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C# Developer (Front Office Trading Systems - Quant Dev) – Systematic Hedge Fund, Paris
A high-performance systematic hedge fund are seeking two C# Developers to join their front office technology function in Paris as Quant Developers. You’ll be responsible for building and enhancing real-time trading systems used daily by traders and quantitative researchers. Operating in a fast-paced front office environment, you’ll work closely with end users, delivering high-quality software where performance, reliability, and time-to-market are critical.
This role is well suited to a strong C# developer with front office trading system experience — prior quant developer experience is not required.
Role Overview
- Build and enhance front office trading software and real-time trading systems.
- Work directly with traders and quantitative researchers on live trading workflows.
- Develop manual trading tools as well as components supporting automated strategies.
- Design clean, reusable, and performant object-oriented code.
- Contribute to system architecture, performance optimisation, and platform evolution.
- Operate in a highly collaborative environment with immediate user feedback and visible impact.
What They’re Looking For
- Ideally 3–5 years’ professional development experience (open to consider candidates up to ~8 years).
- Strong C# programming skills
- Front office trading system development experience (doesn't have to be quant dev experience)
- Experience working on real-time or performance-sensitive systems.
- Front-end framework exposure (i.e. Winforms or similar)
- Solid understanding of software design, architecture, and performance considerations.
Company Highlights
- Technology-led culture – drives both trading and internal investment decisions
- c.1,000 employees – large enough for scale, small enough for individual impact
- State-of-the-art London HQ – core hub for engineering and trading, with a free on-site gym
- Flat structure – direct access to senior engineers and C-level leaders
- Strong Glassdoor rating and excellent work-life balance
- Benefits: Free breakfast & lunch, 13% pension, year-one guaranteed bonus, and more.
Key Skills
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