Senior C# Developer – Leading Global Hedge Fund – Excellent Compensation + Benefits

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My client, a top-performing global hedge fund, is looking for a talented C# Developer to join their front-office technology team.

This is a unique opportunity to work closely with traders and quants, building low-latency, high-performance systems that directly impact trading outcomes.

You’ll be developing and enhancing critical components across pricing, execution, and risk, using modern C# and .NET technologies in a fast-paced, collaborative environment. The role offers exposure to cutting-edge technology, a flat structure with strong technical mentorship, and the ability to see your work make a tangible impact on the business.

Key Responsibilities

  • Design and build high-performance trading tools and APIs using C# and .NET
  • Develop scalable, real-time systems across areas such as market data processing and trade capture
  • Collaborate closely with traders, portfolio managers, and quants to gather requirements and deliver solutions
  • Optimise applications for performance, scalability, and reliability in a low-latency environment
  • Contribute to system architecture, design decisions, and technical direction
  • Participate in code reviews, testing, and deployment processes, including CI/CD pipelines

They are seeking candidates with a strong and in-depth understanding of C# / .NET.

What You Can Expect

  • Market-leading compensation with a strong uplift on current base
  • Highly attractive bonus structure
  • Immediate ownership and responsibility, with clear progression opportunities
  • Exposure to leading industry professionals through seminars and events
  • Access to modern development tools and high-performance hardware
  • A collaborative, supportive, and high-performing team environment

My client anticipates paying a strong performer upwards of £400k total compensation in year one. In addition to this, they offer exceptional benefits including top-tier healthcare, fully subsidised qualifications, and daily breakfast and lunch.

#J-18808-Ljbffr”, “datePosted”: “2026-04-26”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Mondrian Alpha”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__413446867__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=33” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “London” } } }
Company: Mondrian Alpha
Apply for the Senior C# Developer – Leading Global Hedge Fund – Excellent Compensation + Benefits
Location: London
Job Description:

My client, a top-performing global hedge fund, is looking for a talented C# Developer to join their front-office technology team.

This is a unique opportunity to work closely with traders and quants, building low-latency, high-performance systems that directly impact trading outcomes.

You’ll be developing and enhancing critical components across pricing, execution, and risk, using modern C# and .NET technologies in a fast-paced, collaborative environment. The role offers exposure to cutting-edge technology, a flat structure with strong technical mentorship, and the ability to see your work make a tangible impact on the business.

Key Responsibilities

  • Design and build high-performance trading tools and APIs using C# and .NET
  • Develop scalable, real-time systems across areas such as market data processing and trade capture
  • Collaborate closely with traders, portfolio managers, and quants to gather requirements and deliver solutions
  • Optimise applications for performance, scalability, and reliability in a low-latency environment
  • Contribute to system architecture, design decisions, and technical direction
  • Participate in code reviews, testing, and deployment processes, including CI/CD pipelines

They are seeking candidates with a strong and in-depth understanding of C# / .NET.

What You Can Expect

  • Market-leading compensation with a strong uplift on current base
  • Highly attractive bonus structure
  • Immediate ownership and responsibility, with clear progression opportunities
  • Exposure to leading industry professionals through seminars and events
  • Access to modern development tools and high-performance hardware
  • A collaborative, supportive, and high-performing team environment

My client anticipates paying a strong performer upwards of £400k total compensation in year one. In addition to this, they offer exceptional benefits including top-tier healthcare, fully subsidised qualifications, and daily breakfast and lunch.

#J-18808-Ljbffr…

Posted: April 26th, 2026