CGI

Offre d'emploi Software Engineer (Backend / Platform) (DV Security Clearance)

Gloucester

CGI

Women in Tech partner

Le poste

CDI
Dès que possible
Gloucester, Angleterre, Royaume-Uni
Publiée le 21/06/2026

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At CGI, we deliver cutting-edge software solutions that help protect the UK’s national interests and support critical national security programmes. As a Backend / Platform Software Engineer, you’ll play a key role in designing, building, and deploying cloud-native applications that drive mission success. Working across software engineering, platform technologies, and automation, you’ll help create scalable, resilient solutions while contributing to a culture that values innovation, collaboration, and ownership. You’ll have the opportunity to make a meaningful impact, influence technical outcomes, and develop your expertise alongside highly skilled professionals tackling some of the most complex challenges in the industry.



CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go.



Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This role is based on a Secure Site.

Profil recherché

n this role, you will develop and enhance backend services that underpin critical applications used within national security environments. Working within Agile delivery teams, you will collaborate closely with software, platform, and infrastructure specialists to build reliable, scalable, and secure cloud-native solutions. You’ll take ownership of features throughout the development lifecycle, from design and implementation through to deployment and operational support.



You will also contribute to modern engineering practices by improving automation, deployment pipelines, testing approaches, and infrastructure capabilities. Your work will directly support the delivery of high-quality software while enabling teams to deploy and operate services efficiently within complex, mission-critical environments.



Key responsibilities:



~Design & Develop robust backend services and APIs

~Build & Maintain CI/CD pipelines and deployment automation

~Develop & Deliver cloud-native software solutions

~Collaborate & Integrate with platform and infrastructure teams

~Deploy & Support containerised applications using Kubernetes

~Improve & Optimise software quality, testing, and release processes

~Automate & Enhance infrastructure provisioning and management

~Contribute & Innovate within Agile delivery teams

Required qualifications to be successful in this role

o succeed in this role, you should have strong software engineering fundamentals combined with experience developing applications in cloud-native environments. You will be comfortable working across development and deployment activities, collaborating with multidisciplinary teams, and applying automation and modern engineering practices to improve delivery outcomes.



Essential qualifications:



~Experience developing software using Java, Go, or Python

~Strong background in backend application development

~Experience with Kubernetes and container platforms

~Knowledge of CI/CD tooling and deployment automation practices

~Experience working within Linux environments

~Proficiency with Git and source control workflows

~Understanding of Infrastructure as Code concepts and associated tooling

~Knowledge of cloud-native application development principles

~Experience working within Agile software delivery teams

~Strong problem-solving and collaboration skills



#LI-JS2

Environnement de travail

Together, as owners, let’s turn meaningful insights into action.



Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…



You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.



Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.



You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.



Come join our team—one of the largest IT and business consulting services firms in the world.
London, England, United Kingdom
> 1 000 salariés
ESN
We are a global business with 91,500 professionals across hundreds of locations worldwide, providing end-to-end IT and business process services that drive our clients’ businesses. In the UK alone, we have around 6,000 member-partners working across 19 towns and cities, doing everything from writing complex code to designing sophisticated software solutions. The work we do powers some of the most ambitious projects that touch the lives of many. Our approach sets us apart, characterised by our proximity model, international presence, expertise, and operational excellence. We organise our operations within metro markets where our clients have concentrated footprints, empowering our local teams to build trusted, in-person relationships. As you build your career here, you’ll develop your skills, share your insights, and work side-by-side with colleagues and clients on innovative solutions that address the most complex issues. Our commitment to ownership, flexibility, and being approachable makes us easy to do business with. Join us, and together, as owners, let’s turn meaningful insights into action to meet the needs and balance the interests of our clients, shareholders, communities, and each other. Benefits: - Insurance coverage - Medical benefits - Pension plan - Member Assistant Programme - Check4Cancer - Flexible time off - Share Purchase Plan - Member discounts - Dental benefits - Vision benefits - Profit Participation Plan - Health and Wellbeing Programme

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Software Engineer (Backend / Platform) (DV Security Clearance)

CGI

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