22 of 22 Permanent Software Engineering Jobs in Gloucester

Software Engineer Location: Gloucester (hybrid - 3 days a week in office) Salary: Up to £62,000 (depending on experience) + £7,000 bonus We’re looking for talented Software Engineers (2+ years experience) to join a growing team delivering cutting-edge solutions within the UK National Security space. You’ll work on technically complex systems that directly contribute … to national-level projects, surrounded by a collaborative engineering culture that values innovation, learning and impact. NOTE: Due to the nature of this client's work, candidates must be eligible for UK Developed Vetting (DV) security clearance. What you’ll be doing Designing, developing, testing and deploying robust software systems in a secure environment. Collaborating with multi-disciplinary … teams to deliver high-integrity, high-availability applications. Supporting code reviews, debugging, and issue resolution within an Agile delivery model. Working with modern cloud and software engineering practices to build scalable systems. Contributing to a culture of continual improvement, mentoring and knowledge-sharing. About you - Tech stack You have at least 2 years’ hands-on, commercial software More ❯

Software Engineers Package - £55,000 - £85,000 (depending in experience level) Benefits – DV Bonus plus excellent benefits Clearance - Cleared to eDV level Location – Cheltenham or Manchester Join a trusted leader in National Security technology solutions. Do you enjoy solving technical cyber problems and identifying vulnerabilities? As part of our client's expanding National Security division, you'll contribute to … individuals who excel at dissecting technical systems, not just to understand how they work, but to identify weaknesses, assess risks, and develop mitigation strategies. What You'll Be Doing Software analysis and reverse engineering of compiled or interpreted code that could be obfuscated or defensively structured, for either x86/x64 or ARM processor architectures. Reverse engineering a wide range of technologies to uncover vulnerabilities and improve security including operating systems and/or firmware internals, security architectures and hardware abstraction. Engineering software from design to delivery in modern IDEs and languages, using Agile delivery. Creating tested and testable code. Integrating with automated verification systems, CI and CD pipelines. Working closely with cybersecurity teams More ❯

Software Engineer Gloucester - Hybrid £40-60k plus package Our client, a leading UK Digital Intelligence organisation, is currently seeking a Software Engineer to work on critical National Security projects that help protect nations, governments and businesses against evolving digital threats and challenges in the most demanding environments. As a Software Engineer you will: Design, code, test … correct and document simple programs, and assist in the implementation of software Work with a focus towards Data Processing solutions Contribute to AWS Cloud infrastructure projects Logically analyse code defects and produce timely code fixes Have opportunities to mentor junior level developers, providing oversight where applicable The Software Engineer will have: Strong understanding of back-end programming languages … Java, C++, Node.JS, Python, C The desire to solve complex technical problems, helping customers achieve their goals Knowledge of cloud engineering such as AWS, Docker, Microservices Expereince with Agile ways of working The Package: £40-60k base salary Discretionary bonus Pension scheme Private medical care Applicants MUST have the unrestricted right to work in the UK and be More ❯

Software Engineers – National Security | Gloucester | Up to £70k + Package | DV/SC Clearance Required I’m hiring Software Engineers to join one of the UK’s leading secure technology teams — delivering software solutions that protect national interests and support the UK’s most critical missions. If you’re looking for meaningful engineering work — where your … technologies, data, and secure cloud systems Opportunities to progress into technical leadership or architecture This suits engineers who enjoy varied, high-stakes problem solving , value the rigour of secure software engineering, and want to work in teams where precision and purpose matter. If you’re eligible for DV or SC and want to apply your software skills More ❯

Software Engineer – Defence/National Security Location: Gloucester | Hybrid Working Available Salary: £45,000 - £62,000 + package Are you looking to apply your software engineering skills to projects that truly make a difference? This organisation is a global leader in digital, cyber, and intelligence solutions, working at the forefront of national security, defence, and technology innovation. … to harness complex data, strengthen cyber resilience, and create secure digital systems in some of the most challenging environments. About the Role Due to continued growth, we are seeking Software Engineers to join a fast-growing team in Gloucester, delivering mission-critical solutions for National Security clients. You’ll work on meaningful projects that directly contribute to safeguarding the … UK, while also having the opportunity to engage with community initiatives designed to inspire and develop the next generation of tech talent. Designing, coding, testing, and documenting software as part of complex systems. Providing accurate estimates for development work and delivering to agreed timelines. Supporting data processing and cloud-based projects, particularly within AWS environments. Analysing code defects and More ❯

