C# Developer .Net SQL - Quant Trading

client server
London, GB
On-site

Job Description

Join a £17 billion hedge fund where cutting-edge technology meets world-class finance in the heart of London.

C# Developer / Software Engineer (C# .Net SQL) London onsite* to £180k+*

Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management.

As a C# Developer you'll collaborate with a team of highly intelligent technologists and finance professionals to develop algorithmic trading systems working with a modern tech stack, with opportunities for technical ownership from day one.

You'll partner with Quant teams to help architect valuation, risk and pricing systems, delivering massively scalable, high performance streaming compute operations. You'll be equipped with all the latest kit to help you succeed as well as learning from industry experts on world finance.

Location / WFH:

You'll join the team in fantastic London (Soho) based offices that offer a wide range of facilities including nutritionally balanced breakfast, lunch and all day snacks. Please note this role is full-time office based (Monday to Friday).

About you:

  • You have a strong academic background with a minimum 2.1 degree in a STEM discipline, with equivalent qualifications considered
  • You have advanced C# .Net programming skills including .Net Core (will also consider Java, Python or C++ background if happy to use C# going forward)
  • You have a strong knowledge of SQL databases
  • 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:

As a C# Developer / Software Engineer you will earn a competitive package:

  • Salary to £180k
  • Significant bonus earning potential
  • Fund performance share
  • Personal training budget and mentoring
  • Family friendly benefits that include unlimited emergency backup childcare as well as care for elderly relatives
  • Various social groups including sports teams
  • Private healthcare and wellness activities

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

At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Skills & Requirements

Technical Skills

C#.NetSQLJavaPythonC++OOPData StructuresDesign PatternsAlgorithmsentrepreneurialcollaborativeproblem solvingsharing ideasfinancequant trading

Salary

£180,000+

year

Employment Type

FULL TIME

Level

senior

Posted

3/19/2026

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