Senior Software Engineer

At CGI, our Software Engineers play a pivotal role in delivering the innovative, scalable, and secure solutions that help our clients transform their organisations. Joining our Leeds-based engineering community, you’ll contribute to high-impact projects that shape the future of digital services, applying modern engineering practices to build real-world value. You’ll be part of a collaborative, supportive environment where you can take ownership of your work, explore new approaches, and thrive creatively as you help design and deliver technology that makes a lasting difference.



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 is a hybrid position.

Profil recherché

In this role, you will design, build, and deliver high-quality software that underpins critical client services. You’ll work across modern technologies such as .NET, Python, and TypeScript(backend programming), contributing to everything from architecture decisions to hands-on development. You’ll collaborate closely with multidisciplinary teams, applying engineering best practice and shaping solutions from concept to deployment.



You’ll take ownership of your work, exploring creative approaches while being supported by experienced engineers who share knowledge, review code, and help you grow. Your contributions will directly influence project success, system performance, and the long-term evolution of key platforms.



• Design & Develop: Build scalable, maintainable solutions using .NET, Python, or TypeScript(backend programming).

• Lead & Contribute: Shape architecture and design discussions to ensure performance, security, and scalability.

• Collaborate & Deliver: Work within Agile teams to plan, estimate, iterate, and deliver value.

• Automate & Optimise: Implement CI/CD pipelines and apply clean code, testing, and automation principles.

• Build & Evolve: Develop APIs, microservices, and web applications, often leveraging cloud environments.

• Coach & Support: Mentor peers and share knowledge through reviews and collaborative engineering practices.

Required qualifications to be successful in this role

To succeed in this role, you should bring strong hands-on software engineering experience, a solid understanding of modern development principles, and the ability to work effectively within collaborative Agile teams. You’ll be confident designing and building solutions across one or more major technology stacks, with a proactive approach to quality, communication, and continuous improvement.



Essential qualifications:



• Experience with .NET/C# or Python or Typescript(backend programming)

• Strong understanding of SOLID principles and clean architecture

• Experience working in Agile environments with CI/CD and automated testing

•Proficiency with Git-based workflows

• Ability to communicate clearly with technical and non-technical stakeholders



Desirable:



• Cloud exposure (Azure, AWS, or GCP)

• Experience with Docker, Kubernetes, Terraform, or Bicep

• Knowledge of event-driven architectures or messaging systems

• Understanding of secure coding practices







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