OverviewSr Lead Java Developer - FX Options – Inside IR35Central London – Hybrid (3 days on site, 2 days remote)Contract duration: 12 monthsBrief: My client is looking for an experienced Lead Java Developer with hands-on experience integrating Quant libraries to join their FX Options technology team. You will take a hands-on leadership role in re-engineering and modernising the trading platform, integrating complex Quant libraries and delivering solutions for the front office. Key Responsibilities

Lead the design and re-engineering of a core FX Options trading platform. Integrate Quant libraries (typically C++) into a Java-based system – focusing on integration, not C++ development. Deliver high-quality Java UI (Swing) components for front-office users. Work closely with Quants, Traders, and Risk teams to understand and translate business requirements. Provide technical leadership, oversee solution design, and drive best coding practices. Be hands-on in development, debugging, and platform optimisation.

Required Skills

5-10 years' experience as a Java Developer within front-office or trading environments. Strong Java Core and Swing. Proven experience integrating Quant or pricing libraries. Solid business knowledge of FX Options and trading workflows. Excellent stakeholder management and communication skills. Resilient, proactive, and comfortable working in a fast-paced trading environment.

Additional Details

Seniority level: Mid-Senior level Employment type: Full-time Job function: Information Technology Industry: Investment Banking

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