Runway | Multiple Engineering & Research roles | Remote (global) | Full-time

Runway is building AI to simulate the world — merging art and science. We're a team of researchers, engineers, artists, and designers shipping the models and infrastructure behind a new generation of creative tools.

We're hiring across a lot of teams right now (engineering, research, product, design — see the full list below), but a few we'd especially love to talk to you about:

  - Engineering Manager, API — https://jobs.ashbyhq.com/runway-ml/b5d136bb-4143-400b-914a-0ae7377ad8ed
  - MTS, Backend Engineer, API — https://jobs.ashbyhq.com/runway-ml/8489a08a-f0cf-4418-968c-c7c803d538bc
  - MTS, Research Engineer — https://jobs.ashbyhq.com/runway-ml/98e4b160-3bbe-4acd-b106-ad75ccc49675

Remote-friendly globally, with offices in NYC, SF, Seattle, London, Tel Aviv, and Tokyo. Full benefits (100% medical/dental/vision for US employees, unlimited PTO, parental leave, learning stipend).

Full list of open roles: https://runwayml.com/careers

Frisson Labs | Founding ML Engineer - General, Founding ML Engineer - Audio/Speech | San Francisco, CA ONSITE | Full-time | https://www.frisson-labs.com

Frisson Labs is building AI players that play like Discord friends. The hard part is making them respond with low latency, persistent personality, voice timing, and actual game competence: understanding what is happening, deciding what to do, and executing in real time.

Open roles:

- Founding ML Engineer - General: own the full stack for how AI companions play games: game-state understanding, learned policies/controllers, world models, action representation, MLP/policy heads, memory, evals, data pipelines, inference, and product iteration. Strong fit if you have shipped applied ML systems and want to own messy model behavior all the way from research prototype to live gameplay. - Founding ML Engineer - Audio/Speech: explore and ship low-latency speech systems for real-time play: duplex/streaming voice models, speech understanding, turn-taking, interruption handling, latency/quality tradeoffs, prosody/emotion, and conversational evals. Strong fit if you have deep audio/speech ML experience and care about making voice feel socially present during gameplay.

Comp: - ML Engineer roles: $150K-$200K + 1.0-2.0% equity

Apply: email founders@frisson-labs.com with the role in the subject, plus your resume/GitHub/research/portfolio and a short note on why AI companions + gaming interests you.

DataSF (City & County of San Francisco) | Senior Data Engineer | Hybrid (in San Francisco) | Full-time | $156k-$196k

DataSF is looking for a Senior Data Engineer to help us build out the city's central Snowflake platform, which will ultimately power the majority of SF's analytics, open data, and ML efforts. This role is a mix of data infrastructure (CI/CD, terraform), building pipelines (ADF, dbt, Python), and platform eng and admin (Snowflake). See the position description for more info.

We're looking for folks with:

- Strong SQL and Python skills

- Deep data modeling experience

- Data infrastructure and devops experience (terraform, Actions)

- dbt and Snowflake experience are a big plus

- Know their way around a terminal

Apply here: https://careers.sf.gov/role/?id=3743990013401756

Neo.Tax | Senior Full-Stack Engineer & Senior Data Scientist/ML Engineer | REMOTE (US, Pacific hours) | Full-time | $190K–$210K + equity Neo.Tax automates R&D tax credits and software cost capitalization for enterprises. We ingest data from project management, payroll, identity, and financial systems and use ML/LLMs to turn a process that used to take months into one that takes hours. Small team, real revenue, lots of hard problems in data extraction and pipelines at scale. Currently serving customers like Mercury, Brex, Notion, Adobe, and Capital One.

We're hiring two senior roles:

1) Senior Full-Stack Software Engineer (7+ yrs) TypeScript/Node + React on the front of the house; data ingestion pipelines processing millions of records and flexible schemas across wildly different company types on the back. You'll own projects end-to-end, scope with cross-functional partners, and ship both customer-facing and internal tooling. Bonus: GraphQL, GCP/AWS/Azure, Terraform/DevOps.

2) Senior Data Scientist + ML Engineer (6+ yrs) Own ML/AI problems from definition through production: classification, information extraction, entity resolution, ranking, anomaly detection, plus LLM systems (prompts, retrieval, tool-calling, eval). Python (NumPy/Pandas/sklearn/PyTorch), strong SQL, and real production deployment experience. Bonus: synthetic data, RAG, experience fine-tuning LLMs.

Both are senior, high-autonomy roles--you should be comfortable breaking ambiguous requirements into iterative deliverables and reading unfamiliar code. Not a fit if you want heavy mentorship or detailed specs handed to you.

