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Research Engineer, Environments

San Francisco💼 Full-time🗓 2026-07-24 → 2026-09-25

Core

Build high-fidelity RL environments and verifier engineering for enterprise capability evaluations and frontier AI model training.

Role type

Senior IC research engineer (RL environments & verifier engineering)

Builds

RL environments, verifier systems, and evaluation pipelines for enterprise workflows

Domain

AI/ML, Reinforcement Learning, Enterprise Software

Deliverable

production ML models

Required skills

Full-stack engineering, RL environment construction, workflow extraction, autonomous task refinement, system-level thinking, data pipeline engineering

Preferred skills

Orchestration/compute services (Temporal, Modal), synthetic data generation, industry-standard evaluation auditing

Technologies

Temporal, Modal

Responsibilities

Ship models for workflow extraction, classification, and grading; Engineer autonomous task refinement processes; Build end-to-end environments by platformizing sandbox app clones and writing verifiers; Systematize production of environments to scale throughput

Seniority

Senior, hands-on IC

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