GraphQL API Developer Needed for Enterprise Third-Party Integrations

TechFlow Inc

Contract · Remote · Flexible hours

About the role

TechFlow Inc is revamping its legacy transaction engine, codenamed "PulseStream", to achieve zero‑downtime deployments. As a GraphQL API Developer you will redesign the data layer, replace aging SOAP endpoints, and ensure seamless client migration while keeping production traffic uninterrupted.

Key responsibilities

• Design and implement a new GraphQL schema for the PulseStream module using Apollo Server.
• Migrate existing REST and SOAP services to GraphQL resolvers with TypeScript typings.
• Set up CI pipelines in GitHub Actions for automated schema validation and zero‑downtime rollout.
• Implement data‑loader batching and caching to meet sub‑millisecond latency targets.
• Collaborate with DevOps to configure blue‑green deployments on Kubernetes.
• Write integration tests with Jest and GraphQL Playground to verify end‑to‑end behavior before each release.

Must-have skills

• Strong experience building production GraphQL APIs (Apollo or similar).
• Proficiency in NodeJS and modern JavaScript (ES6+).
• Solid understanding of REST principles and migration patterns.
• Familiarity with CI/CD tools, especially GitHub Actions.
• Ability to troubleshoot performance bottlenecks in a high‑throughput environment.

Nice to have

• Experience with Kubernetes and blue‑green deployment strategies.
• Knowledge of TypeScript and data‑loader patterns.