Senior Software Engineer - AI Data (USA)

The role

Senior Engineers identify where frontier models fail by working through real problems from a codebase step by step. You will judge AI work by reviewing agent output like a pull request and pairing with the AI on tasks.

What you will do

• Judge the AI's work.
• Give an agent a real ticket, then review its output like a teammate's pull request: run it, evaluate it.
• Pair with the AI on your own task.
• Work a real problem from a codebase you know, step by step, and flag where the model goes wrong.

Required qualifications

• 4+ years of professional software engineering experience
• A Bachelor's or Master’s degree in computer science or a related field
• US work authorization
• Strong written English
• 40 hours a week to give during your contract

Benefits

• Senior-engineer pay
• Work that lasts
• An elite, hand-picked team
• Priority access to projects frontier labs trust us with
• Direct work with project leads
• Ongoing work on your schedule
• Dedicated team, fast answers, and real feedback

Before you apply

• Pass a proctored coding assessment, without the use of AI tools.
• Complete one paid trial task.

About the company

Handshake powers 25 million job seekers, 1 million+ employers, and 1,600 educational institutions. Handshake AI works directly with frontier AI lab researchers to create evaluations, publish benchmarks, and push the boundary of data.