Software Engineer II, Fellow Development

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, translate that into reliable, scalable systems, and own the outcome from first line of code to launch. Location: San Francisco, CA | 5 days/week in-office Responsibilities Own features end-to-end across frontend and backend, from scoping and technical design through launch and iteration Build the full-stack systems that power how fellows learn, get feedback, and improve their work Partner closely with product and design to translate ambiguous requirements into polished, reliable user experiences Contribute meaningfully to architecture discussions and help establish patterns the team can build on Write clean, well-tested, maintainable code and actively participate in code reviews Collaborate across engineering, L&T, and operations to understand how your work lands and iterate based on real usage Proactively identify and address technical debt, reliability gaps, and performance bottlenecks Desired Capabilities 3–5 years of professional software engineering experience building full-stack applications Strong 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 Strong communicator who collaborates well with product, design, and cross‑functional partners Comfortable navigating ambiguity and making sound tradeoffs in a fast‑paced environment Extra Credit Strong 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 Benefits The below benefits are for full‑time US employees. Ownership : Equity in a fast-growing company Financial Wellness : 401(k) match, competitive compensation, financial coaching Family Support : Paid parental leave, fertility benefits, parental coaching Wellbeing : Medical, dental, vision, mental health support, $500 wellness stipend Growth : $2,000 learning stipend, ongoing development Remote & Office : Internet, commuting, and free lunch/gym in our SF office Time Off : Flexible PTO, 15 holidays + 2 flex days Connection : Team outings & referral bonuses Compensation Range: $190K - $210K #J-18808-Ljbffr