Senior Software Engineer, Growth

Senior Software EngineerAs a Senior Software Engineer on the Growth team, you'll build the products that connect millions of students with employers. You'll drive meaningful technical initiatives, shape the technical direction of the team, and deliver high-quality, scalable solutions that directly impact one of the fastest-growing career platforms in the world. This role is onsite 5 days a week in our SF office.Your RoleDesign, build, and ship experiments across the user funnel — onboarding, activation, retention, notifications — with a strong bias toward measurable impactArchitect and scale distributed systems to support millions of users, ensuring high availability and performancePartner with Product Managers and Data Scientists to translate growth hypotheses into technical designs and shippable experimentsMentor and elevate engineers across the team, fostering a culture of growth and technical excellenceBalance speed and rigor — know when to move fast with a lightweight test and when a feature needs production-grade durabilityDesired Capabilities5+ years of professional software engineering experience, ideally with exposure to consumer-facing or growth-focused productsStrong fundamentals in backend and/or full-stack development (adjust based on your stack — e.g., Ruby on Rails, GraphQL, React, or equivalent)Experience building or working within experimentation platforms (e.g., feature flagging, A/B testing frameworks, statistical significance tooling)A track record of shipping iteratively and learning from real user data, not just building to specStrong collaboration skills — you can work fluidly with PMs, designers, and data scientists, and can communicate trade-offs clearlyA growth mindset: curiosity about why something worked or didn't, not just whether it shippedExtra CreditBackground in notification, acquisition, user authentication/authorization at scaleBackground in mobile growth (iOS/Android) alongside webFamiliarity with LLM-powered features or AI-assisted product experiencesPrior experience in high-growth or rapidly scaling environmentsPerksHandshake delivers benefits that help you feel supported—and thrive at work and in life. 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, and vision, mental health support, wellness stipend Growth: 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 bonusesExplore our mission, values, and comprehensive US benefits at joinhandshake.com/careers.