Apply: https://jobs.ashbyhq.com/neo-tax/

ML6 | Machine Learning Engineer, Data Engineer | Python, TensorFlow, PyTorch, GCP, AWS, Azure | Full-time | Amsterdam, Berlin, Munich, Eindhoven, Ghent (EU) On-site/hybrid

We are a Machine Learning consulting company that builds end-to-end Machine Learning solutions. By applying the latest AI research, we keep our clients at the forefront of innovation. If you are interested check out: https://www.ml6.eu/knowledge-hub/blog and https://www.ml6.eu/customers/cases

Work on innovative projects for the biggest clients across Europe such as Randstad, ASML, FUNKE, and many more! Whether it’s about leveraging LLMs to improve customer support, building data lakes on cloud platforms to improve storage or implementing models using sensor data for quality control. You can find it all at ML6. You will mostly work with Python and a range of ML frameworks such as TensorFlow, PyTorch, or HuggingFace Transformers to solve hard Machine Learning tasks and help bring these application into production by building data pipelines and cloud infrastructure on all of the major cloud providers (GCP, AWS, Azure).

Open roles include:

• Senior/medior AI Engineer

• Senior AI Project Manager

• Chief Product Owner

and many more!

Apply now at the https://jobs.ml6.eu/

Laminar Engineering | Full-Stack CV/ML Systems Engineer | Contract | REMOTE

Laminar Engineering builds real-time computer vision systems for airborne detection and tracking of drones, combining multispectral sensing and edge inference. We’re delivering this for a client, and we’re looking for a versatile engineer to join the R&D effort. This is a role for someone who thrives with autonomy when given a clear end state. More details to be shared with the right candidates.

The role spans the whole pipeline, from data to deployed system: CV/ML on NVIDIA edge devices (Jetson / TensorRT / DeepStream), real-time video processing and multi-object tracking, camera/gimbal control, dataset collection and curation, model training and evaluation, backend infrastructure and APIs, and operator-facing dashboards. You’d own deployed vision systems end to end, including diagnosing and fixing real-world failures in live video.

Strong fit: applied CV and perception, including tracking, real-time pipelines, and NVIDIA edge deployment, plus strong Python and comfort across the stack. Relevant experience: PyTorch, TensorRT/ONNX, DeepStream/GStreamer, embedded Linux, and frontend work for operator tooling.

Remote contract, flexible hours, some overlap with UTC-05 preferred.

Email hiring@laminr.co and mention HN.

Matcha | REMOTE (US / Canada / Europe / UK / LATAM) | Full-time | https://matcha.fm

Repeat founder building something new and putting together a founding team.

This high ownership, high equity, ideally for people with prior startup experience or previous founder / founding team:

AI Engineer (ML/data) - https://matcha.fm/apply/ai

Backend Engineer — https://matcha.fm/apply/be

Full-Stack / Frontend Engineer — https://matcha.fm/apply/fse

Design — https://matcha.fm/apply/design

Product — https://matcha.fm/apply/product

Growth / GTM / Marketing — https://matcha.fm/apply/marketing

Account executive / sales — https://matcha.fm/apply/sales

Customer Support - https://matcha.fm/apply/support

Riot IQ | Software Engineers, Product Designers, AI Native Fresh Grads | Seattle, WA | REMOTE (US) | Full time | https://riotiq.com

I'm Robert, cofounder of Riot IQ. We're building RIOT IQ, a professional online IQ testing and cognitive assessment platform for psychologists, researchers, clinicians, employers, institutions, and curious individuals.

We're US based and 100% remote. We are hiring software engineers, full stack engineers, product designers, design engineers, and AI native fresh grads.

The most interesting project is building an AI based human intelligence predictor using our in house assessment data. That means working with response patterns, timing data, item performance, scoring, validation, dashboards, model evaluation, privacy, and product UX.

You might work on a variety of things as well but all related to predicting human intelligence.

What matters most to us:

1. Strong product sense 2. Clear communication 3. High ownership 4. Taste in software, design, and user experience 5. Fast learning 6. Interest in AI, cognitive science, psychometrics, or research tools

Useful experience includes TypeScript, React, Next.js, Node, Postgres, Python, data pipelines, ML workflows, dashboards, edtech, healthcare, or research tools.

Compensation is $90k to $180k depending on role and experience, with equity for the right long term hires. Visa sponsorship is not available right now.

To apply, email robertneir@riotiq.com with your resume or LinkedIn, GitHub or portfolio, and a short note on what you would want to build at Riot IQ.

LinkedIn: https://www.linkedin.com/in/robertmneir

We are actively hiring and will reply to applicants.

Bucket Robotics (YC S24) | Senior Fullstack Engineer | San Francisco, CA (On-site)

Bucket Robotics turns CAD files into production-ready computer vision models that detect defects instantly with zero manual labeling and no multi-month pilots. We are automation-first, replacing slow legacy processes with instant AI inspection.

