Software Developer C#.Net – Quant Trading

Company: Client Server
Apply for the Software Developer C#.Net – Quant Trading
Location: Newcastle upon Tyne
Job Description:

Overview

In this Software Developer role, you will design and build high-performance applications, APIs, and services for cross-asset trading, analytics, and risk workflows. You’ll collaborate with quantitative researchers and financial specialists to tackle scalability and performance challenges in production-grade systems. The role sits at the intersection of software engineering and quantitative finance within a respected fintech consultancy. You will own and shape critical components that support trading and risk models, contributing to the firm’s growth and technical leadership. This is a hands-on opportunity with strong emphasis on impact, ownership, and collaboration.

Pay / Benefits

  • Salary up to 120k
  • Bonus
  • 25 days holiday
  • Bupa healthcare
  • Generous pension contribution
  • Career development opportunities

Responsibilities

  • design and develop high-performance applications, APIs and services
  • support cross-asset trading, analytics and risk management workflows
  • collaborate with quantitative researchers and financial specialists
  • tackle scalability, performance, data processing and system design problems
  • work with modern C# and SQL technologies

Key requirements

  • advanced C# .Net programming skills
  • strong knowledge of SQL databases
  • interest in finance/trading environment with some experience or projects
  • solid understanding of CS fundamentals (OOP, data structures, design patterns, algorithms)
  • entrepreneurial with ownership mentality and ability to lead projects
  • collaborative, problem-solving, idea-sharing mindset
  • collaboration
  • problem solving
  • ownership and leadership
  • C# .Net
  • SQL databases
  • data processing

…

Posted: September 15th, 2026