Full Stack Software Engineer
About CGI
At CGI, we design and deliver secure, scalable digital solutions that help organisations transform how they operate and serve their customers.
As a Full Stack Software Engineer, you will build high-quality applications across the full technology stack while contributing to architecture, design decisions, and measurable client outcomes.
You’ll work in collaborative, Agile teams alongside engineers, architects, designers, and clients, using modern engineering practices and continuously improving how software is delivered.
This role is based in Newcastle and follows a hybrid working model.
CGI was recognised in the Sunday Times Best Places to Work 2025 and named a UK ‘Best Employer’ by the Financial Times.
We offer a competitive salary, strong pension, private healthcare, and a share scheme (3.5% + 3.5% matching), making you a CGI Partner rather than just an employee.
We are committed to inclusivity and diversity, and proudly support the Armed Forces Corporate Covenant with Gold Award recognition.
Role Overview
As a Full Stack Software Engineer, you will design, build, test, and deploy end-to-end software solutions across frontend, backend, and cloud components.
You will work closely with stakeholders to translate requirements into secure, scalable applications, while ensuring high standards of quality, maintainability, and performance.
You will also contribute to technical design discussions, support junior engineers, and help improve engineering practices across the team.
Key Responsibilities
* Design and develop secure, scalable full-stack applications
* Build responsive user interfaces and robust backend APIs
* Ensure quality through automated testing and code reviews
* Collaborate with clients, product owners, and designers
* Contribute to architecture and technical design decisions
* Work within CI/CD pipelines and DevOps practices
* Apply clean code principles and secure coding standards
* Develop low-code solutions using Microsoft Power Platform
* Mentor and support junior engineers
* Continuously improve engineering practices and team performance
Required Skills & Experience
* Experience building full-stack applications using languages such as JavaScript/TypeScript, C#, Java, or Python
* Experience with frameworks such as React, Angular, Vue, .NET Core, Node.js, or Spring Boot
* Strong understanding of RESTful or event-driven APIs
* Experience with automated testing (unit, integration, or functional testing)
* Familiarity with Git and CI/CD pipelines
* Experience working in Agile delivery teams
* Understanding of secure coding practices and common vulnerabilities
* Experience or willingness to learn Microsoft Power Platform (Power Apps or similar)
Desirable Skills
* Experience with Azure or AWS (including serverless or containerised workloads)
* Knowledge of relational and NoSQL databases
* Experience with Power Automate, Power BI, or Dataverse
* Experience working in multidisciplinary, cross-functional teams
Life at CGI
At CGI, you’ll be part of a culture built on ownership, teamwork, respect, and belonging.
As a CGI Partner, you’ll help deliver meaningful digital solutions, grow your technical expertise, and work alongside a global community of engineers. You’ll also benefit from strong career development support, continuous learning opportunities, and the ability to shape impactful technology at scale.
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