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Software Engineer / Senior Software Engineer in Gloucestershire

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Job Description

Software Engineer / Senior Software Engineer

Level: £42,000 – £70,000 (depending on level) + bonus and benefits

Location: Gloucester, UK | Hybrid & flexible working options

Function: Software Engineering | Data Processing | Cloud Development

Industry: Public Sector | Security | Defence


Deliver software that safeguards communities. Contribute to projects that protect children, counter terrorism, and tackle serious organised crime.


Our client’s Security team in Gloucester is expanding and seeking Software Engineers and Senior Software Engineers. You’ll develop, test, and maintain software critical to security, collaborate with analysts and engineers, mentor junior colleagues, and contribute to technology and cyber initiatives.


About the Role

As a Software Engineer or Senior Software Engineer, you’ll design, code, test, and document software systems that support security operations. You’ll work across teams to ensure reliability, security, and performance. Senior engineers will additionally provide technical leadership, oversee design decisions, and mentor junior developers.


What You’ll Be Doing

  • Designing, coding, testing, and documenting software programs for engineered information and communications systems
  • Estimating development effort for software projects and delivering solutions on time
  • Working on data processing applications and AWS Cloud infrastructure
  • Mentoring junior developers and providing technical oversight (Senior level)
  • Analysing code defects and implementing timely fixes to maintain system reliability


Ideal Background

  • Strong back-end development experience in Java, JavaScript, Node.js, Python, or C/C++
  • Passion for solving complex technical problems supporting child protection, counter-terrorism, and serious organised crime
  • Desire to continuously learn and develop new skills
  • Knowledge of cloud engineering (AWS, Docker, Microservices) is desirable but not essential
  • Comfortable working in Agile teams, sharing knowledge, and mentoring peers


What You’ll Receive

  • Software Engineers: £42,000 – £62,000
  • Senior Software Engineers: £60,000 – £70,000
  • £5,000 referral bonus
  • Hybrid and flexible working arrangements
  • Career progression and professional development and certifications
  • Opportunities to engage in community tech and cyber initiatives
  • Inclusive culture valuing , merit, and integrity


Who Should Apply

This role suits back-end or full-stack developers with Java, JavaScript, Node.js, Python, or C/C++ experience who want to make a tangible impact on security. You should enjoy collaborating in Agile teams, mentoring others, and be eligible for UK security vetting.

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.

Software Engineer / Senior Software Engineer in Gloucestershire

England, UK
Full time

Published on 02/21/2026

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