Handshake
AI
SoftwareEngineerII,FellowDevelopment
Neural analysis suggests this role is
optimal for Mid candidates.
“Software Engineer II, Fellow Development at Handshake. Skills: full-stack systems development, TypeScript, React, Next. js, GraphQL, PostgreSQL. build the learning, feedback, and community systems that help Handshake AI’s network of AI trainers do their best work. own features end-to-end”
What You'll Achieve.
help Handshake AI’s network of AI trainers do their best work; directly shape how tens of thousands of people train and evaluate AI models; deliver polished, reliable user experiences; establish patterns the team can build on; iterate based on real usage
Industry & Context.
curious about the problem; translate ambiguous requirements into polished, reliable user experiences; Comfortable navigating ambiguity and making sound tradeoffs
5 days/week in-office
What They're Looking For.
Must Have
3–5 years of professional software engineering experience building full-stack applications, proficiency in TypeScript across frontend and backend surfaces, Hands-on experience with modern web stacks (React, Next. js, GraphQL), Solid command of relational databases (PostgreSQL) and thoughtful data modeling, Track record of owning features independently and driving them to completion, communicator who collaborates well with product, design, and cross-functional partners, Comfortable navigating ambiguity and making sound tradeoffs in a fast-paced environment
Nice to Have
user-facing product instincts — you care as much about the experience as the implementation, Background in edtech, learning platforms, or tools that help people improve at something, Familiarity with workflow orchestration tools like Temporal or async job systems
What You'll Do.
and community systems that help Handshake AI’s network of AI trainers do their best work
own features end-to-end
drive technical design
ship tools that directly shape how tens of thousands of people train and evaluate AI models
translate ambiguous requirements into polished
reliable user experiences
actively participate in code reviews
proactively identify and address technical debt
and performance bottlenecks
How You'll Work.
Team & Collaboration
Partner closely with product and design; Collaborate across engineering, L&T, and operations; collaborates well with product, design, and cross-functional partners
Communication Scope
communicator who collaborates well with product, design, and cross-functional partners
Process & Methodology
Own features end-to-end, drive technical design, ship tools, drive them to completion, making sound tradeoffs
Full Job Description
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 Software Engineer II on Fellow Development, you’ll build the learning, feedback, and community systems that help Handshake AI’s network of AI trainers do their best work. You'll own features end-to-end, drive technical design, and ship tools that directly shape how tens of thousands of people train and evaluate AI models. This role rewards engineers who are curious about the problem, not just the code. You'll work closely with PMs, operators, and the L&T team to understand what makes a great fellow experience, transla
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