “Backend Hackernews 2025” or “Fullstack Hackernews 2025”.

Please send any git/bitbucket/source-forge project that represents your coding otherwise I’ll ask you to complete a small test project.

Ascento | Zurich, Switzerland | Full Stack | https://www.ascento.ai

Ascento develops autonomous security robots that patrol outdoor areas to detect and report. All in support of security guards. We stay away from conflict, just robots driving circles around buildings in remote boring places. The technical challenges however, are far from boring.

We are looking for a full stack engineer to join as a core member of the off-robot software team. This is the software that plans, configures, operates and creates insights from data collected from the robots. You would work across the whole cloud-stack, consisting of Frontend (React), Backend (Typescript / Go), Infra (Terraform / AWS / GCP).

The cloud software team is still small, meaning you get a chance to help set priorities, guide long-term architectural direction and figure out how to best help our users. We celebrate pragmatism, we work hard to make simple systems and we help each other to hyperfocus.

Sounds like the place for you? Drop an email to [email protected]. I'm curious to read what about this ad caught your interest.

9 Mothers Defense | Robotics / Data Scientist | Austin TX | Full-time | ONSITE

We're building AI-driven turrets that stop hostile drones - where robotics needs F1-level speed.

We're looking for smart, T-shaped teammates: people who are experts in one area but happy to jump in wherever needed. Our software team is small, so every member makes a real impact.

If you want to write motor control in Zig, optimize camera processing with custom CUDA kernels on Jetson, or rework a transformer-based tracker to handle small objects - you can do that here, and much more.

US persons only

Send your CV, GitHub (or any publicly visible project), and a short note to [email protected]

In addition to the links above, https://nthesis.ai/public/hn-who-is-hiring pulls the latest data, formats it in markdown, and lets you search, chat, and visualize aspects of the postings (business, role, etc.). Hope you find it useful.

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.

Stellar Science | Hybrid (USA) Albuquerque NM, Washington DC (Tysons VA), Dayton OH | Full time, interns/co-ops | U.S. citizenship required | https://www.stellarscience.com

Company: We're a small scientific software development company that develops custom scientific and engineering analysis applications in domains including: space situational awareness (monitoring the locations, health and status of on-orbit satellites), image simulation, high power microwave systems, modeling and simulation, laser systems modeling, AI/ML including physics-informed neural networks (PINN), human body thermoregulation, computer vision and image processing, high performance computing (HPC), computer aided design (CAD), and more. All exciting applications and no CRUD. We emphasize high quality code and lightweight processes that free software engineers to be productive.

Experience: Other than interns, we currently require a Bachelors degree in physics, engineering, math, computer science, or a related field, plus preferably 3+ years of work experience, or a Masters or PhD in lieu of work experience. (Roughly 25% of our staff have PhDs.)

Technologies: Mostly C++23, Qt 6.9, CMake, git, OpenGL, CUDA, Boost, Jenkins. Windows and Linux, msvc/gcc/clang/clangcl. AI/ML and analysis projects use Python and C++. Some projects use Java or Typescript/React.

Apply online at https://www.stellarscience.com/careers/.

JetKVM | Senior Fullstack Engineer | Remote (CET ±3) | Full-Time | Go / TypeScript / WebRTC | Open Source

JetKVM builds open-source KVM-over-IP hardware that lets you control any computer — BIOS and all — through your browser. After raising $6M on Kickstarter (the #3 most-backed tech project ever), we’re scaling production and software for tens of thousands of users.

We’re looking for a Senior Fullstack Engineer to work across our stack — Go, Node.js, React, and WebRTC — from backend APIs to low-level firmware integrations. You’ll shape architecture, improve video streaming and authentication, and ship features end-to-end in a small, fast-moving team. Open-source, async, and remote(CET+/-3).

Apply → https://jetkvm.com/careers

Phrasing.app | Co-founder | EUROPE REMOTE

Phrasing is a bootstrapped company dedicated to building the most effective and efficient way to learn a language.

I’m a polyglot myself and have always struggled for a few main reasons:

1. Apps only ever focus on taking you from 0-1, never from 1-100.

2. If you have any experience in the language, it’s really hard to pick it up after a few years.

3. Language learning apps are always ugly, clunky, ugly, and just stressful to use. And ugly.

4. No apps support maintaining and learning multiple languages simultaneously

5. Apps only ever support the major languages, leaving minority languages in the dust

So, I set off to build my dream language learning application, and a quick 2 years and 10,000 hours later I’d built Phrasing.

It’s launched, it’s live, it has (happy) paying daily users, and I myself am using it to learn 18 languages. The product is ready to go, and the business is already growing organically.

I’m looking for someone cracked to come in in a co-founding capacity and eventually take over the backend (elixir) codebase from me.

No experience is required so long as you’re passionate, talented, and hungry.

