Senior Software Engineer - Pay & Safety

Senior Software Engineer to own money movement and trust & safety systems for Handshake AI.

• •About Handshake Handshake was founded on a simple belief that everyone deserves a path to a great career, regardless of where they went to school or who they know.
• •Today, we power 25 million job seekers, 1 million+ employers, and 1,600 educational institutions.
• •In 2025, we started Handshake AI and built the fastest-growing AI data business in history.
• •We work directly with frontier AI lab researchers to create evaluations, publish benchmarks, and push the boundary of data.
• •We’ve grown from $0 to ~$1B run rate and pay ~$60M to over 30K individuals every month.
• •Why join Handshake now: Shape how every career evolves in the AI economy, at global scale, with impact your friends, family and peers can see and feel Partner hand-in-hand with world-class AI labs, Fortune 500 partners and the world’s top educational institutions Work together with engineers, scientists, operators, and more from Palantir, Meta, Scale AI, and former YC founders Build a massive, fast-growing business with billions in revenue About Handshake AI Human data is the core infrastructure to AI advancement.
• •Frontier AI labs currently improve model capabilities with various data-intensive post-training techniques.
• •We believe that data spend for AI training will increase by 3-5x in the next few years and continue for much longer as models take on new domains.
• •Handshake AI supports all of the frontier AI labs, working on their most complex data at the largest scale.
• •About the Role As a Senior Software Engineer on the Pay squad, you'll own the systems that move money to Handshake AI's global fellow workforce.