Senior GraphQL API Developer for Third-Party Integrations

Summit Digital

Project-based · Remote · Flexible hours

About the role

We are enhancing a B2B SaaS product with a multi‑tenant architecture. The GraphQL API Developer will design and implement tenant‑aware endpoints, ensuring data isolation and performance at scale.

Key responsibilities

• Architect and develop GraphQL schemas for multi‑tenant usage
• Integrate with existing NodeJS services and REST APIs
• Write resolvers that enforce tenant context and security
• Collaborate with frontend React teams to define contract‑first APIs
• Implement testing, monitoring, and performance tuning for the API layer

Must-have skills

• Strong experience building GraphQL APIs in production
• Proficiency with NodeJS and modern JavaScript/TypeScript
• Understanding of multi‑tenant design patterns
• Ability to work with REST APIs and integrate data sources

Nice to have

• Experience with Apollo Server or similar frameworks
• Familiarity with AWS Lambda or serverless deployments
• Knowledge of CI/CD pipelines for API services