Java/Node.js Developers - Contract

• Design, develop, and maintain scalable Back End services using Java (Spring Boot) and/or Node.js
• Deliver solutions in line with government digital standards and secure coding practices
• Collaborate with architects, product owners, and multi-disciplinary teams
• Build and integrate APIs (RESTful/microservices architecture)
• Write clean, maintainable, and testable code following best practices
• Participate in code reviews, agile ceremonies, and continuous improvement initiatives
• Troubleshoot and resolve issues across environments
• Ensure solutions meet security, accessibility, and compliance requirements typical of public sector projects

• Strong experience with either:

• Java (Spring Boot/Spring ecosystem), or
• Node.js (Express, NestJS or similar frameworks)

• Proven experience building microservices-based architectures
• Experience working on UK Government/Public Sector projects (essential)
• Familiarity with GDS (Government Digital Service) standards and service assessments
• Strong experience with REST API design and integration
• Experience with cloud platforms (AWS, Azure, or GCP), ideally in secure environments
• Understanding of CI/CD pipelines and DevOps practices
• Experience with containerisation (Docker, Kubernetes preferred)
• Strong understanding of Git version control
• Experience working in Agile/Scrum delivery teams
• Strong awareness of security, compliance, and accessibility standards (eg, WCAG)

Desirable Skills

• Experience with both Java and Node.js
• Knowledge of event-driven architecture (Kafka, RabbitMQ, etc.)
• Previous work on high-security or regulated government programmes
• Exposure to Identity & Access Management solutions (eg, OAuth, SSO)
• Front End experience (React, Angular)
• Experience with Infrastructure as Code (Terraform, ARM)
• Active or previous UK Government security clearance (eg, SC Cleared)

Working Arrangement

• Remote-first with occasional travel to client site
• Must be able to work within UK business hours
• Candidates must be eligible to work on UK government projects

Candidate Profile

• Experience delivering in public sector environments
• Strong communicator, comfortable working in distributed teams
• Proactive and delivery-focused with a strong sense of ownership
• Able to quickly adapt to complex and highly regulated environments
• Comfortable engaging with both technical and non-technical stakeholders