As an early full-stack hire, you will own a massive surface area. You’ll be responsible for building our customer-facing application, scaling our internal tooling, and designing the data pipelines that move CAD and vision data at scale.

This isn't just a "CRUD app" role. You’ll work closely with our core tech and have the opportunity to become a domain expert in radiometry, machine learning, and computer graphics.

What We’re Looking For Product-Minded Engineer: You care deeply about user experience and can independently take a feature from concept to production.

Systems Thinker: Comfortable moving up and down the stack, from sleek frontend UIs to heavy data pipelines.

Curious & Adaptive: You don’t need a background in graphics or ML, but you are excited to dive deep into the math and physics behind our core tech.

On-site: Joining our team in San Francisco.

If this sounds interesting, send me an email ben@bucket.bot

Trax | Analytics Engineer | REMOTE (Philippines, Costa Rica, US) | Full-time Contract

We're hiring an Analytics Engineer to help power our future. This is a really greenfield project where we need to define the data models that fuel all reporting, analytics, and ML/AI going forward. We do 'freight audit' - we save our clients money by making sure all their logistics spend is correct and as agreed.

At Trax, our data infrastructure is in the middle of a real transformation. We're building the data foundation that will power our next wave of AI features, and we need someone who can own that work end-to-end. This isn't a "run queries and make charts" role.

You'll be:

- Designing and maintaining data marts in dbt + Snowflake

- Building customer-facing dashboards that integrate into our platform

- Bridging the gap between engineering, business ops, and client teams

- Running ad-hoc analyses that drive real decisions

- Shaping how our data platform evolves alongside our AI/ML capabilities

What matters most to us:

- Deep data modeling knowledge (domain logic, not just syntax)

- Advanced SQL; dbt and Snowflake experience is a big bonus

- Strong communicator who translates between technical and non-technical worlds

- A learning mindset; genuinely non-negotiable for us

We're a small, close team. You won't disappear into a large org. You'll work directly with leadership, partner with Solutions and Sales, and have a real voice in how we build. If you thrive on ownership, are energized by complexity, and want to see the direct impact of your work, let's talk! My email and linkedIn are in my profile.

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. Prev. worked at Cloudant (YC S08), Meteor (YC S11), Parse (YC S11, Facebook/Meta), and explored AI/ML (computer vision for self-driving cars).

We have 2 products:

1. https://PumaBrowser.com: iOS & Android mobile browser with built in LLMs & wallets – private local alternative to ChatGPT. 1m+ downloads.

2. https://PumaAI.com: small research lab focused on privacy and reliability of AI based on our experience building Puma Browser.

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 ai and crypto:

Protocol Labs (YC S14), Chris Larsen (Ripple), Anatoly Yakovenko (Solana), Illia Polosukhin (NEAR Protocol), Sridhar Ramaswamy (Snowflake CEO), 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!

Prior Labs | Berlin / Freiburg / NYC | ONSITE | Full-time | Multiple Roles | priorlabs.ai

Deep learning transformed text and images but mostly skipped tables, even though they're behind most clinical trials, financial models, and scientific experiments. The reason is structural: no natural sequence, no spatial structure, no shared vocabulary across datasets, so the architectures and scaling laws behind LLMs don't transfer. We're building the foundation-model approach for tabular data. We started with TabPFN. v2 was published in Nature and set a new state of the art on tabular benchmarks; since release we've scaled capabilities ~20x and crossed 3M+ downloads and 6k+ GitHub stars. The hard problems are still open: scaling to millions of rows, low-latency inference, new data modalities, and the infrastructure to run all of it in production.

Open roles: - Senior ML Infrastructure Engineer - own multi-cluster GPU infra (Slurm on GCP today, multi-provider next), training performance, and the tooling layer. We spend tens of millions/year on compute; you own that budget. Train your own architecture if you've got one. - ML Engineer, Cloud Platform - design and scale the backend and infra that serve and finetune the models. Python/FastAPI, Terraform, K8s. - Full Stack Engineer, ML Platform - build the product end to end, data upload through inference. TS + Python, React/FastAPI/Postgres. - Research Scientist, Foundation Model - drive the model agenda: novel architectures, scaling 10K to 1M+ samples, multimodal and causal directions. PhD + top-venue publications or equivalent.

Also hiring: Applied Scientist, Forward Deployed ML Engineer, Developer Relations Engineer, AE, BDR.

30-person team with backgrounds from Google, G-Research, Jane Street, Goldman, CERN. Led by Frank Hutter, advised by Bernhard Schölkopf and Yann LeCun. Comp competitive with top AI labs.

