Senior Software Engineer II, Member Growth, Top of Funnel (Frontend)

TL;DR

Senior Software Engineer II, Member Growth, Top of Funnel (React/Next.js): Design and build scalable front-end features for member registration, authentication, onboarding, and provider matching with an accent on growth experimentation, A/B testing, and performance optimization. Focus on hardening architecture, resolving technical debt, improving reliability, and delivering high-impact user experiences at scale.

San Francisco, CA (Hybrid): Must be based in the San Francisco metro area or able to relocate independently within 90 days of start date. Expectation to be in the office 2–3 days per week at 2 Embarcadero Ctr. Occasional travel for team on-sites.

$207,000 - $233,000 base salary, plus stock options and benefits.

Company

Clinically validated mental health platform partnering with 450+ companies including Fortune 500, delivering personalized care to 10M people with $3.3B valuation post-Series E.

What you will do

• Design and build scalable front-end features using React, Next.js, and TypeScript, emphasizing engineering rigor and maintainability.
• Drive member growth via A/B experimentation, feature flagging, and conversion optimization with product and growth teams.
• Own and improve registration, authentication, onboarding, and provider matching flows for best-in-class experiences at scale.
• Harden front-end architecture by resolving technical debt, boosting reliability, reducing latency, and elevating code quality.
• Collaborate with product, design, data, and backend teams to ship high-impact features.
• Provide technical leadership in architecture, code reviews, planning; advocate for testing, observability, accessibility, performance, and documentation.
• Own delivery of complex projects, improve developer experience and tooling, participate in on-call, mentor engineers.

Requirements

• Deep expertise in React, Next.js, TypeScript: rendering strategies, state management, performance, component architecture.
• Proven ability to lead complex front-end projects from design to production independently.
• Experience with growth frameworks: A/B testing, feature flags, analytics (e.g., LaunchDarkly, Mixpanel).
• Track record improving systems for reliability, performance, scalability, maintainability.
• Work in cross-functional Agile teams with product and design.
• Familiarity with observability tools (Datadog, Sentry) and web performance (Core Web Vitals, bundle optimization).
• Strong problem-solving and attention to detail.

Nice to have

• Experience with growth initiatives, authentication, registration, or member onboarding.
• Experience in healthcare or mental health tech.

Culture & Benefits

• Health, Dental, Vision from day one; One Medical access, HSA/FSA with up to $1K contribution.
• 401(k) match up to 2%; unlimited therapist/coach/medication visits for you and dependents.
• Competitive PTO: vacation, sick leave, holidays; parental leave (18 weeks birthing, 16 weeks non-birthing).
• Noom weight management, Carrot fertility support + $4K reimbursement, Wellhub fitness, Bright Horizons childcare.
• $1K/year professional development reimbursement, $200/year donation matching.