Research Engineer
Raydar
Research Engineer
Raydar
AI-powered recruiting agency for tech roles
Raydar · San Francisco, United States · Full-time · Posted 2026-10-12
Salary: USD 150,000–200,000
Workplace: on_site
About the company
Our client is a fast-growing technology company.
The role
Raydar is recruiting for this role on behalf of our client. Build and run evaluation and reinforcement learning task pipelines for coding-focused AI models, working directly with external customers from the first day. The role grows over roughly six months from hands-on engineering into leading a small team of engineers.
What you'll do
- Design and build coding evaluations and reinforcement learning tasks, along with the pipeline that produces them.
- Run evaluations of leading AI models against an internal benchmark and a set of representative tasks.
- Partner directly with customers, quality-checking deliverables and shipping to specification.
- Build reinforcement learning tasks hand in hand with customers as the engagement matures.
- Grow into leading a team of engineers over the first several months.
What we're looking for
- Solid working knowledge of reinforcement learning, coding-focused RL, evaluations, harnesses, benchmarks and post-training; this is a firm requirement.
- A blend of research intuition and the engineering skill to build tasks and evaluations.
- Prior experience at a data company, or concrete self-driven evidence such as a benchmark you built or a post-training side project.
- High energy, strong drive and a hunger to learn and do as much as possible.
- High agency, a strong work ethic, integrity and an earnest attitude toward learning.
- Roughly 1 to 5 years of relevant experience.
Bonus points
- Research experience at a strong lab or university.
- Interest in starting a company someday.
- Relocating to the Bay Area from outside the region and a deep curiosity about AI.
Compensation and benefits
- Base salary: USD 150,000 to 200,000 per year
- Equity
- Health insurance
Location and work model
- San Francisco, California, United States
- On-site, in office
- Full-time
Powered by Workable
Raydar is an AI-powered talent acquisition firm that serves tech-focused organizations on a contingency basis, charging client companies only after a successful hire. It uses proprietary AI to identify a large pool of candidates and conducts a short 15-minute AI-driven interview (recorded and transcribed) before human recruiters review materials, provide interview prep, and assist with offers and negotiations. What sets it apart is the blend of automated sourcing and screening with hands-on human oversight and tailored client support. Its goal is to help organizations hire more efficiently by speeding up sourcing while maintaining thorough evaluation and negotiation assistance.
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