All roles: https://priorlabs.ai/careers

Foxglove | Multiple eng + GTM roles | Onsite (San Francisco) + Remote (Europe)| Full Time | https://www.foxglove.dev/careers

We build developer infrastructure for Physical AI. Robotics and embodied-AI teams run their data flywheel on us: visualization, multimodal logging (MCAP), search and curation, observability, eval, and fleet management. Stack is Rust on the backend and data side, TypeScript with WebGL and WASM for visualization, Python for ML and eval.

Series B, ~80 people, backed by Bessemer, founded by Cruise and Coinbase alumni. AV or robotics experience is a plus, not a requirement.

Open roles (Senior/Staff):

- ML Engineer

- Product Manager, Data + ML

- FDE, Europe

- Design Engineer

- Account Executive (Defense and Aerospace)

All roles and apply: https://www.foxglove.dev/careers

Questions: email in profile (mention HN)

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.

- 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 tim@radar.com

Sumble | Multiple Roles | Remote (US)| Full-time

Sumble is the newco from the founders of Kaggle. We are hiring full stack engineers, ai/ml engineers and growth/marketing. Can view our roles and apply here: https://sumble-inc.workable.com/

We are building a knowledge graph from web data with a first focus on data for go-to-market teams.

We use web data to identify things like org structure, tech stack, and key projects (e.g., GenAI initiatives, cloud migrations). Our product already has strong product-market fit, early revenue, and happy customers — and now we’re ready to accelerate.

Our long-term vision is to become the world's best data vendor. Try the product at sumble.com.

We are a team of 25 with experience at companies such as Google, Meta, Stack Overflow, Rippling, Snowflake, Confluent and Kaggle.

We raised $38.5MM from Coatue, Canaan, Square Peg Capital https://techcrunch.com/2025/10/22/sumble-emerges-from-stealt...

BrightCore | Founding Engineer/Generalist | Dublin, Ireland (Hybrid, 2 days/wk) | Full-time | €58–65k + 1.0–1.5% equity

We're a 3-cofounder gym/fitness SaaS , closing a pre-seed. Hiring our first engineer to work on: - NestJS/Postgres backend (~70%) - Coral, our WhatsApp agent for member retention (~30%)

You'd be our first hire. Stack: NestJS, Prisma, Postgres, Next.js, Anthropic API, Meta WhatsApp Cloud API.

Looking for: 2-4 yrs backend, comfortable shipping solo, genuine curiosity about LLMs / retention modelling. ML hobbyist > ML PhD for this role.

Email: frankie@brightcore.ie ... short note: please state in the email that you are living in Ireland all other emails will be ignored + GitHub or one thing you've shipped.

Starbridge | Senior Engineers (Kotlin/Java/React/Typescript) | NYC or Remote | Full-time |

[starbridge.ai](https://www.google.com/url?q=http://starbridge.ai&sa=D&sourc...)

Starbridge is building an AI platform that turns large-scale public and enterprise data into reliable sales insights. We are early, moving fast, and building from zero to one, so this role will have huge ownership and product impact.

Product Engineer: (React/Typescript) who would work closely with product and design to build user-facing parts of the platform. You will craft performant, stable frontends that explain technical concepts to non-technical users and help us iterate fast based on customer feedback.

AI Engineer: Applied AI plus strong software engineering. You will build, evaluate, and deploy LLM-driven features like deep document analysis and interactive chat, working with models from OpenAI, Anthropic, and Gemini. Expect hands-on Python, ML system design, experimentation, and production reliability. Bonus for RAG depth and frameworks like LangChain, LlamaIndex, or Hugging Face.

Backend Engineer: (looking for Kotlin/Java/Scala experience). You'll work across the backend: building enterprise integrations, large-scale scraping and parsing pipelines, and systems that let users apply LLMs to millions of documents to generate insights at scale.

We're looking to build our in-person team in NYC but also open to remote!

Apply: [https://starbridge.ai/careers](https://www.google.com/url?q=https://starbridge.ai/careers&s...) and mention HackerNews or email [recruiting@starbridge.ai](mailto:recruiting@starbridge.ai) with your resume.

Safi | Product Engineer | London HQ or Remote (within ±2 hrs of London) | Full-time | £110,000–£160,000 + equity | https://www.safi.co

We're hiring for a Senior/Staff level Product Engineer to help us get as close to our customers as possible and develop product with them.

You will be helping Forklift Drivers and Plant Managers at industrial recyclers (smelters, MRFs, plastics) use ML Models via their phones to assess the quality of material in their yard, and exploring how we can enter in to other markets too.

If you're excited to join a small, eager, talented team please get in touch!

Apply: https://jobs.ashbyhq.com/safi/06794918-bef7-4a6b-a2d3-c58c17...