Location: Remote/Occasional Travel Manchester Duration: 6 months Day Rate: £575 per day (Inside IR35) Clearance: BPSS Required Experience: Public Sector experience mandatory Overview We are seeking an experienced Full Stack Developer (Node.js/Java) to join a high-profile public sector programme operating to GDS Service Standard and DDaT capability guidelines. The successful candidate will play a key role in the design, build, and optimisation of scalable APIs and microservices within a secure, agile, and user-centred delivery environment. This role suits a collaborative engineer comfortable working across multi-disciplinary teams, contributing to CI/CD practices, and ensuring solutions adhere to secure-by-design principles. Tech Stack AWS (EC2, Lambda, S3, SQS, ECR, DocumentDB) Node.js and TypeScript Docker and Kubernetes GitLab (source control and CI/CD pipelines) Infrastructure as Code using Terraform Cloud-native and serverless architecture Event-driven and microservices-based systems Key Responsibilities Design, develop, and maintain scalable Back End services and APIs using Node.js and Java Contribute to CI/CD pipelines (GitLab CI, GitHub Actions, or equivalent). Work in alignment with GDS Service Standards and DDaT frameworks Implement automated testing and maintain high code quality across delivery teams. Collaborate closely with DevOps Engineers, Architects, and Product Managers to ensure performant, secure solutions. Support integratio