Sr. Full-Stack Engineer

*Native/Bilingual English is required for this role (read/written/spoken) Please upload your CV Resume in English.Monthly salary: $4,000 - $5,000 USDThe Ideal Candidate:Along with our partner, we are seeking a self-driven engineer who's passionate about using technology to improve healthcare outcomes, and who embodies the values described above.You're not just here to write code—you're here to make things better.You take real ownership, move fast, and care deeply about the impact of your work.Instead of just "closing tickets," you ask questions, challenge assumptions, and look for smarter ways to solve problems that matter.You connect what you build to business outcomes —like improving patient care, speeding up clinical workflows, or scaling global access to healthcare.You love diving into the unknown, learning fast, and collaborating as an equal partner across design, product, and AI teams.If you get energy from ownership, curiosity, and building for impact, you'll feel right at home here.What You'll Work On:AI-Powered Healthcare Products: You will build and scale their AI symptom checker (10M+ MAU in US/Japan), Doctor's Note, Checkup monitoring tools, and LLM-powered services for both consumers and healthcare providers.Healthcare SaaS for HCPs: Design and launch new SaaS products for healthcare providers (HCPs), enabling improved clinical workflows, patient data insights, and AI-assisted decision support.LLM-Native Environment: Operate in an LLM-native product environment, where LLMs are deeply integrated across consumer- and provider-facing products as well as into the development process itself (AI-assisted coding, automated testing, knowledge retrieval, and experimentation).Full-Stack & LLM Development: Work across frontend (React, Next.js, React Native), backend (Node.js, TypeScript), and infrastructure layers while integrating LLM capabilities (prompt engineering, retrieval-augmented generation, LangChain/LangGraph orchestration) into user-facing applications.Data-Driven Solutions: Contribute to data analysis initiatives that directly impact user experience, health outcomes, and provider efficiency by leveraging structured (EHR/claims) and unstructured (clinical notes, patient conversations) data.Global Impact: Develop products that guide millions of users to appropriate healthcare worldwide, while building provider-first solutions that scale across different healthcare systems.What We're Looking For:Technical Requirements (Must-Have)5+ years of software engineering experienceFull-stack expertise across all layers:Frontend: React, Next.jsBackend: Node.js, TypeScriptDatabase: SQLData analysis experience - ability to derive insights from user data and metricsExperience building scalable web applications in fast-paced environmentsStrong problem-solving skills and attention to code qualityBusiness-level or higher English proficiencyAt least 4 hours of overlap with NYC time zone (9am-5pm EST)Nice to HaveExperience working in a startup environmentSaaS product development experienceExperience with AI or LLM-powered product developmentHealthcare industry experienceExperience with global, cross-cultural teamsOur CultureAdaptable: We thrive in change—experiment quickly, learn constantly, and keep improving.Impact-Oriented: We focus on work that drives measurable value for users and the business.Ownership-Minded: We take initiative, think end-to-end, and deeply care about solving real user problems.Humble: We put mission over ego, embrace feedback, and celebrate shared success.Curious: We question assumptions, explore bold ideas, and never stop learning.Collaborative: We build trust through open, candid, and respectful communication.What Makes This Role Special:Autonomous Organization: Our partner applies Holacracy - no traditional management hierarchyGlobal Impact: Your code will directly impact millions of users' healthcare decisionsPartnership with Tech Giants: They partner with Google to enhance AI capabilitiesDesign Partnership: Collaborate with IDEO/D4V for human-centered designLearning Culture: Work with a cross-functional team spanning multiple time zonesWork Style & Culture:Cross-functional collaboration: Work directly with designers, product owners, and clinical consultantsData-driven decisions: Regular user interviews and metric-based iterationsFast experimentation: Quick prototype ? test ? learn cyclesDirect communication: Open, honest feedback culturePurpose-driven: Every feature connects to our healthcare missionTech Stack Details:FrontendTypeScriptReact, Next.jsTailwind.cssBackendTypeScriptNest.jsGraphQL, Apollo Federation (APIs)LLM & AILarge language models (Gemini, Claude, GPT, etc)LangChain/LangGraph (backend)Prompt engineering for healthcareDatabase & Data AnalysisSQL databases (CloudSQL(Postgres)/Spanner/AlloyDB)RedisBigQueryData analysis tools and frameworks (LightDash/Looker Studio)InfrastructureGCPGithub EnterpriseCI/CD pipelines (Github Action / Cloud Build)Monitoring and observability tools (Sentry)Development EnvironmentVS Code / CursorClaude Code, Gemini CLI, and Codex for AI-assisted developmentCollaborative development tools and pair programmingThink you're a match?You naturally take ownership of problems end-to-endYou genuinely care about understanding user needsYou thrive in ambiguous, fast-moving environmentsYou want your technical skills to directly impact global healthBenefits:A fully remote position with a structured schedule that supports work-life balance.The opportunity to contribute to a global health-tech leader transforming healthcare through AI-powered solutions.Two weeks of paid vacation per year.10 paid days for local holidays.*Please note our partner is only looking for full-time dedicated team members who are eager to fully integrate within their team.