Application Developer – SC Cleared

JR United Kingdom; City Of London; Hybrid; GBP 50,000 - 70,000; Full time

Job summary

A leading company in secure communications is seeking a Developer/Platform Engineer with active SC clearance for a 12-month+ hybrid contract in London. You will work at the intersection of real-time collaboration and infrastructure automation, engaging with modern tech stacks to develop effective communication platforms. Join us to make a significant impact while collaborating with forward-thinking teams in a flexible work environment.

Benefits

12-month+ contract with hybrid flexibility

Engage with a modern tech stack

Collaborate on secure, cutting-edge communication platforms

Join a critical programme making a real-world impact

Qualifications

• Strong hands-on experience with Docker & Kubernetes in live production environments.
• 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.

Responsibilities

• Develop and deploy containerised applications using Docker and Kubernetes.
• Build scalable, secure deployment architectures for real-time communication.
• Automate deployments and CI/CD pipelines using GitLab CI, Jenkins, or ArgoCD.
• Document everything from architecture and configuration to custom builds.

Skills

Docker

Kubernetes

Linux systems

Network configuration

Firewalls

CI/CD

MongoDB

PostgreSQL

Redis

Job description

Social network you want to login/join with:

Application Developer – SC Cleared, london (city of london)

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Client:

Location:

london (city of london), United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

3

Posted:

16.06.2025

Expiry Date:

31.07.2025

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Job Description:

? Hybrid: 3 days on-site (London SW1A), 2 days remote

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 managestack 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
• 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
• Engage with a modern tech stack and forward-thinking teams

? Apply now or message us directly to learn more.