Outside Spy
United Kingdom
Principal Developer - FX Trading Systems (Java / C++) Location: London or Nottingham (Hybrid) Rate: £490 per day (Outside IR35) Contract: Initial contract until end of year, with strong likelihood of extension as part of a multi-year programme. The Opportunity An established financial services organisation is seeking an experienced Principal Developer to play a key role in the architecture and development of a high-performance FX Matching Venue. This is a senior technical leadership role within a large, multi-year programme focused on building next-generation trading infrastructure. The successful candidate will combine deep Java expertise, exposure to C++, and strong experience delivering low-latency trading platforms, particularly within FX markets. Key Responsibilities Lead the architecture and development of a high-performance FX Exchange platform using Java as the primary language, with some exposure to C++. Design scalable and resilient systems supporting FX Spot and...