Senior GraphQL API Developer Needed for REST Layer Refactor Delivery

Silverline Labs

Project-based · Remote · Flexible hours

About the role

Silverline Labs is orchestrating a critical integration effort linking billing, CRM, and internal services. We need a GraphQL API Developer to design a unified data layer that streamlines cross‑system communication while maintaining high performance.

Key responsibilities

• Architect and implement a GraphQL gateway that aggregates billing, CRM, and internal APIs.
• Translate existing REST endpoints into GraphQL schemas and resolvers.
• Collaborate with frontend engineers to expose query‑friendly data shapes.
• Ensure secure authentication and authorization across all integrated services.
• Write comprehensive tests and documentation for the new API layer.

Must-have skills

• Proven experience building production GraphQL services.
• Strong NodeJS background with REST API knowledge.
• Familiarity with React consumption patterns for GraphQL.
• Understanding of OAuth/JWT security models.

Nice to have

• Experience with billing platforms (e.g., Stripe, Zuora).
• Knowledge of CRM systems (e.g., Salesforce, HubSpot).
• Prior work on micro‑service orchestration.