Lead Software Developer (SFIA 5) | NodeJS

Posted 4 hours 3 minutes ago by Layer7

Contract
Not Specified
I.T. & Communications Jobs
Lancashire, Manchester, United Kingdom, M21 0
Job Description

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 integration and migration projects across public sector systems.

  • Produce clear documentation and contribute to knowledge transfer across teams.

Essential Skills & Experience

  • Proven hands-on experience with Node.js Back End development.

  • Solid Java development experience (Spring Boot or similar).

  • Strong understanding of CI/CD pipelines (GitLab CI, GitHub Actions, Jenkins).

  • Demonstrable public sector experience, delivering to GDS Service Standards

  • Strong experience with API development (REST/GraphQL) and microservice design

  • Knowledge of automated testing frameworks (Mocha, Jest, Supertest).

  • Familiarity with containerisation (Docker, Kubernetes desirable).

  • Experience with secure coding practices and working with sensitive data.

  • Strong Git experience (GitLab, GitHub, branching strategies, code reviews).

  • Exposure to serverless or cloud-native architectures (AWS Lambda, API Gateway).

  • Knowledge of logging and monitoring tools (ELK Stack, Grafana, CloudWatch).

  • Understanding of GDS Technology Code of Practice and DDaT frameworks.

Additional Information

  • BPSS is essential