Rate: £520 per day Location: Corsham/Remote – 1 day every fortnight on-site Contract: Inside IR35 (Possible 6–12 months extension) Clearance: Active SC Clearance required (DV desirable) We’re seeking an experienced NodeJS Engineer to join a high-security Defence programme working on the Local Data Distribution Framework (LDDF) – a critical data integration platform enabling secure information sharing across Defence systems and domains. You’ll be part of a multi-disciplinary agile team responsible for developing, securing, and maintaining microservices that underpin MOD’s next-generation data fabric. Key Responsibilities Design, develop, and maintain Node.js microservices within the LDDF architecture. Implement secure RESTful APIs for data exchange across domains. Ensure all services meet MOD security, logging, and auditing standards. Work with DevOps engineers to containerise and deploy services via Kubernetes/OpenShift. Integrate with messaging systems (e.g., Kafka, RabbitMQ, or Azure Service Bus). Contribute to CI/CD pipelines and automated testing frameworks. Collaborate with architects, testers, and cyber security teams to ensure compliance and resilience. Essential Skills & Experience Node.js (advanced) – event-driven architecture, async programming TypeScript – strongly typed, enterprise-grade API development Express.js or NestJS – RESTful and modular service design Security-first development – OAuth2, JWT, TLS, secure logging Containerisation – Docker, Kubernetes, or OpenShift CI/CD – GitLab CI, Jenkins, or Azure DevOps pipelines Messaging / Integration – REST APIs, Kafka, RabbitMQ, or Service Bus Desirable Skills Knowledge of LDDF framework, MOD digital services, or Defence data standards Infrastructure as Code – Terraform or Ansible Experience with MODCloud, AWS, or Azure Testing frameworks: Jest, Mocha, Supertest Familiarity with JSP 440, NCSC Secure Coding Guidelines, or Defence Digital standards Security Clearance Active SC clearance is mandatory. Candidates eligible for DV clearance will be prioritised for longer-term roles. If you're interested in hearing more about the role, drop me a message or give me a call timi.oniwinde@sandersonplc.com | 020 4518 0659