.NET Developer – Milton Keynes
Reference Code: 517846-en_GB
Contract Type:Permanent
Professional Communities: Software Engineering
About the Job you are considering:
Join the Cloud & Custom Applications (C&CA) practice as a .NET Developer, where you will help clients transform ideas into scalable business outcomes. Guided by our vision to Consult with Purpose. Continuously Evolve. Architect Tomorrow., you will contribute to the delivery of resilient, high-performing enterprise solutions within collaborative, multidisciplinary teams. This role combines hands‑on software engineering with active participation in solution design, continuous improvement, and knowledge sharing. You will work closely with colleagues and stakeholders to deliver value, uphold engineering excellence, and help shape future‑ready digital capabilities, while embracing innovation, AI‑enabled ways of working, and a culture of continuous learning.
Hybrid working:
The places that you work from day to day will vary according to your role, your needs, and those of the business; it will be a blend of Company offices, client sites, and your home; noting that you will be unable to work at home 100% of the time.
Your Role:
- Perform hands‑on development using the latest versions of .NET, C#, and frontend technologies including React and TypeScript.
- Build full‑stack solutions, integrating React/TypeScript user interfaces with .NET backend APIs.
- Apply strong expertise in Object‑Oriented Programming (OOP), design patterns, SOLID principles, and architectural patterns.
- Contribute to the development of high‑volume, high‑availability enterprise‑scale applications.
- Work within Agile delivery methodologies, ideally with experience in SCRUM.
- Design, optimize, and maintain database systems, with strong understanding of relational database design.
- Implement Test‑Driven Development (TDD), write robust unit tests, and support Continuous Integration pipelines.
- Leverage CI/CD and automation tools to ensure high‑quality, frequent releases.
- Critically analyze system designs and provide constructive feedback to improve performance and maintainability.
- Conduct code reviews focusing on maintainability, scalability, and adherence to engineering best practices.
- Produce clear and comprehensive technical documentation.
- Collaborate effectively with both technical and non‑technical stakeholders.
- Maintain strong understanding of unit testing, design patterns, and CI/CD pipelines.
Your Skills:
- Proficiency in .NET Framework, .NET Core, C#, ASP.NET
- Strong experience with React.js, TypeScript, and modern JavaScript/TypeScript development practices
- Ability to build and maintain scalable front‑end applications using React and TypeScript
- Experience with RESTful APIs, web services, and system integration
- Deep understanding of OOP, design patterns, SOLID principles, and architecture
- Practical knowledge of SQL, database architecture, and relational database design
- Familiarity with DevOps, CI/CD pipelines, and automation tools
- Experience with unit testing frameworks such as NUnit or xUnit
- Understanding of cloud and containerization technologies such as AWS, Docker, Kubernetes
- Strong expertise with Git for version control
Good-to-Have Skills
- Experience with React.js, TypeScript, JavaScript (ES6), HTML5, CSS3, Redux, or Context API.
- Experience with Spring Boot, Spring MVC, Spring Security, Hibernate/JPA, and REST API development.
- Knowledge of cloud platforms such as AWS, Microsoft Azure, or Google Cloud Platform.
- Experience with Docker, Kubernetes, OpenShift, and infrastructure‑as‑code practices including Terraform.
- Exposure to CI/CD tooling such as Jenkins, GitHub Actions, or GitLab CI.
- Experience with PostgreSQL, Oracle, MySQL, or MongoDB.
- Familiarity with Git, Maven, Gradle, SonarQube, JIRA, Splunk, or AppDynamics.
- Knowledge of event‑driven architectures and messaging platforms such as Kafka.
- Exposure to API Gateway and Service Mesh technologies.
- Experience supporting cloud migration and application modernisation initiatives.
- Experience within Banking, Financial Services, or Insurance domains.
- Cloud certifications (AWS, Azure, and/or GCP).
We are a Disability Confident Employer:
Capgemini is proud to be a Disability Confident Employer (Level 2) under the UK Government’s Disability Confident scheme. As part of our commitment to inclusive recruitment, we will offer an interview to all candidates who:
- Declare they have a disability, and
- Meet the minimum essential criteria for the role.
Please opt in during the application process.
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