C# Software Engineer .Net – Quant Trading

Company: Client Server
Apply for the C# Software Engineer .Net – Quant Trading
Location: North East
Job Description:

C# Software Engineer / Developer Newcastle onsite to £120k+

Join a highly regarded Financial Technology Consultancy developing sophisticated software used by Investment Banks, Hedge Funds and Asset Managers. This is an opportunity to work at the intersection of software engineering, quantitative finance and large scale distributed systems, building the platforms that bring complex trading and risk models into production. As a C# Software Engineer you will design and develop high performance applications, APIs and services that support cross asset trading, analytics and risk management workflows. Collaborating with quantitative researchers and financial specialists, you’ll tackle challenging technical problems involving scalability, performance, data processing and system design, using modern C# and SQL technologies.

Location / WFH

You’ll join colleagues in Central Newcastle offices on a full-time basis (Monday to Friday), working hours 0900-1800 with some flexibility.

About You

  • You have an outstanding record of academic achievement – minimum 2.1 in Computer Science, Mathematics or similar STEM discipline from a top tier university (i.e. Russel Group or top 100 global university), backed by A grades at A-level
  • You have advanced C# .Net programming skills
  • You have a strong knowledge of SQL databases
  • You have experience within a finance / trading environment
  • You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms
  • You’re entrepreneurial with good business acumen, keen to take ownership and lead projects
  • You’re collaborative, enjoy problem solving and sharing ideas

What’s In It For You

  • Salary to £120k
  • 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

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

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Posted: July 6th, 2026