Contract Opportunity: Application Developer – SC Cleared Hybrid: 3 days on-site (London SW1A), 2 days remote Start: ASAP | Contract until March 2026 Outside IR35 | £550 per day We’re hiring a Developer / Platform Engineer with active SC clearance to help deliver and maintain scalable, secure, and flexible communication platforms for a critical national programme. This is a unique opportunity to work at the intersection of real-time collaboration, containerisation, and infrastructure automation, supporting a big governmental programme focussing on the secured communications platform. WHAT YOU WILL DO Develop and deploy containerised applications using Docker and Kubernetes Customise and manage stack of secured communications platforms Build scalable, secure deployment architectures for real-time communication Automate deployments and CI/CD pipelines using GitLab CI, Jenkins, or ArgoCD Create custom integrations, plugins, bots, and SSO/LDAP connectors Harden, secure, and monitor platforms with TLS, OAuth2, RBAC, and Zero Trust principles Troubleshoot and support complex platform deployments Collaborate with DevOps, AppSec, and engineering teams Document everything from architecture and configuration to custom builds WHAT YOU NEED TO BE SUCCESFUL Strong hands-on experience with Docker & Kubernetes in live production environments Scripting/programming skills – JavaScript/Node.js, Python, or Bash Experience with Linux systems, network configuration, and firewalls Familiarity with CI/CD pipelines and tools (GitOps, ArgoCD, Helm) Experience with MongoDB, PostgreSQL, Redis and secure back-end infrastructure ✅ Why Apply? Collaborate on secure, cutting-edge communication platforms Join a critical programme making a real-world impact 12-month contract with hybrid flexibility Outside IR35 | £550/day Engage with a modern tech stack and forward-thinking teams Apply now or message us directly to learn more.