Backend C# Developer

Company: Quant Capital
Apply for the Backend C# Developer
Location: London
Job Description:

Overview

In this role you will develop and support international operating systems for a top quantitative investment manager. You will work closely with cross-functional teams to ensure reliability and quality across complex processes. You will tackle fast-moving, technically challenging projects in a relaxed, open culture that values thoughtful decision-making. Your work will be at the core of building robust, scalable backend systems handling large data sets. Relocation is offered to Cyprus for this opportunity.

Pay / Benefits

  • Relocation offered

Responsibilities

  • Further develop and support the company’s international operating systems
  • Understand complex processes and systems to ensure reliability, consistency, and control
  • Contribute to development projects with a flexible, multi-project approach

Key requirements

  • Degree in science/computing/numerate/engineering field
  • Strong backend experience with C# or Java and OOP
  • Strong understanding of database development, ideally SQL Server, T-SQL, stored procedures, indexes, and query optimization
  • Experience on Windows and Unix/Linux, command line tools, scripting, and basic system administration
  • Ability to work in a team and take ownership on sub-projects
  • Keen interest in technology innovation and willingness to learn
  • Experience processing large data sets (preferred)
  • Practical problem-solving and clear communication of ideas/results
  • initiative
  • self-checking critical approach
  • team collaboration
  • C# (or Java)
  • Object-oriented programming
  • Backend development

Posted: September 14th, 2026