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.

Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance.

Responsibilities

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/React, 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.

Key Responsibilities

• Design & Develop: Build scalable, maintainable solutions using .NET, Python, or TypeScript/React.
• 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.

Requirements

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#, Python, and/or TypeScript/React
• 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

Nice to have

• 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