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Senior Software Engineer

Manchester
5 days ago
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Senior Software Engineer – Secure, Mission-Critical Systems
📍 On-Site | 💷 £42,700 – £64,100 | 🧳 Relocation Assistance Available
UK Citizenship Required | 🔐 Must Hold UK-Highest Level Security Clearance

Code solutions that protect national security and shape tomorrow.

My client is seeking a Senior Software Engineer to contribute to high-impact projects across defence, intelligence, and cyber. You’ll design, build, and maintain critical backend and cloud-hosted systems using Java, Python, and/or JavaScript, collaborating within agile teams to deliver production-grade code.

This is an opportunity to work on deeply meaningful tech with complex engineering challenges in a secure, mission-focused environment.

🔧 What You’ll Do:



Develop software features hands-on, including code reviews and peer feedback

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Design scalable components aligned with the product roadmap and engineering standards

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Break down large initiatives into agile deliverables and mentor junior team members

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Support and manage CI/CD pipelines using modern DevOps tooling

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Demonstrate working solutions to customers and internal stakeholders

✅ What You’ll Bring:

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Strong experience coding in Java, JavaScript, or Python

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Familiarity with cloud platforms – AWS or Azure
Experience using tools like Jenkins, GitLab CI, Docker, Kubernetes, or OpenShift

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Understanding of modern databases: SQL, Elasticsearch, MongoDB

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Experience working in secure, regulated, or mission-critical environments

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Ability to work on-site and already holding UK highest-level security clearance

🌟 Nice to Have:

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Exposure to secure software lifecycle and threat modelling

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Agile/Scrum experience with iterative development

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Familiarity with observability tooling, REST APIs, or microservices

🧭 Why Join?

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Work on tech with direct national security impact

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9-day fortnight option (every other Friday off)

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Private healthcare, bonus schemes, training pathways

Be part of a growing, inclusive community building the future of defence & intelligence software

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National AI Awards 2025

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