Senior Software Engineer (Growth)

Join Handshake, one of the fastest-growing career platforms in the world, as a Senior Software Engineer on the Growth team. In this role, you will design, build, and ship experiments across the user funnel, architect and scale distributed systems, and mentor and elevate engineers across the team. You will have the opportunity to drive meaningful technical initiatives and shape the technical direction of the team. Handshake offers a comprehensive benefits package, including health insurance, fertility and family forming benefits, mental health support, 401k match, equity, and flexible time off.

• Concevoir, construire et expédier des expériences à travers le tunnel utilisateur, avec un fort biais vers l'impact mesurable.
• Architecturer et mettre à l'échelle des systèmes distribués pour soutenir des millions d'utilisateurs, en garantissant une haute disponibilité et des performances.
• Mentorer et élever les ingénieurs de l'équipe, en favorisant une culture de croissance et d'excellence technique.
• A track record of shipping iteratively and learning from real user data, not just building to spec
• Strong collaboration skills — you can work fluidly with PMs, designers, and data scientists, and can communicate trade-offs clearly
• Experience building or working within experimentation platforms (e.g., feature flagging, A/B testing frameworks, statistical significance tooling)
• Strong fundamentals in backend and/or full-stack development (adjust based on your stack — e.g., Ruby on Rails, GraphQL, React, or equivalent)
• A growth mindset: curiosity about why something worked or didn't, not just whether it shipped
• 5+ years of professional software engineering experience, ideally with exposure to consumer-facing or growth-focused products
• Prior experience in high-growth or rapidly scaling environments
• Familiarity with LLM-powered features or AI-assisted product experiences
• Background in notification, acquisition, user authentication/authorization at scale
• Background in mobile growth (iOS/Android) alongside web