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  • .NET Software Developer- Various locations across the UK

About The Role

FDM is a global business and technology consultancy seeking a .NET Software Developer to work for our client within the Public Sector sector. This is initially a 6 month contract with very good prospects to extend and will be a hybrid role based in London,Bristol, Liverpool, Manchester, Leeds, Birmingham and Newcastle.

Our client is seeking a Mid-Senior .NET Software Developer to maintain and enhance a critical Investment Programme platform supporting government housing investment schemes. Working across modern .NET applications, Dynamics 365 integrations and cloud-based services, you will help deliver high-quality, user-centred digital services while contributing to technical design, code quality, security and continuous improvement initiatives.

Responsibilities:

  • Develop, maintain and enhance .NET applications, domain services and Dynamics 365 integrations supporting key business processes.
  • Build accessible, user-focused web applications using ASP.NET Core MVC, Razor Views and GOV.UK Design System components
  •  Design and implement business functionality using CQRS, Domain-Driven Design principles and workflow state machines.
  • Troubleshoot and resolve production issues, performance bottlenecks, integration failures and data inconsistencies.
  • Collaborate with product owners, architects, business analysts and wider technology teams while mentoring junior developers and contributing to code reviews.

About You

  • Strong commercial experience developing applications using C#, .NET 8 and ASP.NET Core MVC. 
  •  Experience with CQRS, MediatR, Domain-Driven Design, dependency injection and modern software architecture practices.
  •  Proven experience developing and consuming REST APIs, working with integrations and maintaining large-scale enterprise applications.
  •  Experience writing automated unit and integration tests using xUnit and FluentAssertions. 
  •  Strong understanding of Git, pull requests, CI/CD pipelines, application security, authentication and authorisation principles.
  •  Experience with or knowledge of Microsoft Dynamics 365, Dataverse, Azure DevOps, Azure-hosted services, Application Insights, Redis and TypeScript is highly desirable.
  •  Excellent problem-solving, communication and stakeholder management skills, with the ability to deliver work independently and collaboratively.

About Us

FDM is an award-winning global leader in tech and business talent solutions, backed by more than 35 years of industry experience. We have centres across Europe, North America, and Asia-Pacific, and a global workforce of over 2500 employees. FDM has shown exponential growth throughout the years, firmly establishing itself as an award-winning employer, currently listed on the FTSE4Good Index and as a 2026 Financial Times UK ‘Best Employer’. 

Diversity and Inclusion

FDM Group is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, sexual orientation, national origin, age, disability, veteran status or any other status protected by federal, provincial or local laws.

Why join us

  • Career coaching, mentoring and access to upskilling throughout your entire FDM career
  • Assignments with global companies and opportunities to work abroad
  • Opportunity to re-skill and up-skill into new areas, develop non-linear career paths and build a skillset within your field
  • Annual leave and work-place pension

Apply

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