Senior Software Engineer II, Member Growth, Top of Funnel

Our mission: eliminating every barrier to mental health. Spring Health is a global mental health company on a mission to eliminate every barrier to mental health. We're building a world where getting support is simple, personal, and built around the person, so care can continue through every job, move, health plan, and life stage. Our AI-native platform helps us deliver personalized support across self-guided tools, coaching, therapy, medication management, and specialty care. With outcomes independently validated by JAMA Network Open and the Validation Institute, Spring Health reaches more than 170 million people worldwide through leading employers, health plans, and partners. As an AI-native company, we believe technology should expand the reach, quality, and humanity of care. Every Spring Health team member is expected to use AI tools thoughtfully, apply human judgment to AI outputs, and keep building AI fluency in ways that support their role and our mission. The Top of Funnel team owns the critical first steps of a member’s journey: from registration and authentication to onboarding and provider matching. Your work will directly influence how millions of people access mental healthcare for the first time, and you will bring both growth-oriented experimentation and a commitment to architectural quality and reliability to everything you build. Hybrid role based in San Francisco, with an expectation to be in the office 2 – 3 days per week at our 2 Embarcadero Ctr. location. Candidates must be based in the San Francisco metro area or able to relocate independently within 90 days of their start date. Occasional travel will be required for team on‑sites. What you’ll do: Design and build scalable, performant front‑end features and systems using React, Next.js, and TypeScript, with a strong emphasis on engineering rigor and maintainability Drive top‑of‑funnel member growth initiatives, including A/B experimentation, feature flagging, and conversion optimization, in close partnership with product and growth teams Own and improve critical member‑facing flows‑registration, authentication, onboarding, and provider matching‑delivering best‑in‑class user experiences at scale Harden existing front‑end architecture by identifying and resolving technical debt, improving reliability, reducing latency, and elevating overall code quality Collaborate with cross‑functional teams—product, design, data, and backend engineering—to ship high‑impact features that improve the top of funnel experience for members seeking care Provide technical leadership in architectural discussions, code reviews, and front‑end system planning, setting a high bar for the team Advocate for engineering excellence: test coverage, observability, accessibility, performance benchmarking, and documentation Own technical delivery for complex front‑end projects or subsystems, breaking down ambiguous requirements into incremental, shippable units Champion improvements in developer experience, front‑end tooling, and build infrastructure Participate in an on‑call rotation to support system reliability and respond to production issues Mentor and support the growth of other engineers on the team What success looks like: Deliver high‑impact, high‑quality projects on time and with stakeholder satisfaction Maintain high system reliability and quality through strong testing and scalable design Drive cross‑functional collaboration with product, design, data, or other teams, to align on goals and delivery Lead by example through strong individual contributions and peer mentorship Deliver measurable improvements in engineering velocity, scalability, or developer experience Identify cross‑team opportunities and contribute to organizational‑level improvement What you’ll bring: Deep expertise in React, Next.js, and TypeScript; demonstrated mastery of the ecosystem including rendering strategies, state management, performance optimization, and component architecture Proven ability to independently lead delivery of complex front‑end projects from design through production Experience with growth and experimentation frameworks, including A/B testing, feature flags, and analytics instrumentation (e.g., LaunchDarkly, Mixpanel, or similar) Strong track record of improving existing systems—refactoring for reliability, performance, scalability, and long‑term maintainability—not just shipping net‑new features Experience working in cross‑functional Agile teams, partnering closely with product and design Familiarity with observability and monitoring tools such as Datadog or Sentry Strong understanding of web performance fundamentals: Core Web Vitals, bundle optimization, lazy loading, and rendering performance Strong problem‑solving skills and high attention to detail Nice to have: Experience with growth initiatives, authentication, registration flows, or member onboarding Experience working in a healthcare or mental health tech environment The target base salary range for this position is $207,000 - $233,000, and is part of a competitive total rewards package including stock options and benefits. Individual pay may vary from the target range and is determined by a number of factors including experience, location, internal pay equity, and other relevant business considerations. We review all employee pay and compensation programs annually using Radford Global Compensation Database at minimum to ensure competitive and fair pay. Benefits provided by Spring Health: Note: We have even more benefits than listed below, your recruiter will provide more in‑depth information as you continue in the interview process. Benefits are subject to individual plan requirements and eligibility criteria. Health, Dental, Vision benefits start on your first day at Spring. You and your dependents also receive access to One Medical accounts HSA and FSA plans are also available, with Spring contributing up to $1K for HSAs, depending on your plan type. Employer sponsored 401(k) match of up to 2% for retirement planning A yearly allotment of no cost visits to the Spring Health network of therapists, coaches, and medication management providers for you and your dependents. We offer competitive paid time off policies including vacation, sick leave and company holidays. At 6 months tenure with Spring, we offer parental leave of 18 weeks for birthing parents and 16 weeks for non‑birthing parents. Access to Noom, a weight management program—based in psychology, that’s tailored to your unique needs and goals. Access to fertility care support through Carrot, in addition to $4,000 reimbursement for related fertility expenses. Access to Wellhub, which connects employees to the best options for fitness, mindfulness, nutrition, and sleep in one subscription Access to BrightHorizons, which provides sponsored child care, back‑up care, and elder care Up to $1,000 Professional Development Reimbursement a year. $200 per year donation matching to support your favorite causes. Our privacy policy: Spring Health is proud to be an equal opportunity employer. We do not discriminate in hiring or any employment decision based on race, color, religion, national origin, age, sex, marital status, ancestry, disability, genetic information, veteran status, gender identity or expression, sexual orientation, pregnancy, or other applicable legally protected characteristic. We also consider qualified applicants regardless of criminal histories, consistent with applicable legal requirements. Spring Health is also committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans. 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