Senior C# Developer .Net Core - FinTech

  • Client-Server
  • 27/06/2026
Full time Information Technology Telecommunications

Job Description

Senior C# Developer / Backend Software Engineer (C# .Net Core) Newcastle onsite to £110k+

Are you a senior, backend focused C# Developer with a strong academic background?

You could be working on complex, high impact systems at a growing FinTech scale-up with solid financial backing and ambitious growth plans.

What's in it for you:

  • Salary (to £110k, negotiable) + Bonus
  • 25 days holiday
  • Bupa healthcare
  • Generous pension contribution
  • Continuous career development opportunities
  • Social team atmosphere with a range of events and early finish for drinks on Fridays

Your role:

As a Senior C# Developer you will collaborate with a small, talented team to deliver the core platform using the latest versions of C# .Net to produce high quality code. You'll take ownership of technical projects, working across the full development lifecycle to understand business needs.

Location:

You'll join colleagues in brand new Central Newcastle offices on a full-time basis (Monday to Friday), working hours with some flexibility. The offices are well equipped and offer fantastic views across the City and the local countryside, many employees walk or cycle in (onsite showers available!).

About you:

  • You have achieved a minimum 2.1 BSc in Computer Science or similar technical discipline from a top tier / Russel Group university, backed by A's at A-level
  • You're a technologist who enjoys collaborating and problem solving, working on complex, distributed systems
  • You have expertise with modern C# .Net Core, Python skills would also be of benefit
  • You have a strong knowledge of modern software engineering best practices and have experience across the full software development lifecycle
  • You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms
  • You're excited to join a start-up in a role that you can shape and influence

Apply now to find out more about this Senior C# Developer / Backend Software Engineer (C# .Net Core) opportunity.


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