Full Stack Developer AI, Automation & Tooling

In this role, you will design, develop, and maintain secure, scalable full-stack applications that support CGI and client platforms across a range of environments. You will contribute to solution design, build modern front-end interfaces and back-end services, and help deliver high-quality software aligned to engineering and governance standards. Working within Agile and DevOps delivery teams, you'll collaborate with architects, testers, analysts, and operational stakeholders to drive successful project outcomes.

You will also support continuous improvement activities, contribute to technical decision-making, and help maintain resilient, high-performing services. This is an opportunity to take ownership of meaningful technical work while developing your skills within a supportive and collaborative engineering environment.

• Design & Develop scalable full-stack applications and services

• Build & Maintain responsive front-end interfaces and RESTful APIs

• Collaborate & Contribute to technical solution design and delivery activities

• Integrate & Optimise databases, APIs, and supporting services

• Apply & Promote secure-by-design and quality-focused development practices

• Review & Improve code quality through testing and peer reviews

• Support & Troubleshoot live services, incidents, and change activities

• Document & Maintain technical artefacts in line with CGI standards

• Work & Deliver within Agile, DevOps, or hybrid delivery environments

To succeed in this role, you should have proven experience delivering production-ready full-stack applications and a strong understanding of modern software engineering principles. You will bring strong problem-solving skills, a collaborative mindset, and the ability to work effectively across both technical and non-technical teams. Experience working within secure or regulated environments and exposure to cloud and DevOps practices would be advantageous.

You should have demonstrable experience as a Full Stack Developer delivering enterprise-grade solutions

Strong commercial experience with Python

Experience of open source systems especially Kubernetes (K8s) & Helm Charts

Experience with Angular frameworks

Proven ability to develop back-end services and RESTful APIs

Strong proficiency in HTML, CSS, and JavaScript

Experience working with SQL and/or NoSQL databases

Strong understanding of application architecture and software design principles

Proficiency using version control tools such as Git

Experience working within Agile or DevOps delivery models

Awareness of security, resilience, and performance considerations in application development

Exposure to cloud platforms, ideally Azure, with AWS or GCP also beneficial

Strong communication skills and the ability to collaborate across multidisciplinary teams

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.

At CGI, we deliver innovative digital solutions that help clients modernise operations, improve efficiency, and unlock measurable business value. As a Full Stack Developer within our Intelligent Automation team, you will play a key role in designing and building scalable applications that support complex business and operational outcomes. Working across modern technologies and collaborative delivery teams, you'll have the opportunity to influence solution design, contribute creative ideas, and take ownership of high-impact development work in an environment that values quality, continuous improvement, and professional growth., 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. Discover CGI London, England, United Kingdom > 1000 employees IT services 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