Staff Software Engineer, RL Environments

📋 Description Own the technical foundation for how Scale builds, runs, verifies, and delivers RL environments at Design the platform: sandboxed execution, environment packaging and versioning, rollout Go deep on the environments themselves: instrumenting real applications, designing task suites, and Set technical direction across multiple teams, while still writing the hard parts of the software. 🎯 Requirements 8+ years of software engineering experience with strong fundamentals in distributed systems, system Strong Python skills and a track record of shipping production software; comfort in at least one Deep experience with containerization and sandboxed execution, including Docker, VMs Experience building or operating high-throughput backend systems: orchestration, job scheduling Hands-on experience building with LLMs including agent loops, tool calling, MCP, or eval harnesses Demonstrated ability to own ambiguous, undefined problems end to end and drive them to a shipped 🎁 Benefits Comprehensive health, dental and vision coverage Retirement benefits Learning and development stipend Generous PTO Equity based compensation Commuter stipend (for eligible roles)