Senior Full Stack Engineer

Join the dynamic journey at Vynca, where we're passionate about transforming care for individuals with complex needs.

We’re more than just a team; we're a close-knit community. Our shared commitment to caring for each other and those we serve is what sets us apart. Guided by our unwavering core values:
Excellence, Compassion, Curiosity, and Integrity, we forge paths of success together. Join us in this transformative movement where you can contribute to making a profound difference every day.

At Vynca, our mission is to provide comprehensive care for more quality days at home.

We are looking for a Senior Full Stack Engineer with 5+ years of experience building production-grade applications across the stack. You will work on our Vynca Clinical solution, collaborating closely with design, product, and engineering teammates to deliver performant, secure, and user-friendly software that improves the delivery of high-touch care.

You’ll own features end-to-end—from backend APIs to frontend UI—and work across a modern stack that includes React, Type Script, FastAPI, and GraphQL. We are looking for someone excited by clean code, thoughtful design, and a strong sense of ownership in building product-focused software.

This is a hybrid position based in San Mateo, CA, with an expectation of working from the office 2 days per week.

• Design and implement GraphQL and RESTful APIs using FastAPI and Strawberry GraphQL.

• Build and maintain backend services to support UI features, authentication flows, and patient/provider workflows.

• Model data with SQLAlchemy and manage schema changes with Alembic.

• Integrate with third-party APIs (e.g., Health Gorilla, Salesforce, PVerify, Google APIs, Slack).

• Write unit and integration tests using Pytest and testcontainers.

• Maintain API security, access control, and logging practices.

• Event driven architecture, CQRS design patterns, HAPI FHIR Server, Full Text/Fuzzy Search & Semantic Search.

• Build and maintain features in a React + Type Script codebase using functional components and hooks.

• Implement responsive UI components using Material UI (MUI) and Emotion for styling.

• Manage client-side state using Redux Toolkit, Formik, and Yup.

• Integrate with backend services via GraphQL (Apollo Client) and REST APIs (Axios).

• Handle authentication flows with Auth
  0.

• Build protected and dynamic routes with react-router-dom.

• Write unit and integration tests using tools like Vitest, React Testing Library, Playwright and MSW.

• Implement features like file uploads, PDF generation (pdf-lib), digital signature capture, and custom surveys.

• Use Launch Darkly for feature flagging and Vite for builds and local dev.

• Bachelor’s degree in Computer Science or related field (advanced degree preferred).

• 5+ years of experience in full stack or frontend/backend development roles.

• Proficient in React and Type Script.

• Experience integrating GraphQL and REST APIs.

• Familiarity with backend frameworks such as FastAPI or similar.

• Knowledge of relational databases (PostgreSQL, MySQL) and ORMs like SQLAlchemy.

• Comfortable with git, monorepos, and Yarn or similar package managers.

• Testing experience on both frontend (Vitest, Testing Library) and backend (Pytest).

• Experience working in Agile teams using Jira and Scrum ceremonies.

• Experience with Strawberry GraphQL or Apollo Server, HAPI FHIR.

• Familiarity with Auth0 and OAuth-based authentication.

• Experience with document generation or PDF handling (e.g., pdf-lib, fpdf2, survey.js).

• Exposure to Slack bots, email validation, or healthcare-specific data models (FHIR, HL7).

• Experience with semantic search (e.g. typesense).

• Knowledge of building secure systems…