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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 ).

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.

The Role:

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.

Key Responsibilities:

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.Technology Exposure:

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, Neo4JAbout You (The Ideal Candidate):

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 and eligible to obtain UK Security Clearance (which typically requires 10+ years of continuous in the UK).Desirable Experience:

Previous work on Defence, Cyber Security, or Government projects.

Understanding of secure software design principles.

Experience in full-stack or cloud- development.What's on Offer:

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.Why Apply?

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

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.