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C# .NET FX & Fixed Income Trading Tech Developer

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Onyx-Conseil
Full Time position
Listed on 2026-08-20
Job specializations:
  • Software Development
    Backend Developer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 GBP Yearly GBP 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Location: Greater London

Onyx-Conseil, a niche boutique broker specialising in FX, is seeking a C# .NET Software Developer with 3–5 years of experience to join their London team. You will work on the in-house middle office platform and a new trading platform, interfacing with pricing and reporting APIs.

The role requires resilience as you will work closely with traders on FX and Fixed Income projects; knowledge of FX instruments and trade processing is a plus.

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