Senior GraphQL API Developer for API Gateway Setup Overhaul

Keystone Digital

Contract · Remote · Flexible hours

About the role

Keystone Digital is launching a new product line and needs a GraphQL API Developer to boost test automation. You will design and extend our GraphQL layer while embedding automated regression checks to safeguard release quality.

Key responsibilities

• Design, implement, and optimize GraphQL schemas and resolvers.
• Integrate automated test suites (e.g., Cypress, Playwright) with API endpoints.
• Collaborate with QA engineers to define regression risk metrics.
• Maintain CI pipelines that trigger API tests on every commit.
• Document API contracts and testing strategies for the broader team.

Must-have skills

• Strong experience building GraphQL APIs in NodeJS.
• Proficiency with React for test UI components.
• Deep understanding of REST API concepts and integration.
• Hands‑on knowledge of test automation frameworks.

Nice to have

• Familiarity with Docker or containerised test environments.
• Experience with performance testing of GraphQL queries.