GraphQL API Developer for Third-Party Integrations

SwiftTask Agency

Freelance · Remote · Flexible hours

About the role

We are launching a new SaaS product that relies on a high‑performance GraphQL API. You will design, implement, and optimize the API layer, ensuring seamless data flow between our front‑end React applications and backend services.

Key responsibilities

• Design and develop a GraphQL schema aligned with business requirements
• Implement resolvers using NodeJS and integrate with existing REST endpoints
• Write unit and integration tests to guarantee reliability
• Collaborate with front‑end developers to fine‑tune queries for performance
• Document API endpoints and usage guidelines

Must-have skills

• Strong experience building GraphQL APIs
• Proficiency in NodeJS and Express
• Solid understanding of REST API concepts
• Hands‑on experience with React integration

Nice to have

• Familiarity with authentication mechanisms (OAuth, JWT)
• Experience with serverless deployment (AWS Lambda, Vercel)