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)