Skills · Foundations
Python
Taught here
The language almost every research and applied posting asks for.
Mentioned in 163 of 338 recorded research roles (48%) and 903 of 1,837 technical roles (49%), as of October 2, 2026.
Learn it here
These counts describe the October 2, 2026 snapshot; postings need a fresh check. Explore opportunities.
Everything here that teaches it
5 pieces. Pieces built around this skill come first in each list; the rest use it along the way.
Articles
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Build One Station of a Dark Factory: A Typed Tool With a Receipt
Every station in a dark software factory is a tool an agent calls. Wrap a Python function in a typed tool contract, break it three ways, and record a receipt the factory can rerun: commit, versions, command, output and what was not checked.
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What an AI Agent Remembers After a Restart
After a restart, an agent remembers what your application stored and nothing else. Run a short Python example on Colab that loses its conversation and keeps a corrected preference.
Notes
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Pin the Environment Before You Try to Reproduce a Result
Two people can run the same eval script on different library versions and argue about a number neither can reproduce.
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Check What Bash(uv run *) Actually Allows Before You Grant It
An allow rule is a threat model in one line. Before you save Bash(uv run ) so Claude Code can run experiments without prompting, write down the worst command…
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Test the Environment Your Reviewer Will Actually Run
Your eval passes in the virtual environment you have been editing for three weeks. That environment holds packages you installed by hand, a cached dataset and…
Also in Foundations: Math for ML, Production systems.
Who asks for it
- Research scientists and engineers 163 of 338
- Fellowships, residencies and internships 19 of 44
- Applied AI and forward-deployed 194 of 323
- ML systems and infrastructure 58 of 109
- Machine learning engineers 89 of 146
- Software engineering at labs 380 of 877
Recorded roles that mention it
903 recorded postings mention it. Here are the newest 60 research, fellowship, applied and ML-systems roles; the rest are on the role pages linked above. Each title opens the lab's own posting.
- Senior Applied AI Engineer ↗
CodeRabbit · Applied AI and forward-deployed · No degree stated · $200k to $300k base
- Applied AI Engineer ↗
Cognition · Applied AI and forward-deployed · No degree stated · $180k to $225k base
- Applied AI Engineer - ANZ ↗
Cognition · Applied AI and forward-deployed · No degree stated · $180k to $225k base
- Applied AI Engineer - APAC ↗
Cognition · Applied AI and forward-deployed · No degree stated · $180k to $225k base
- Deployed Engineer ↗
Cognition · Applied AI and forward-deployed · No degree stated
- Deployed Engineer - Doha ↗
Cognition · Applied AI and forward-deployed · No degree stated
- Deployed Engineer - EMEA ↗
Cognition · Applied AI and forward-deployed · No degree stated
- Deployed Engineer - Europe ↗
Cognition · Applied AI and forward-deployed · No degree stated
- Deployed Engineer - LATAM ↗
Cognition · Applied AI and forward-deployed · No degree stated
- Deployed Engineer - LATAM ↗
Cognition · Applied AI and forward-deployed · No degree stated
- Deployed Engineer, Federal ↗
Cognition · Applied AI and forward-deployed · No degree stated · $180k to $280k base
- Partner Deployed Engineer ↗
Cognition · Applied AI and forward-deployed · No degree stated
- Partner Deployed Engineer - APAC ↗
Cognition · Applied AI and forward-deployed · No degree stated
- Partner Deployed Engineer - APAC ↗
Cognition · Applied AI and forward-deployed · No degree stated
- Partner Deployed Engineer - Europe ↗
Cognition · Applied AI and forward-deployed · No degree stated
- Research Engineer, Mid-Training ↗
Cognition · Research scientists and engineers · PhD required
- Research Engineer, ML Infrastructure ↗
Cognition · Research scientists and engineers · PhD required
- Forward Deployed Product Engineer ↗
Cosine · Applied AI and forward-deployed · No degree stated
- Forward Deployed Engineer ↗
Cursor (Anysphere) · Applied AI and forward-deployed · No degree stated
- Forward Deployed Engineer ↗
Cursor (Anysphere) · Applied AI and forward-deployed · No degree stated
- Forward Deployed Engineer - EMEA ↗
Cursor (Anysphere) · Applied AI and forward-deployed · No degree stated
- Forward Deployed Engineer - India ↗
