UI Developer - C# .NET (WCF / WinForms)
Location: Central London (Hybrid)
Employment Type: Permanent
Sector: Consultancy
About Us
We are working with a growing technology consultancy based in Central London, partnering with high‑profile clients across finance, government, and enterprise sectors. They specialise in delivering robust, scalable, user‑centric software solutions - and we're now looking for a talented UI Developer with strong C#.NET, WCF, and WinForms experience to join their team.
The Role
As a UI Developer, you will play a key role in designing, developing, and maintaining desktop‑based applications for a variety of client projects. You'll work closely with solution architects, business analysts, and other developers to build intuitive, performant user interfaces using Microsoft technologies.
Key Responsibilities
Design and implement user interface components for enterprise desktop applications.
Develop and maintain software using C#.NET, WinForms, and WCF.
Collaborate with cross‑functional teams to gather requirements and translate them into clean, efficient code.
Contribute to architectural discussions and technical design decisions.
Ensure code quality through testing, peer reviews, and best‑practice development standards.
Troubleshoot, debug, and optimise existing applications.
Required Skills & Experience
Strong commercial experience in C#.NET development.
Solid hands‑on experience with WinForms and WCF.
Good understanding of object‑oriented design and software engineering principles.
Experience working on UI/UX for desktop applications.
Knowledge of multithreading, asynchronous programming, and service‑oriented architectures.
Strong problem‑solving abilities and attention to detail.
Excellent communication skills with a consultancy mindset.
Nice-to-Have
Experience with WPF or newer UI frameworks.
Exposure to Azure or cloud‑based integration.
Knowledge of MVC, .NET Core, or RESTful services.
Previous consultancy or client‑facing experience.
What We Offer
Competitive salary up to £90000 and comprehensive benefits package.
Hybrid working (3 days a week) environment based in Central London.
Opportunities to work on diverse, impactful client projects.
Ongoing training, certifications, and professional development support.
A collaborative, supportive consultancy culture.
How to Apply
If you're passionate about building high‑quality UI solutions and want to work with a forward‑thinking consultancy, we'd love to hear from you.
Modis International Ltd acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers in the UK. Modis Europe Ltd provide a variety of international solutions that connect clients to the best talent in the world. For all positions based in Switzerland, Modis Europe Ltd works with its licensed Swiss partner Accurity GmbH to ensure that candidate applications are handled in accordance with Swiss law.
Both Modis International Ltd and Modis Europe Ltd are Equal Opportunities Employers.
By applying for this role your details will be submitted to Modis International Ltd and/ or Modis Europe Ltd. Our Candidate Privacy Information Statement which explains how we will use your information is available on the Modis website