Senior Software Engineer, Fullstack, Rewards & Incentives

THE OPPORTUNITY Join RAIN—the Rewards & Incentives pod—as we build product experiences that help members form healthy habits and stay engaged with their Hinge Health care journey. Our mission is to use rewards, insights, and thoughtful product experiences to encourage behaviors that support members’ health goals. RAIN owns member-facing capabilities including points, achievements, streaks, challenges, tiers, and digital and physical incentives. We work across mobile experiences, backend services, experimentation, and operational tooling to make these experiences useful, reliable, measurable, and easy to evolve. As a Senior Full-Stack Software Engineer, you’ll own meaningful product work across the front end and backend, from technical discovery through production. You’ll work closely with Product, Design, Data, and Engineering partners to turn member needs into simple, reliable, and measurable solutions. WHAT YOU’LL ACCOMPLISH - Build and operate full-stack features using JavaScript, TypeScript, React Native, NestJS, and Node.js. - Own projects from technical design through launch, measurement, iteration, and ongoing maintenance. - Develop well-tested APIs, data models, and mobile experiences for rewards and incentives. - Translate product ideas into practical solutions and make thoughtful trade-offs between member value, quality, simplicity, and delivery speed. - Improve reliability through testing, observability, performance improvements, and production support. - Contribute to architectural decisions, technical documentation, code reviews, and reducing technical debt. - Use Claude Code and other approved AI tools as part of your development workflow. - Provide clear context, plan work, review generated changes critically, and validate behavior with tests and running code. - Mentor teammates and contribute to a collaborative engineering culture. - Participate in the team’s weekly on-call rotation, helping ensure the reliability and timely support of the systems we build. KEY PARTNERSHIPS You will work closely with: - Product, to define problems, shape roadmaps, prioritize work, and measure outcomes. - Design and User Experience, to create clear and motivating member experiences. - Data and Analytics, to design experiments, understand member behavior, and evaluate impact. - Adjacent Engineering, Platform, Quality, Security, Privacy, and Compliance teams to integrate services and deliver safe, dependable experiences. BASIC QUALIFICATIONS - Bachelor’s Degree (or equivalent) in Computer Science, Engineering or related technical field. - 3+ years of non-internship full-time professional software development experience. - Experience building and operating production software as a full-stack engineer. - Strong fundamentals in API design, data modeling, testing, debugging, and frontend development. - Ability to take ownership of ambiguous problems and deliver practical solutions incrementally. - Experience making technical decisions across service boundaries and explaining trade-offs clearly. - A product mindset and interest in connecting engineering work to member needs and measurable outcomes. - Clear communication and effective collaboration with cross-functional partners. - Good judgment when using AI coding tools, including providing context, reviewing generated code, and maintaining ownership of architecture, security, and maintainability. PREFERRED QUALIFICATIONS - Experience with machine learning, including training or fine-tuning models. - Experience integrating hosted machine-learning models in the cloud. - Experience with rewards, incentives, gamification, engagement, or other consumer-facing products. - Experience working in privacy, security, or compliance-sensitive environments. WHAT SUCCESS LOOKS LIKE - You deliver reliable rewards and incentives capabilities that create clear value for members. - You become a trusted technical partner to Product, Design, Data, and Engineering. - You improve the clarity, reliability, and maintainability of the systems you touch. - You help the team use AI-assisted development effectively without compromising engineering quality. WHY JOIN RAIN You’ll work on a high-impact product area that connects software, behavior change, and better health outcomes. You’ll join a small, cross-functional team where engineers have meaningful influence over product and technical decisions and own their systems in production. HINGE HEALTH HYBRID MODEL We believe that remote work and in-person work have their own advantages and disadvantages, and we want to be able to leverage the best of both worlds. Employees in hybrid roles are required to be in the office 3 days per week, for the full 8 hours of a typical business day. The San Francisco office has a dog-friendly workplace program.   ABOUT HINGE HEALTH At Hinge Health, we’re using technology to scale and automate the delivery of healthcare, starting with musculoskeletal (MSK) conditions, which affect over 1.7 billion people worldwide. Our AI-powered, human-centered care model spans MSK, pelvic health, gastrointestinal (GI) and migraine care. With over 60 partnerships with health plans, PBMs and other ecosystem partners, Hinge Health is available to over 25 million people across more than 2,900 employers. The company is headquartered in San Francisco with additional offices in Montreal and Bangalore. Learn more at hingehealth.com http://hingehealth.com.   WHAT YOU’LL LOVE ABOUT US - Inclusive healthcare and benefits: On top of comprehensive medical, dental, and vision coverage, we offer employees and their family members help with gender-affirming care, tools for family and fertility planning, and travel reimbursements if healthcare isn’t available where you live. - Planning for the future: Start saving for the future with our traditional or Roth 401k retirement plan options which include a 2% company match. - Modern life stipends: Manage your own learning and development. - Grow with us: Grow with us through discounted company stock through our ESPP with easy payroll deductions.   CULTURE & ENGAGEMENT Hinge Health is an equal opportunity employer and prohibits discrimination and harassment of any kind. We make employment decisions without regards to race, color, religion, sex, sexual orientation, gender identity, national origin, age, veteran status, disability status, pregnancy, or any other basis protected by federal, state or local law. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. We provide reasonable accommodations for candidates with disabilities. If you feel you need assistance or an accommodation due to a disability, let us know by reaching out to your recruiter. By submitting your application you are acknowledging we are using your personal data as outlined in the personnel and candidate privacy policy. https://www.hingehealth.com/about/personnel-and-candidate-privacy-policy/ Beware of Phishing Attempts: We've noticed an increase in phishing where fraudsters impersonate employees and send fake job offers to steal sensitive information. We'll never ask for financial details during the hiring process and only use "@hingehealth.com http://hingehealth.com" emails. If you receive a suspicious offer, stop communication and report it to the US FBI Internet Crime Complaint Center. To verify an email from our recruiting team, forward it to security@hingehealth.com https://app.ashbyhq.com/admin/organizational-settings/theme#.