Job Title: Senior Developer (NodeJS) Contract: 6 months Location: London Area, UK Join our team responsible for building and maintaining high-scale OTT SaaS platforms for. and client. You will work on robust TypeScript/Node.js backends, GraphQL APIs, and cloud-native deployments (Helm, Kubernetes), contributing to resilient, well-tested business logic and infrastructure. What you''ll do: Architect, develop, and maintain scalable TypeScript/Node.js services and GraphQL APIs. Write resilient, maintainable code with a strong focus on automated testing (unit, integration, functional, end-to-end, visual regression, Lighthouse). Collaborate on DevOps practices: CI/CD (Jenkins, Concourse), containerisation, Helm chart authoring, and Kubernetes deployments. Work within a cross-functional Agile team, contributing to technical direction, code reviews, and process improvements. Ensure code is performant, secure, observable, and aligned with best practices. Mentor and support junior developers, fostering a culture of technical excellence. What you''ll bring: Extensive experience with TypeScript and Node.js in production environments. Strong knowledge of GraphQL (API design, schema evolution, integration). Experience with automated testing frameworks (Vitest, Playwright, Jest). Familiarity with DevOps tooling: Docker, Helm, Kubernetes, CI/CD pipelines. Experience with cloud-native architectures and infrastructure-as-code. Ability to drive improvements across the codebase and in