Senior Full Stack Engineer

Vynca

Senior Full Stack Engineer building Vynca Clinical software for complex-care delivery. Owning React, TypeScript, Python, FastAPI, and GraphQL features end-to-end.

Posted 9/11/2026full-timeSan Mateo • California • 🇺🇸 United StatesSenior💰 $160,000 - $180,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in building production-grade applications across the full stack, with a strong focus on integrating GraphQL and RESTful APIs, and proficiency in React and TypeScript. Capable of managing backend services, ensuring API security, and collaborating effectively within Agile teams in the healthcare technology sector.

Highest-signal resume keywords

Full Stack DevelopmentReact and TypeScript ProficiencyGraphQL and REST API IntegrationPython/FastAPI ExperienceAgile Methodologies

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

GraphQLREST APIsFastAPISQLAlchemyPostgreSQLMySQLPythonVitestTesting LibraryUnit and Integration Testing

Soft Skills

CollaborationCommunicationProblem-Solving

Tools & Technologies

GitYarnJiraApollo ClientMaterial UIEmotionLaunchDarklyViteAuth0Slack

Certifications & Qualifications

Bachelor’s Degree in Computer Science or Related Field

Industry Keywords

HealthcareHealth TechHIPAA ComplianceRegulated IndustryEvent-Driven ArchitectureCQRS Design PatternsHAPI FHIR ServerSemantic Search

Tech Stack

Tools & technologies

ApolloGraphQLMaterial UIMySQLPostgresPythonReactReduxTypeScriptYarn

About the role

Key responsibilities & impact

Build production-grade applications across the full stack for Vynca Clinical
Own features end-to-end, from backend APIs to frontend UI
Collaborate with design, product, and engineering teammates
Design and implement GraphQL and RESTful APIs using FastAPI and Strawberry GraphQL
Build and maintain backend services supporting UI features, authentication flows, and patient/provider workflows
Model data with SQLAlchemy and manage schema changes with Alembic
Integrate with third-party APIs including HealthGorilla, Salesforce, PVerify, Google APIs, and Slack
Write unit and integration tests using Pytest and testcontainers
Maintain API security, access control, and logging practices
Work with event-driven architecture, CQRS design patterns, HAPI FHIR Server, full-text/fuzzy search, and semantic search
Build and maintain React and TypeScript features using functional components and hooks
Implement responsive UI components with Material UI and Emotion
Manage client-side state using Redux Toolkit, Formik, and Yup
Integrate backend services through Apollo Client, GraphQL, REST APIs, and Axios
Handle authentication flows with Auth0
Build protected and dynamic routes with react-router-dom
Write frontend unit and integration tests using Vitest, React Testing Library, Playwright, and MSW
Implement file uploads, PDF generation, digital signature capture, and custom surveys
Use LaunchDarkly for feature flagging and Vite for builds and local development
Participate in phone screens, online assessments, interviews, offers, and background/reference checks as applicable
Perform essential duties using computer, laptop, video-conferencing, and occasional physical activities; occasional travel may be required

Requirements

What you’ll need

Bachelor’s degree in Computer Science or related field
5+ years of experience in full stack or frontend/backend development roles
Proficiency in React and TypeScript
Experience integrating GraphQL and REST APIs
Familiarity with backend frameworks such as FastAPI or similar
Knowledge of relational databases, including PostgreSQL and MySQL
Experience with ORMs such as SQLAlchemy
Comfortable with Git, monorepos, and Yarn or similar package managers
Frontend testing experience with Vitest and Testing Library
Backend testing experience with Pytest
Experience working in Agile teams using Jira and Scrum ceremonies
Experience with healthcare, health tech, or another regulated industry
Professional experience with Python/FastAPI and REST or GraphQL APIs
Must be legally authorized to work in the United States
Must be willing and able to travel to the San Mateo, CA office at least 2 days per week
Advanced degree preferred
Experience with Strawberry GraphQL or Apollo Server and HAPI FHIR preferred
Familiarity with Auth0 and OAuth-based authentication preferred
Experience with document generation or PDF handling preferred
Exposure to Slack bots, email validation, or healthcare-specific data models preferred
Experience with semantic search preferred
Knowledge of secure systems adhering to law governance standards such as HIPPA preferred

Benefits

Comp & perks

Equity
Medical insurance
Dental insurance
Vision insurance
Income protection benefits
Flexible PTO
Company holidays
401(k)
Wellness benefits
Background/reference checks as part of the hiring process
Mileage reimbursement for field roles according to IRS guidelines