Senior Software Engineer

Position Description:

At CGI were shaping the future of digital UK Government solutions building secure high-impact platforms that improve services for millions across the UK. As a Java Engineer youll play a pivotal role in designing and developing scalable resilient back-end systems using the latest Java and microservices technologies. Youll collaborate with skilled professionals who take ownership of their work share ideas freely and are empowered to create solutions that make a lasting difference. This is an opportunity to contribute to a variety of UK programmes where innovation teamwork and continuous learning come together to deliver meaningful results.

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 youll be part of an open friendly community of experts. Well train and support you in taking your career wherever you want it to go.

Due to the secure nature of many of our work programmes you will need to hold UK Security Clearance or be eligible to go through this clearance. These roles will be predominately hybrid with some work based in UK CGI or client offices depending on the specific programme. Travel away from base office will be expensed.

Your future duties and responsibilities:

In your role as a Senior Software Engineer you will design develop and maintain secure high-performing Java and / or React applications. Working collaboratively within a cross-functional team youll help shape modern architectures using microservices and cloud-native technologies to deliver scalable maintainable systems. Youll contribute to all stages of the development lifecycle from technical design and implementation through to testing and optimisation.

You will be encouraged to take ownership of your work bring forward creative ideas and leverage the support of a highly experienced team that values collaboration and continuous improvement.

Key responsibilities include:

Design and Develop: Build and enhance Java-based microservices using Spring Boot and related frameworks
Collaborate and Deliver: Work closely with developers architects and testers to ensure technical excellence and timely delivery
Optimise and Innovate: Improve performance scalability and maintainability of systems through continuous iteration
Contribute and Support: Participate in agile ceremonies share knowledge and support a culture of quality and innovation
Secure and Maintain: Ensure all solutions meet strict security and compliance requirements

Required qualifications to be successful in this role:

You should have experience developing large-scale enterprise applications using Java and microservices frameworks alongside a solid understanding of secure scalable system design. Youll bring an analytical mindset collaborative approach and a drive to deliver high-quality code that meets user and business needs. We are looking for candidates who have experience of either back end front end or ideally full stack software and application development and engineering.

Proven experience as a Java Developer or Senior Software Engineer
Strong proficiency in Java Spring Boot and RESTful API development
Experience with microservices architecture and containerisation (e.g. Docker Kubernetes)
Familiarity with Agile/Scrum methodologies and CI/CD pipelines
Understanding of cloud environments (AWS/Azure/GCP) and DevOps principle
Proficiency in relational and NoSQL databases (MySQL PostgreSQL MongoDB etc.). based on Project needs (SQL or NoSQL)
Understanding of/experience with DevOps tools - Either of these Gitlab Bitbucket Jenkins SonarQube Nexus
Hands-on experience with Redux JavaScript (ES6) HTML5 CSS3.


#LI-JW1

Skills:

• Data Analysis
• RESTful (Rest-APIs)

What you can expect from us:

Together as owners lets turn meaningful insights into action.

Life at CGI is rooted in ownership teamwork respect and belonging. Here youll 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. Thats why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our companys strategy and direction.

Your work creates value. Youll 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.

Youll shape your career by joining a company built to grow and last. Youll 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 teamone of the largest IT and business consulting services firms in the world.