Software Engineer (Python) £40000-60000 GBP Hybrid WORKING Location: Gloucester, South West - United Kingdom Type: Permanent Software Engineer (Python) Gloucester - Hybrid £40-60k plus package Our client, a leading UK Digital Intelligence organisation, is currently seeking a Software Engineer to work on critical National Security projects that help protect nations, governments and businesses against evolving digital … threats and challenges in the most demanding environments. The Software Engineer will have: Strong development experience with Python The aspiration to learn new skills and continuously develop professionally Knowledge of cloud engineering such as AWS, Docker, Microservices e ability to work as part of a team, knowledge share and be involved with Agile ways of working As a … Software Engineer you will: Design, code, test, correct and document simple programs, and assist in the implementation of software which forms part of a properly engineered information or communications system Provide accurate estimates of development effort needed to design, code and test software from given specifications Work with a focus towards Data Processing solutions Contribute to AWS More ❯

Software Engineer – Defence/National Security Location: Gloucester | Hybrid working available Salary: £45,000 – £62,000 + excellent benefits package Are you ready to use your software engineering skills to make a real impact? Join a global leader in digital, cyber, and intelligence solutions , where your work will directly contribute to protecting the UK’s national security. … community initiatives that inspire the next generation of tech talent. Hybrid working for better work/life balance. What You’ll Do Design, develop, test, and document high-quality software within complex systems. Contribute to data processing and cloud-based projects, with exposure to AWS and cutting-edge tools. Troubleshoot and resolve defects, ensuring reliable and secure systems. Share More ❯

projects. In this senior role, you’ll take ownership of technical decisions, mentor junior engineers, and ensure the delivery of robust, scalable platforms. You’ll work across the full software lifecycle — from design and build to deployment and optimisation — using modern engineering practices, tools, and cloud technologies. This position is ideal for an experienced engineer who enjoys solving … complex challenges, driving innovation, and shaping the future of platform engineering in mission-critical environments. Key Responsibilities Design, develop, and maintain secure and reliable platforms that meet demanding operational needs. Lead on technical design decisions, ensuring performance, security, and scalability. Build and maintain CI/CD pipelines using tools such as Jenkins, Bamboo, or Bitbucket . Write clean, maintainable … and containerisation using Docker, Kubernetes, or Ansible . Mentor and support junior team members, fostering a culture of technical excellence. What You’ll Bring Proven experience in platform or software engineering within complex environments. Hands-on experience with cloud technologies (AWS, Azure, or GCP). Strong background in DevOps principles , automation, and CI/CD. Familiarity with infrastructure More ❯

Job Title: Lead/Principal Embedded Software Engineer Location: Gloucester (On-Site Working) Salary: Up to £85,000 (Depending on Experience) Summary of Vacancy: We’re currently recruiting for a Principal Embedded Software Engineer on behalf of a cutting-edge Security Research & Development organisation. This organisation is focused on low-level, security-related development in embedded systems, and … is building novel and secure solutions that push technical boundaries. You’ll be working in a deeply technical, collaborative environment that prioritises engineering excellence. As a Principal Engineer, you’ll lead development efforts for secure embedded systems, working hands-on with code while also guiding and mentoring others. You’ll collaborate with researchers to prototype new capabilities and deliver … high-integrity software across a wide range of platforms. Key Responsibilities: Develop robust, efficient embedded software with a focus on security and performance. Work across the full stack—from low-level hardware interaction up to application logic—depending on project needs. Use your deep understanding of systems to write clean, reliable code that meets demanding security requirements. Lead More ❯

