Sr. Full-Stack Engineer (Node/NestJS + React/Next.js)

Welle is a next-generation proactive health platform helping people live healthier, longer, and better. We combine advanced diagnostics, personalized therapeutics, and adaptive coaching to deliver whole-health programs for individuals and organizations.

We’re a funded, mission-driven team building real products for real users. This is an opportunity to work on meaningful healthcare technology with a team that values ownership, speed, and high standards.

This is a high-ownership, hands‑on engineering role for someone who has already built, shipped, and supported real systems in production. You’ll own features end‑to‑end, contribute to technical decisions, and work closely with a distributed team to turn business needs into reliable, scalable software.

This role is also stakeholder‑facing. You should be comfortable joining discovery calls, participating in sprint reviews and demos, and clearly explaining technical tradeoffs to non‑technical aud...