Senior API Technical Consultant (GraphQL Specialist)

Staffworx; Slough; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

A leading technology consulting firm in the United Kingdom is seeking a Senior API Technical Consultant with expertise in GraphQL. In this key role, you'll design sophisticated GraphQL APIs and backend services using TypeScript and Node.js, ensuring their resilience and scalability. You will also lead the design of API schemas and champion best practices in automated testing and observability. If you have a strong background in DevOps tools such as Docker and Kubernetes, this position offers an opportunity to drive technical excellence in a cloud-native environment.

Qualifications

• Proven experience designing and building scalable GraphQL APIs.
• Strong background in TypeScript and Node.js development.
• Experience with DevOps tools and practices.

Responsibilities

• Design and build high-scale GraphQL APIs and backend services.
• Lead design and evolution of API schemas.
• Champion best practices in testing and observability.

Skills

GraphQL expertise

TypeScript

Node.js

DevOps practices

Automated testing

Tools

Docker

Kubernetes

Jenkins

Concourse

Job description

Senior API Technical Consultant (GraphQL Specialist)

Design and build next generation of high-scale SaaS platforms. We're looking for a senior / lead engineering consultant with deep expertise in GraphQL to take a leading role in developing our robust TypeScript / Node.js backend. You will be instrumental in shaping our technical direction, driving the evolution of our APIs, ensuring our services are resilient, scalable and secure within a cutting-edge, cloud-native environment (Helm, Kubernetes).

The Deliverables

Design and build sophisticated, scalable GraphQL APIs and backend services using TypeScript and Node.js.

Lead the design and evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform.

Champion best practice in code quality, automated testing (Vitest, Playwright) and observability to deliver resilient, maintainable, and production-ready business logic.

Drive DevOps excellence by collaborating on CI / CD pipelines (Jenkins, Concourse), containerisation (Docker) and Kubernetes deployments.

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