Referment is partnering with a top-performing hedge fund that is seeking a Software Engineer with strong FIXconnectivity experience to join their high-calibre Engineering team. This is an exciting opportunity to contribute to a world-class trading environment that values autonomy, innovation, and technical excellence. You … of developers, building and supporting tools that underpin the fund's trading and investment workflows, with a particular focus on trading systems integration and FIX protocol. This is a highly visible role, working closely with traders, portfolio managers, and other stakeholders to deliver robust solutions across the full SDLC. … Technologies & Platform Core platform: .NET (C#), SQL Server, KDB+. UI: WPF desktop. Scripting/strategy layer: Python. Messaging and connectivity: FIX protocol, REST APIs. Key Responsibilities For The Role Include Lead the implementation and enhancement of FIXconnectivity solutions for trade execution and post-trade workflows. More ❯
The Role: The FIXConnectivity Engineer works part of a global operations team responsible for on-boarding and maintaining services for buy-sides/sell-sides on ION's FIX Network at an application level. These buy-sides/sell-sides use both ION trading solutions as … application level connections between clients on the ION network To analyse, implement and certify new client/services on the ION network using the FIX protocol To liaise with clients, third party vendors, and internal teams regarding FIX-based projects To offer 3rd line support to the ION More ❯
with who is eager to deepen their expertise in electronic trading operations across Equities and FX. Key responsibilities include: Managing client onboarding, account setup, FIXconnectivity, and guiding certification processes. Monitoring live trading activity, platform performance, and ensuring smooth order and trade lifecycle events. Supporting regulatory and compliance … years in trading operations or client support at an MTF, trading venue, or trading firm. Knowledge of European equities and FX markets. Familiarity with FIX protocol, market data feeds, and trading systems. Strong analytical and troubleshooting skills. Excellent communication skills. Experience with SQL, Grafana, or scripting languages like Python More ❯
data-intensive applications that scale elastically meet tough performance requirements. You will work within a pod of 5 on core trading services, order routing, FIXconnectivity, real-time price services, database designs, cloud-based micro-services, big data solutions and more. Good general Core Java, algorithms etc is More ❯