If you’re interested, and located in Europe, send me an email at [email protected].

RepSpark | Engineering & Product | REMOTE (US) | Full-Time | https://www.repspark.com

RepSpark is the top SaaS B2B wholesale e-commerce platform for brands in apparel, footwear, and accessories. For example, we're how golf courses across North America and Europe purchase brands like Titleist, Peter Millar, Kjus, etc.

Stack: C#/.NET (Rider on macOS), GraphQL, React, TypeScript, PostgreSQL, AWS (CDK), GitHub Actions.

We're actively hiring:

* Senior Product Engineer (Full-Stack): Own outcomes across React/TS + C#/.NET + Postgres; help modernize legacy .NET Framework to .NET 8; build/scale ERP ETL & integrations. https://www.repspark.com/senior-product-engineer-full-stack

* Product Manager - Integrations: Own the integrations roadmap; prioritize ERP connectors (NetSuite, SAP, etc.); partner closely with engineering. https://www.repspark.com/product-manager

Email [email protected] with your resume/links (GitHub, portfolio).

Loop | loop.com | Engineering | On-site San Francisco, CA, Chicago, IL

Loop is on a mission to unlock profits trapped in the supply chain (https://www.loop.com/article/unlock-profit-trapped-in-your-s...) and lower costs for consumers. Bad data and inefficient workflows create friction that limits working capital and raises costs for every supply chain stakeholder.

Loop’s modern transportation cost management platform uses our domain-driven AI to harness the complexity of supply chain data and documentation. We improve transportation spend visibility so companies can control their costs and power profit. That is why industry leaders like Nvidia, Verizon, Dell, J.P. Morgan Chase, ABB, Estee Lauder, Tyson Foods, Yeti and Olipop, work with Loop.

1. Raised $100m+ from JPM GEP, Founders Fund, 8VC, Susa Ventures, Flexport, Index.

2. 350+ paying enterprise customers with multiple-year contracts.

3. High-caliber team of engineers and operators from Google, Scale AI, Flexport, Uber, Rakuten, Square, Meta, Stanford, Brown, Princeton, and Yale.

Fullstack Engineer San Francisco - https://job-boards.greenhouse.io/loop/jobs/4102236004

AI Engineer San Francisco - https://job-boards.greenhouse.io/loop/jobs/5391540004

Other roles at https://www.loop.com/company/careers

Vibe Kanban (YC S21) | Rust + TypeScript | Open Source | London, UK (onsite) | Full-time | £80–120k + 0.5%

We're building the platform for engineers who spend most of their time planning and reviewing code written by AI. We’re hiring for two senior roles:

Frontend (TypeScript, React): https://jobs.polymer.co/vibe-kanban/36855?source=hn

Backend (Rust): https://jobs.polymer.co/vibe-kanban/36873?source=hn

The project is open source — check it out here: https://github.com/BloopAI/vibe-kanban

Joby | Bay Area | Full-Time

Imagine a piloted air taxi that takes off vertically, then quietly carries you and your fellow passengers over the congested city streets below, enabling you to spend more time with the people and places that matter most.

We are looking for an experienced and motivated Mobile/Full stack Senior Software to join our Air Taxi Systems team.

Most of our apps are built with SwiftUI, TCA, and GraphQL. Our backend is a mix of Java, Rust, and Swift using Federated GraphQL.

https://careers-jobyaviation.icims.com/jobs/4324/senior-soft...

We are also hiring a variety of engineers, technicians, and corporate roles: https://www.jobyaviation.com/careers/

Sanity, New Venture | Senior Data Engineer/Applied Data Scientist/Senior Full Stack Engineer | SF Bay Area hybrid (2 days/week in the office) | Full Time

https://www.sanity.io/careers/senior-applied-scientist-ai-ml...

https://www.sanity.io/careers/senior-data-engineer-new-ventu...

https://www.sanity.io/careers/senior-full-stack-engineer-new...

We’re helping companies make their web content more accurate, current and understandable for AI assistants so customers/consumers can make better decisions.

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

Stainless | Engineers, EMs, GTM, Former Founders | NYC & SF (onsite) | Full-time

When you npm install openai or pip install anthropic, you’re pulling code generated by Stainless.

We’re building the platform for high-quality, easy-to-use APIs — and companies like OpenAI, Anthropic, and Cloudflare already rely on us.

We’re ~3 years old, ~50 people, with strong revenue, several years of runway, and backing from Sequoia and a16z.

As one of our first 35 engineers, you’ll have real ownership, autonomy to build great products, and a direct hand in shaping the future of how developers consume APIs.

We’re looking for exceptionally productive, thoughtful, and kind people who want to make software development better for everyone.

