Inside IR35 Central London - Hybrid - 3 days on site, 2 days remote 12 months Brief Our client is seeking a Low Latency Java Developer with hands-on experience in FIXprotocol integration to join their FX Options technology team. You will play a hands-on role in modernising and optimising the trading platform , delivering ultra-low latency solutions … for front-office trading and risk management. Key Responsibilities Develop, optimise, and maintain low latency Java-based trading systems Implement and maintain FIXprotocol connectivity for FX Options trading Work closely with Quants, Traders, and Risk teams to translate business requirements into high-performance solutions Take ownership of the end-to-end performance of the platform , including debugging … Developer in front-office or trading environments Strong Java Core , multi-threading , and concurrent programming experience Proven experience with low latency system design and optimisation Hands-on experience with FIXprotocol integration Solid business knowledge of FX Options trading workflows Excellent stakeholder management and communication skills Resilient, proactive, and comfortable working in a fast-paced trading environment Modis More ❯
Inside IR35 Central London - Hybrid - 3 days on site, 2 days remote 12 months Brief Our client is seeking a Low Latency Java Developer with hands-on experience in FIXprotocol integration to join their FX Options technology team. You will play a hands-on role in modernising and optimising the trading platform , delivering ultra-low latency solutions … for front-office trading and risk management. Key Responsibilities Develop, optimise, and maintain low latency Java-based trading systems Implement and maintain FIXprotocol connectivity for FX Options trading Work closely with Quants, Traders, and Risk teams to translate business requirements into high-performance solutions Take ownership of the end-to-end performance of the platform , including debugging … Developer in front-office or trading environments Strong Java Core , multi-threading , and concurrent programming experience Proven experience with low latency system design and optimisation Hands-on experience with FIXprotocol integration Solid business knowledge of FX Options trading workflows Excellent stakeholder management and communication skills Resilient, proactive, and comfortable working in a fast-paced trading environment Modis More ❯
scalability in trade execution. Key Responsibilities Lead design, development, and deployment of the OMS-Fidessa EMS integration, covering order entry, execution feedback, and trade allocation workflows. Define and implement FIXprotocol connectivity, including session setup, drop copy feeds, execution reports, and order routing. Work closely with Fidessa technical teams to establish robust API, feed, and service-level integrations … trade life cycle, including order creation, execution capture, allocations, trade booking, and regulatory reporting. Knowledge of pre-trade risk controls, position keeping, and market data dependencies. Required Skillset Extensive FIXprotocol experience, including versions 4.2, 4.4 and 5.0 Hands-on experience configuring Fidessa EMS integrations - order flows and drop copy feeds. Hands-on experience managing EMS Routing rules More ❯
Gradle , and continuous integration tools Confident communicator with experience in front-office trading environments Desirable Knowledge of benchmark algos (VWAP, TWAP, Arrival Price) and smart order routing Understanding of FIXprotocol , market data , and exchange connectivity Experience in equities and/or derivatives electronic trading systems Exposure to agile development and high-frequency trading architectures McGregor Boyall is More ❯