C# .NET Developer (WPF, Winforms)

Join Our Amazing Investment Banking Client as a C# .NET Developer!

Location: Canary Wharf (3 days per week onsite - This is essential)

Contract Duration: Up to 2 years!

Umbrella Rate: £416 Umbrella Day Rate

Interviews: The first interview is in person this is essential - This is non negotiable.

Please Note: If you have spoken to a member of the Pontoon/Adecco team in 2026 about our other C# Software Development roles, you do not need to apply again.

Are you a passionate and seasoned Senior C# .NET Developer looking for an exciting opportunity in a leading banking Institution? Look no further!We are seeking a talented individual to join our dynamic team based in the heart of London.

What You'll Do:

As our Senior C# .NET Developer, you will play a crucial role in developing and maintaining applications that drive our business forward. Your responsibilities will include:

• Designing and implementing robust, scalable applications using C# and .NET frameworks.
• Collaborating with cross-unctional teams to gather requirements and translate them into technical specifications.
• Troubleshooting, debugging, and optimising existing applications to enhance performance.
• Participating in code reviews to maintain high coding standards and share knowledge with the team.
• Staying updated with the latest industry trends and technologies to keep our projects innovative.

Key Essential Skills:

We are looking for someone who is not just skilled but also enthusiastic about technology and its potential to transform our industry. You should have:

• You will have a long and proven career within C# and .NET development.
• Very strong experience of object-oriented programming principles.
• Prolific with databases (SQL Server, Oracle) and web services (RESTful APIs).
• Proven WinForms/WPF experience
• Experience support setting up a system distribution method for Citrix and application Servers for both Web and Window applications.
• A proactive attitude and the ability to work well in a team environment.
• You will have worked for a banking or financial services organisation OR large corporate and complex environments

Ready to Dive In?

If you're excited about the prospect of contributing to a leading financial institution and insurance company, we want to hear from you!

Apply today and let's build something amazing together - Please ensure the above tech stack is in your CV when applying.

Adecco is a disability confident employer. It is important to us that we run an inclusive and accessible recruitment process to support candidates of all backgrounds and all abilities to apply. Adecco is committed to building a supportive environment for you to explore the next steps in your career. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.

We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. Rest assured, all final decisions are made by our hiring team, and your application will be reviewed with care and attention.