Software Engineers (Java/JavaScript/TypeScript) Gloucester – Hybrid (2–3 days on-site) £42,000 – £62,000 + Excellent Benefits This is an opportunity to join one of the UK’s flagship engineering and digital security organisations — a trusted technology partner to UK Government and Defence. They design, build, and secure complex systems that sit at the … core of the UK’s critical infrastructure. With major growth planned in Gloucester, they’re hiring Software Engineers across Java and JavaScript/TypeScript to help shape next-generation solutions in national security and intelligence domains. What you’ll be doing Developing secure, scalable software used across sensitive government programmes Working with Java, JavaScript, and TypeScript in modern … cloud and on-prem environments Designing, integrating, and testing complex systems in agile project teams Collaborating with specialists in software, AI, and cyber to deliver impactful, real-world solutions Experience required Proficiency in Java, JavaScript or TypeScript (Spring Boot, Node.js, React etc.) Understanding of secure development and modern DevOps tooling Comfortable working in agile, collaborative engineering environments UK More ❯

Software Engineer Gloucester based - Hybrid Working Candidates must be UK nationals as this role will require high level government clearances My Client is the leading innovation and transformation consultancy in the UK and they are currently in search of a highly talented Software Engineer to join their offices in Gloucester. Successful candidates will be helping to develop and … What will you be doing • Must have at least 2 years of commercial experience using one of the following technologies Java, Python, c++, or full stack capabilities • As a software developer, you will be working in a small focused team using some of the latest technologies to create large sets of data, which can be efficiently processed to provide … Data, innovative security and threat detection systems in turn contributing to the system design and development decisions, which affect the integration of both future and existing systems. • The ideal software developer will be familiar with full life-cycle software development in there preferred language • Being able to successfully deliver high quality software releases Requirements for the ideal More ❯

YT Technologies are on the lookout for a skilled Software Engineer to help build cutting-edge DevSecOps software. Due to the nature of the work, only candidates eligible for eDV clearance will be considered Key Skills; High level experience with Java and additional languages such as Python Development experience in Linux environments Solid understanding of JUnit 5.x, unit testing More ❯

Java Software Engineer – Defence, Cyber & Intelligence | Full-Time | eDV Clearance Required We are seeking Software Engineers at all levels to join a leading aerospace and defence organisation, delivering mission-critical software for high-impact programmes in the Defence, Cyber, and Intelligence sectors. You'll work on cutting-edge DevSecOps systems and applications, supporting secure digital infrastructures across … the UK. This is a fantastic opportunity to contribute to meaningful projects while enjoying flexible working arrangements and excellent development opportunities. Key Responsibilities: Software design, development, and debugging on secure systems Creating and maintaining test frameworks (e.g., JUnit 5) Developing in Linux environments with modern languages (Java, Python) Working with Agile/SCRUM practices and CI/CD pipelines … GitLab) Contributing across the software development lifecycle from requirements to deployment Tech Stack Includes: Java, Python, Linux, Git, JUnit, GitLab CI/CD, Oracle, MongoDB, JavaScript/TypeScript, React, Apache NiFi, Elasticsearch, Kibana, AWS, Hibernate, Atlassian Suite What’s on Offer: Hybrid working and flexible schedules (4xFlex) Ongoing training and career development Exciting projects within the UK’s secure More ❯

Role: Software Engineer Type: Permanent Location: Gloucester Clearance: DV Clearance Are you an experienced Software Engineer with exposure to working within defence. Are you keen to work in a role where your work will make a big difference? CND are partnered with a global defence powerhouse to help build their team of Software Engineers to deliver on More ❯