Learn more & apply → https://stainless.com/jobs?utm_source=YlRQ8pvARO

Lantern | NYC only, hybrid 4 days a week in office | Senior Software Engineer (mid career - Staff)

Lantern is Series A company, building the future of sales automation with AI agents that actually work. We're replacing the messy patchwork of enrichment tools, intent platforms, and automation software with a single system that does it all—pulling from 150+ data sources to research prospects, verify contacts, and help close deals.

We're a small, focused team tackling hard problems at the intersection of AI and enterprise data. You'll be working directly on the core product, helping us build intelligent systems that can reason about complex sales workflows and make autonomous decisions.

On any given day, you might:

- Build reliable agentic workflows that orchestrate multi-step research and outreach processes

- Design data pipelines that synthesize insights from hundreds of disparate sources into actionable intelligence

- Architect systems that scale gracefully as we handle increasingly complex prospect analysis and verification

- Collaborate directly with early customers to understand how our AI agents can solve their hardest go-to-market challenges

Tools we use:

- Python, LangGraph, BAML, Temporal.io, ClickHouse, Postgres, dlt - TypeScript, React - AWS, Modal.com, K8s, ArgoCD, GitHub Actions

This is a chance to work on genuinely novel problems in AI—not just fine-tuning LLMs, but building autonomous agents that can navigate messy real-world data and make smart decisions. If you're excited about pushing the boundaries of what AI agents can do in production, we'd love to talk.

apply using form, just answer a few questions

https://forms.gle/j7gDnVDHSEkmaLBQ6

Clerq | Staff Engineer | Onsite 3 days (New York City) | https://clerq.io

Clerq is a NYC based fintech startup building a next generation platform payments platform that delivers a seamless checkout experience for high-ticket transactions. By leveraging modern bank rails, the platform offers the conversion and UX benefits of cards with risk and money movement infrastructure purpose-built for large purchases. Clerq replaces outdated manual payment methods like cash, checks and wires and expensive card surcharges with a smooth, integrated solution that helps merchants convert more customers without sacrificing margins.

We have started with the $1T+ U.S. auto vertical, where our platform is growing rapidly and already powering payments for several of the most recognized brands in the industry including multiple Fortune 500 companies. With proven traction, the company has expanded into high-growth adjacencies including high-ticket e-commerce, private travel and powersports.

We recently announced our series A so are looking for a Staff software engineer. Who is excited to scale out the future of bank payments. Currently we are primarily looking for backend engineers to focus on our core payments engine.

Stack: Python/Django, React, Nodejs, AWS Comp: $225k-260k + Equity

Email me at [email protected] if you are interested in hearing more!

Company: XSELL Technologies Location: HYBRID — Chicago, IL (3 days onsite) Roles: Senior Software Engineer & Senior Machine Learning Engineer

About Us (we’re the hiring company): XSELL Technologies is building an Agentic Voice platform for healthcare—blending ASR/TTS, LLMs, and deterministic orchestration to power human-like conversations at scale.

Senior Software Engineer

Focus: Scalable backend systems, APIs, distributed services, cloud (AWS/GCP/Azure), CI/CD, observability. You’ll: Design and ship high-performance services, own architecture decisions, and collaborate closely with Product/AI. You have: ~5+ years in software engineering (Python/Java/Go/Node), cloud infra, strong fundamentals in systems & APIs.

Senior Machine Learning Engineer

Focus: NLP/speech models, real-time inference, production ML (PyTorch/TensorFlow), monitoring & optimization. You’ll: Build, deploy, and iterate on ML models for conversational understanding and speech intelligence. You have: ~4+ years in ML/NLP, production deployments, strong Python, cross-functional collaboration chops.

Why XSELL:

Hybrid rhythm: 3 days onsite in Chicago, IL (collaboration, whiteboarding, team time)

Fast-paced, mission-driven team with clear ownership

Competitive comp and benefits

How to Apply (we’re actively hiring and will respond): Email your resume to [email protected] with the subject “[Role] – Your Name.”

Holepuch|Remote, Worldwide|Senior Node.js Software Engineer

At Holepunch, we are redefining the internet’s architecture. Our open-source P2P platform, Pear, enables developers to deploy applications directly from their machine to users, creating scalable, decentralized applications without traditional server infrastructure.

We are seeking Node.js Software Engineers to join our 100% remote, globally distributed team. You’ll work on our P2P stack, which includes over 1500 public npm modules, and help expand our ecosystem.

Why Holepunch?

- Work on groundbreaking technology that prioritizes user autonomy and privacy.

- Collaborate with a team of thinkers and innovators dedicated to reshaping the digital landscape.

- Contribute to a future where technology serves humanity, not the other way around.

Apply now to join our mission:

https://holepunch.recruitee.com/o/p2p-nodejs-engineer?source...

https://holepunch.recruitee.com/o/senior-node-engineer?sourc...