Job Vacancy Full-Stack .NET Developer

Widecombe-in-the-Moor

CGI

Job position Full-Stack .NET Developer

Permanent

As soon as possible

Widecombe-in-the-Moor, England, United Kingdom

Published on 07/10/2025

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At CGI, we’re transforming industries through secure, scalable, and intelligent software solutions. As a Full-Stack .NET Developer, you’ll design and deliver modern cloud-native applications that drive real business impact. You’ll work with cutting-edge tools, collaborate across teams, and shape solutions that matter—while developing your skills in an environment that values innovation, ownership, and support.

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’re proud to hold a Gold Award for our support of the Armed Forces Corporate Covenant. Join us and be part of a friendly community that supports your career growth.

Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to obtain it. This is a hybrid role.

Candidate profile

In this role, you’ll design, build, and deliver secure, scalable applications using the Microsoft stack. Working across the full stack, you’ll create modern solutions that improve how our clients work. You’ll collaborate with talented teams, contribute ideas, and take ownership of key technical decisions to drive innovation and quality.

Key responsibilities:

• Develop: Create web applications with ASP.NET Core, C#, and modern JavaScript frameworks.

• Integrate: Build APIs and connect to cloud and AI/ML services.

• Deploy: Deliver cloud-native apps using Azure, Docker, and Kubernetes.

• Secure: Apply best practices for security and compliance.

• Modernise: Refactor legacy systems and enhance performance.

• Collaborate: Work closely with DevOps, QA, and product teams in Agile environments.

Required qualifications to be successful in this role

Required qualifications to be successful in this role

You should bring solid full-stack .NET development experience, strong coding standards, and a passion for modern engineering.

• Experience with ASP.NET Core, C#, and SQL.

• Understanding of secure coding and authentication standards.

• Knowledge of Infrastructure as Code tools (Bicep, Terraform).

• Desirable experience in React, Angular, or Blazor.

• Desirable experience with Azure, DevOps, and containerisation (Docker/Kubernetes).

#LI-MW2

Working environment

Together, as owners, let’s turn meaningful insights into action.

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

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Full-Stack .NET Developer

CGI