Role: Software Engineer Type: Permanent Location: Gloucester Clearance: DV Clearance Are you an experienced Software Engineer with exposure to working within defence. Are you keen to work in a role where your work will make a big difference? CND are partnered with a global defence powerhouse to help build their team of Software Engineers to deliver on More ❯

been turning down headhunters for years. Whatever your priorities - work/life balance, career progression, sustainability, volunteering - you'll find like-minded people driving change at Howden. Role : Senior Software Engineer. Team : Web Development. Location : Remote first; with fortnightly to monthly face-to-face in Gloucester. Tech : Blazor, C#, Azure, ADO, HTML, CSS. Moq, NUnit, bUnit, Automapper, Playwright. JMeterAs … clients across a wide range of product offerings and our development team work on solutions that innovate and put the users' needs at the forefront. Role As a Senior Software Engineer at Howden, you will join one of our agile teams. You will harness the capabilities of Microsoft Azure, Blazor and C# to develop our front-end applications to … development methodologies. Genuinely believes in the value of continuous delivery practices and iterative development based on feedback. Actively engage and participate in all agile sessions. Ability to demonstrate working software to a mixture of technical and non-technical stakeholders. Experience coaching and mentoring less experienced colleagues. Working with the leadership team on identifying training needs within your team. Working More ❯

Graduate Software Engineer 2026 National Security Location : Bristol, Cheltenham or Manchester Salary : £28,000 + £2,000 support payment during your final year Start Date : September 2026 If you are an ambitious graduate with a background in STEM, expected to achieve a minimum of a 2:1 degree and ready to kickstart your career as a Software Engineer … Party, Winter Partyand company-wide meetups. Environment: We provide employees with a great working e nvironment focussed on support, growth, and empowerment. What Youll Be Doing As a Graduate Software Engineer at CACI youll become part of small, dynamic, agile teams, where youll be able to contribute to developing cutting-edge systems, progressive web apps, and data processing pipelines … projects. Working alongside some of the best minds in the industry, youll receive hands-on experience in agile methodologies and DevOps techniques This will include: Designing, developing, and testing software solutions. Using open-source technologies and tools such as GitLab, AWS, and Azure. Building and deploying software systems across both public and private cloud environments. Working on projects More ❯

Python Software Engineer – Security & AI Projects Gloucester – Hybrid (2–3 days on-site) Up to £70,000 + Excellent Benefits **Must be a British Citizen** Join one of the UK’s leading technology and defence engineering consultancies — a team trusted by government and security clients to deliver advanced data, software, and AI-driven solutions that protect the … country’s most critical systems. They’re expanding their Gloucester engineering function by 30+ people before Q1 next year, with opportunities for experienced Python Engineers to work on projects that genuinely make a difference. What you’ll be doing Building secure, high-performance software underpinning security and defence operations Developing complex data pipelines, APIs, and AI tooling in … modern Python environments Working in agile, multi-disciplinary teams alongside experts in software, data, and machine learning Delivering production-grade solutions across cloud and on-prem secure environments Experience required Strong hands-on Python development (FastAPI, Flask, Django or similar) Solid understanding of CI/CD pipelines, automated testing, and modern DevOps practices Experience in secure systems, data engineering More ❯

Role: Software Engineer Type: Permanent Location: Gloucester Clearance: DV Clearance Are you an experienced Software Engineer with exposure to working within defence. Are you keen to work in a role where your work will make a big difference? CND are partnered with a global defence powerhouse to help build their team of Software Engineers to deliver on More ❯

YT Technologies are on the lookout for a skilled Software Engineer to help build cutting-edge DevSecOps software. Due to the nature of the work, only candidates eligible for eDV clearance will be considered Key Skills High level experience with Java and additional languages such as Python Development experience in Linux environments Solid understanding of JUnit 5.x, unit testing More ❯

YT Technologies are on the lookout for a skilled Software Engineer to help build cutting-edge DevSecOps software. Due to the nature of the work, only candidates eligible for eDV clearance will be considered Key Skills; High level experience with Java and additional languages such as Python Development experience in Linux environments Solid understanding of JUnit 5 click apply More ❯

Software Engineers Package - £55,000 - £85,000 (depending in experience level) Benefits - DV Bonus plus excellent benefits Clearance - Cleared to eDV level Location - Cheltenham or Manchester Join a trusted leader in National Security technology solutions. Do you enjoy solving technical cyber problems and identifying vulnerabilities? As part of our client's expanding National Security division, you'll click apply More ❯