Staff Engineer, RL Environments & Tools

Traverse; San Francisco (CA); On-site; USD 190,000 - 260,000; Full time

Job summary

Traverse is a research data lab building reinforcement learning environments for frontier AI labs. We focus on non-deterministic, taste-dependent work and train models for real-world tasks.

You will design reward functions, evaluation pipelines, and the tooling needed to scale environments across domains. As a Member of Technical Staff, you will own problems end-to-end, work across the full stack, and help shape the company's technical direction as an early team member.

Qualifications

• Exceptional software engineering fundamentals and ability to ship production-quality code quickly.
• Comfort with ambiguity and a bias toward building rather than planning.
• Track record of owning complex technical projects end-to-end.
• You learn fast and go deep on whatever you're working on.

Responsibilities

• Design and build RL training environments across multiple verticals.
• Build infrastructure and tooling that enables environment quality to scale across domains.
• Work directly with frontier AI labs to integrate environments into their training pipelines.
• Own problems end-to-end, from scoping through implementation through evaluation.
• Shape the technical direction of the company as an early team member.

Skills

Software engineering basics

Ambiguity tolerance

End-to-end ownership

Fast learner

Job description

Traverse is a research data lab building reinforcement learning environments for frontier AI labs. We focus on non-deterministic, taste-dependent work and train models for real-world tasks.

You will design reward functions, evaluation pipelines, and the tooling needed to scale environments across domains. As a Member of Technical Staff, you will own problems end-to-end, work across the full stack, and help shape the company's technical direction as an early team member.