Frontend Engineer (Trading Systems)

Frontend Engineer (Trading Systems)   Contract Length: 8 months initially Work Model: Hybrid (3 days onsite per week at Krakow or Wroclaw office) Rate: €250 - €300 per day   I'm currently partnering with a leading global financial institution on a contract opportunity for a React/JavaScript Developer to join a high-performing team building real-time desktop applications within a trading environment. This role focuses on developing high-performance applications running within an OpenFin desktop ecosystem, enabling seamless communication between financial systems.   What we're looking for: • Strong JavaScript experience, particularly asynchronous programming (async/await, Promises, event-driven architectures) • Solid React development experience • Experience with OpenFin or similar desktop containers (e.g. Glue42, Finsemble, Electron in financial environments) • Exposure to inter-application messaging / interoperability standards (e.g. FDC3) is highly desirable • Strong debugging and performance optimisation skills in real-time systems