User Experience Designer jobs in United Kingdom

Category: Software Development/ Engineering

Location: United Kingdom, England - South West, Gloucester

Position ID: J0725-0251

Employment Type: Full Time

CGI’s Space, Defence, and Intelligence business unit is dedicated to delivering cutting‑edge technical solutions that address the most complex challenges faced by government agencies. Our mission‑critical systems are custom‑built to ensure security, reliability and innovation, helping our clients protect the nation and its people. We are currently seeking a Software Developer to join our Secure Innovation & Advisory team, working collaboratively with clients to deliver impactful solutions.

This role offers an exciting opportunity to engage with groundbreaking technologies in a dynamic and rewarding environment. At CGI, we are deeply committed to the growth and development of our team members, offering extensive learning opportunities to help you stay at the forefront of an ever‑evolving technology landscape. Our culture values innovation, collaboration and ownership, making it an ideal environment for self‑motivated individuals to thrive.

Eligibility: Due to the highly secure nature of the project, this role is open only to UK Nationals (not dual nationals or visa holders) who hold or are eligible for High‑Level Clearance (HLC). While there is some flexibility for remote or hybrid work, onsite attendance at the specified location will be required for secure system access.

As a Software Engineer in our Secure Innovation & Advisory division, you will play a key role in delivering innovative solutions to help safeguard our country. You will work closely with clients to exploit new and bespoke technologies, providing them with a competitive advantage. The systems you develop will be built for performance, security, reliability and scalability, leveraging modern CI/CD tooling and practices.

• Collaborate with clients to understand and meet their technology needs.
• Design, develop, and deliver secure software solutions using the latest technologies.
• Work within an Agile environment to meet tight project deadlines while maintaining high‑quality output.
• Contribute to system architecture, design and technical documentation, including LLDs, user guides and release notes.

• Containerisation / Container Security
• Microservice Architectures
• API Development, REST, Swagger, OpenAPI, gRPC
• Cloud platforms and technologies: AWS (e.g., Lambda, API Gateway, EKS), Azure, GCP
• Cloud native Apps, Kubernetes, OpenShift, MicroK8s
• Infrastructure as Code (IaC), automation & configuration management
• Ansible (plus Puppet, Saltstack), Terraform, CloudFormation
• NodeJS, REACT/MaterialUI (plus Angular), Python, JavaScript
• Big data processing and analysis, e.g. Apache Hadoop (CDH), Apache Spark
• RedHat Enterprise Linux, CentOS, Debian or Ubuntu.
• Java 8, Spring framework (preferably Spring boot), AMQP – RabbitMQ
• Open source technologies
• Experience of Agile software development (SAFe, Scrum, Kanban, etc.)
• Experience writing technical documentation such as LLDs, user guides, release notes etc.
• Requirements analysis.
• Software technology knowledge.

• Cloud Native Development
• DevOps
• English
• Full Stack Development
• Microservices
• Solution Design

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.