GraphQL API Developer Needed for GraphQL Schema Design Engagement

LumenWorks

Part-time · Remote · Flexible hours

About the role

LumenWorks is expanding its B2B SaaS platform with a new multi‑tenant capability. We need a GraphQL API Developer to design, implement, and fine‑tune the tenant isolation layer while keeping existing services stable.

Key responsibilities

• Architect and build a multi‑tenant GraphQL schema that supports per‑client data segregation
• Integrate GraphQL resolvers with existing Node.js services and REST endpoints
• Write unit and integration tests to ensure schema correctness across tenants
• Collaborate with product and frontend teams to define API contracts
• Monitor performance and optimize queries for scalability

Must-have skills

• Strong experience building GraphQL APIs in Node.js
• Proficiency with React for consuming GraphQL queries
• Solid understanding of REST API patterns and integration
• Familiarity with multi‑tenant architecture and security considerations

Nice to have

• Experience with Apollo Server or similar tooling
• Knowledge of Docker/Kubernetes for local development
• Background in B2B SaaS product development