Raydar
Research Engineer
$150K–$200K
San Francisco, California · Full-time · Posted Oct 12, 2026
- Experience
- Roughly 1 to 5 years of relevant experience.
About the job
Build and run coding-focused AI evaluation and reinforcement-learning pipelines, work directly with customers, and grow into leading a small engineering team.
What you'll do
- Design coding evaluations and reinforcement-learning tasks and build the pipeline that produces them.
- Evaluate leading AI models against an internal benchmark and representative tasks.
- Work directly with customers to quality-check and deliver work to specification, and grow into team leadership.
What they ask for
- Solid working knowledge of reinforcement learning, coding-focused RL, evaluations, harnesses, benchmarks, and post-training.
- A blend of research intuition and engineering skill to build tasks and evaluations.
- Prior experience at a data company, or concrete self-driven evidence such as a benchmark or post-training side project.
- High energy, drive, agency, work ethic, integrity, and earnestness toward learning.
Nice to have
- Research experience at a strong lab or university.
- Interest in starting a company someday.
Pay
USD 150,000 to 200,000 per year (base salary)
AI focus
Build coding-focused AI evaluations and reinforcement-learning tasks and pipelines; evaluate leading AI models against benchmarks and representative tasks.
Model-written summary · the original posting is authoritative