It Engineer jobs in United Kingdom

Role: Senior Software Engineer
Locations: Gloucestershire Manchester London (Hybrid / Remote Options Available)
Salary: 40,000 - 75,000 + Comprehensive Benefits
Type: Full-time, Permanent

PLEASE NOTE: This role requires UK citizenship and the ability to obtain high-level UK Security Clearance (typically requiring 10+ years of UK residency).

Are you a skilled Software Engineer looking to apply your talents to mission-critical problems? Do you want to build secure, high-assurance systems that have a genuine impact on national security?

On behalf of our client, a specialist UK technology company at the forefront of defence and cyber security innovation, we are seeking a talented Software Engineer to join their core team. This is an opportunity to work on innovative projects within a culture that blends enterprise-grade engineering with the agility of a start-up.

As a Software Engineer, you will be integral to the design, development, and maintenance of secure, scalable software platforms for government and defence clients. You'll work within multi-disciplinary teams, contributing to the entire software lifecycle while upholding the highest standards of engineering and security.

• Design, build, and maintain robust and secure software solutions.
• Collaborate with teams across cloud, data, and infrastructure domains.
• Contribute to all phases of the software development lifecycle.
• Uphold and advocate for strong engineering, testing, and security principles.

You will have the opportunity to work with a modern and varied tech stack, including:

• Backend: Java, Python
• Frontend: TypeScript, React, Angular, Vue
• Cloud & Infrastructure: AWS, Azure, Docker, Kubernetes
• Data: Elasticsearch, Neo4J

• A technically curious and adaptable software engineer with experience across modern technology stacks.
• Proven experience in software engineering; background in secure or regulated environments is highly desirable.
• A strong communicator who thrives in collaborative, high-autonomy teams.
• Must be a UK Citizen and eligible to obtain UK Security Clearance (which typically requires 10+ years of continuous residency in the UK).

• Previous work on Defence, Cyber Security, or Government projects.
• Understanding of secure software design principles.
• Experience in full-stack or cloud-native development.

In return for your expertise, you will receive a highly competitive package and unparalleled opportunities for growth in a critical sector.

• Generous pension with an 8% employer contribution.
• BUPA private health cover.
• Life insurance cover of 4x your salary.
• 25 days holiday + bank holidays, with the option to buy/sell up to 5 days.
• Electric Vehicle car scheme via salary sacrifice.
• EMI Share Scheme, giving you a stake in the company's success.
• 10 days of dedicated training allowance per year and a tailored career development plan.
• Flexible working hours and remote working options.

This is more than just another software role. You will be working on projects with real national impact, using Innovative -edge technology to solve complex challenges. You'll join a fast-growing, people-first company that invests in its team, offering clear progression, fantastic benefits, and a supportive, flexible environment where your input truly matters.