Cursor (Anysphere) · Applied AI and forward-deployed · No degree stated
- Forward Deployed Strategist ↗
Cursor (Anysphere) · Applied AI and forward-deployed · No degree stated
- Forward Deployed Strategist ↗
Cursor (Anysphere) · Applied AI and forward-deployed · No degree stated
- Forward Deployed Strategist ↗
Cursor (Anysphere) · Applied AI and forward-deployed · No degree stated
- Full Stack Engineer, ML Research Tools ↗
Cursor (Anysphere) · ML systems and infrastructure · No degree stated
- Regional Director, Forward Deployed Engineering ↗
Cursor (Anysphere) · Applied AI and forward-deployed · No degree stated
- Regional Director, Forward Deployed Engineering - India ↗
Cursor (Anysphere) · Applied AI and forward-deployed · No degree stated
- RVP, Forward Deployed Engineering - EMEA ↗
Cursor (Anysphere) · Applied AI and forward-deployed · No degree stated
- Software Engineer, ML Infrastructure ↗
Cursor (Anysphere) · ML systems and infrastructure · No degree stated
- Research Engineer (Agentic Models) ↗
JetBrains (Junie, Mellum) · Research scientists and engineers · No degree stated
- Senior AI Engineer (Core Engine) ↗
JetBrains (Junie, Mellum) · Applied AI and forward-deployed · No degree stated
- Staff Forward Deployed Engineer – AI-Native Software Development ↗
JetBrains (Junie, Mellum) · Applied AI and forward-deployed · No degree stated
- Staff Research Engineer (LLM Pre-Training) ↗
JetBrains (Junie, Mellum) · Research scientists and engineers · No degree stated
- Forward Deployed Engineer ↗
Luma AI · Applied AI and forward-deployed · Bachelor's or equivalent · $168k to $252k base
- Forward Deployed Engineer - Singapore (Korean Speaking) ↗
OpenAI · Applied AI and forward-deployed · No degree stated
- Forward Deployed Engineer ↗
OpenHands (formerly All Hands AI) · Applied AI and forward-deployed · No degree stated · $175k to $240k base
- Machine Learning Scientist ↗
Relace · Research scientists and engineers · Master's, PhD or equivalent
- Software Engineer - New Grad (2027) ↗
Replit · Fellowships, residencies and internships · No degree stated · $140k to $180k base
- Software Engineer, Distributed Systems ↗
Thinking Machines Lab · ML systems and infrastructure · No degree stated · $300k to $350k base
- Software Engineer, Inference ↗
Thinking Machines Lab · ML systems and infrastructure · No degree stated · $300k to $350k base
- Research Engineer, Asta ↗
Allen Institute for AI (Ai2) · Research scientists and engineers · PhD preferred · $129k to $193k base
- Research Engineer, Climate Modeling ↗
Allen Institute for AI (Ai2) · Research scientists and engineers · PhD preferred · $147k to $220k base
- Research Scientist, Climate Modeling ↗
Allen Institute for AI (Ai2) · Research scientists and engineers · PhD required · $167k to $261k base
- Senior Research Engineer, Olmo + Molmo ↗
Allen Institute for AI (Ai2) · Research scientists and engineers · PhD or equivalent experience · $174k to $261k base
- [Expression of Interest] Research Engineer / Scientist, Alignment - London ↗
Anthropic · Research scientists and engineers · No degree stated
- Anthropic Fellows Program, AI Safety & Security ↗
Anthropic · Fellowships, residencies and internships · No degree stated
- Anthropic Fellows Program, ML Systems & Reinforcement Learning ↗
Anthropic · Fellowships, residencies and internships · No degree stated
- Anthropic Fellows Program, The Anthropic Institute (Economics & Policy) ↗
Anthropic · Fellowships, residencies and internships · No degree stated
- Applied AI Architect ↗
Anthropic · Applied AI and forward-deployed · No degree stated
- Applied AI Architect ↗
Anthropic · Applied AI and forward-deployed · No degree stated
- Applied AI Architect ↗
Anthropic · Applied AI and forward-deployed · No degree stated
- Applied AI Architect ↗
Anthropic · Applied AI and forward-deployed · No degree stated
- Applied AI Architect ↗
Anthropic · Applied AI and forward-deployed · No degree stated
- Applied AI Architect, Commercial ↗
Anthropic · Applied AI and forward-deployed · No degree stated · $240k to $315k base
- Applied AI Architect, Cyber ↗
Anthropic · Applied AI and forward-deployed · No degree stated · $240k to $315k base
- Applied AI Architect, Enterprise Tech ↗
Anthropic · Applied AI and forward-deployed · No degree stated · $240k to $315k base
- Applied AI Architect, Industries ↗
Anthropic · Applied AI and forward-deployed · No degree stated · $240k to $315k base
- Applied AI Architect, Industries ↗
Anthropic · Applied AI and forward-deployed · No degree stated
- Applied AI Architect, Industries ↗
Anthropic · Applied AI and forward-deployed · No degree stated
