AI Research Engineer, Handshake AI

Join to apply for the AI Research Engineer, Handshake AI role at Handshake

Join to apply for the AI Research Engineer, Handshake AI role at Handshake

Your impact

Handshake is building the future of human data for AI.

We partner directly with top AI labs to power large language model (LLM) training and evaluation with high-quality, expert-generated data. As AI models become more sophisticated, the demand for specialized human input continues to grow—and Handshake is uniquely positioned to meet it. We power career platforms at 92% of the top U.S. universities, giving us direct access to verified expert talent across a wide range of domains.

Your impact

Handshake is building the future of human data for AI.

We partner directly with top AI labs to power large language model (LLM) training and evaluation with high-quality, expert-generated data. As AI models become more sophisticated, the demand for specialized human input continues to grow—and Handshake is uniquely positioned to meet it. We power career platforms at 92% of the top U.S. universities, giving us direct access to verified expert talent across a wide range of domains.

Our AI team is rapidly building a new generation of human data products—from expert annotation platforms to AI interviewers and seamless payout infrastructure—all designed to accelerate research and improve model performance.

We've assembled a world-class team from YC, Notion, Scale, Coinbase, Palantir, and more, and we're working directly with many of the world's leading AI research labs. This is a unique opportunity to join a fast-growing team shaping the future of AI through better data, better tools, and better systems—for experts, by experts.

We're looking for a Research Engineer to join our Handshake AI Research team, where you'll help shape what the next generation of AI models can achieve. This is a hands-on, high-impact role focused on post-training methodologies, specialized domain data verification, and creating cutting-edge LLM benchmarks that measure real-world impact.

As a Research Engineer, you'll bring deep technical skill, curiosity, and rigor to every stage of the research-to-deployment pipeline—whether it's designing robust distributed infrastructure for massive experiments, writing high-performance ML code, or developing benchmarks and evaluations that define the future of AI capabilities.

Location : San Francisco, CA

Your role

• Design and implement post-training systems and methodologies in close partnership with research scientists and domain experts
• Build and maintain infrastructure that supports large-scale model training, specialized data processing, and benchmark evaluation
• Develop robust frameworks for verifying the quality and integrity of highly specialized domain datasets
• Create next-generation LLM benchmarks that push the boundaries of model evaluation and capabilities assessment
• Optimize performance across software and hardware layers to accelerate post-training experimentation and deployment
• Collaborate across disciplines to ensure rigorous validation of model improvements and benchmark reliability

Your Experience

Nice to Have

Why Join Us

What We Offer

At Handshake, we'll give you the tools to feel healthy, happy and secure.

Benefits Below Apply To US Employees In Full-time Positions.

Looking for more? Explore our mission, values and comprehensive US benefits at joinhandshake.com / careers.

Handshake is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or reasonable accommodation, please let your recruiter know during initial communications.

Seniority level

Seniority level

Entry level

Employment type

Employment type

Full-time

Job function

Job function

Engineering and Information Technology

Industries

Software Development

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