Member of Technical Staff - ML Platform Engineer
Core
Build and maintain the ML platform that packages, runs, and delivers RL environments to partner labs' training stacks.
Role type
Senior IC ML Platform Engineer
Builds
Karotte (open-source RL environment framework), internal build/run/grade infrastructure, and delivery integrations for partner labs
Domain
AI Safety / Reinforcement Learning / Cloud Infrastructure
Deliverable
production ML models
Required skills
Python, container orchestration (Docker, Kubernetes), cloud platforms (GCP, AWS), untrusted code execution safety, coding agents (Claude Code, Cursor), end-to-end pipeline automation
Preferred skills
RL environment building, RL post-training/inference stacks (verl, Ray, SkyPilot, vLLM, SGLang), sandbox/code-execution infrastructure (Firecracker, gVisor), early-stage platform engineering, open-source framework maintenance
Technologies
Karotte, Docker, Kubernetes, GCP, AWS, Python, Claude Code, Cursor, Firecracker, gVisor, verl, Ray, SkyPilot, vLLM, SGLang
Responsibilities
Automate environment delivery pipelines to partner labs; maintain the Karotte framework API and releases; scale infrastructure for CPU/GPU/TPU environment execution; build developer tooling (CLI, docs, monitoring); partner with researchers to automate pain points
Seniority
Senior, hands-on IC