Senior Full-Stack Engineer: Build Impactful CareTech Platforms

Vynca; San Mateo (CA); Hybrid; USD 180,000 - 240,000; Full time

Job summary

Vynca is seeking a Senior Full Stack Engineer in San Mateo, CA to help build production-grade care software. You’ll own features from backend APIs to frontend UI on a modern stack (React, TypeScript, FastAPI, GraphQL) with strong ownership and quality in mind.

Join a hybrid team that collaborates with design, product, and engineering to deliver secure, scalable solutions that improve high-touch care. 5+ years of experience required.

Qualifications

• 5+ years of experience in full stack or frontend/backend development roles.
• Proficient in React and TypeScript.
• Experience integrating GraphQL and REST APIs.
• Familiarity with backend frameworks such as FastAPI.
• 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.

Responsibilities

• 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., HealthGorilla, 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.

Skills

React

TypeScript

Python

FastAPI

GraphQL

SQLAlchemy

REST APIs

Unit testing

Education

Bachelor's degree in Computer Science or related field

Tools

Apollo Client

Strawberry GraphQL

MUI

Emotion

Formik

Yup

Vite

MSW

Testing Library

Vitest

pdf-lib

LaunchDarkly

Docker

GitHub Actions

Poetry

testcontainers

Jira

Scrum

Job description

Vynca is seeking a Senior Full Stack Engineer in San Mateo, CA to help build production-grade care software. You’ll own features from backend APIs to frontend UI on a modern stack (React, TypeScript, FastAPI, GraphQL) with strong ownership and quality in mind.

Join a hybrid team that collaborates with design, product, and engineering to deliver secure, scalable solutions that improve high-touch care. 5+ years of experience required.