GraphQL API Developer for Multi-Region Public API Rollout

Keystone Digital

Part-time · Remote · Flexible hours

About the role

We are preparing a new app store launch and need a GraphQL API Developer to bridge our mobile front‑end with backend services. The work focuses on aligning data contracts, optimizing query performance, and ensuring seamless integration with our upcoming mobile app.

Key responsibilities

• Design and implement GraphQL schemas that reflect mobile data needs
• Integrate GraphQL endpoints with existing NodeJS services
• Collaborate with React developers to fine‑tune queries for performance
• Write unit and integration tests for API reliability
• Document API usage and versioning for the mobile team

Must-have skills

• Strong experience building GraphQL APIs in production
• Proficiency with NodeJS and REST API concepts
• Ability to work closely with React front‑ends
• Understanding of mobile‑backend data flow and caching strategies

Nice to have

• Familiarity with Apollo Server or similar GraphQL tooling
• Experience deploying services on cloud platforms