Senior Java Developer - FX Options - Inside IR35

Akkodis; City Of London; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

A leading technology services provider is seeking a Sr Lead Java Developer for their FX Options technology team in Central London. This hybrid contract role involves modernising the trading platform, integrating complex Quant libraries, and providing hands-on leadership in a fast-paced trading environment. Ideal candidates will have 5-10 years of experience in Java development, solid FX Options knowledge, and excellent communication skills.

Qualifications

• 5-10 years of experience as a Java Developer within front-office or trading environments.
• Proven experience integrating Quant or pricing libraries.
• Excellent stakeholder management and communication skills.

Responsibilities

• Lead the design and re-engineering of a core FX Options trading platform.
• Integrate Quant libraries into a Java-based system.
• Provide technical leadership and oversee solution design.

Skills

Java Core

Java Swing

Integration of Quant libraries

FX Options business knowledge

Stakeholder management

Communication skills

Job description

Overview

Sr Lead Java Developer - FX Options - Inside IR35

Central London - Hybrid - 3 days on site, 2 days remote

12 months

Brief

My client is looking for an experienced Lead Java Developer with hands-on experience integrating Quant libraries to join their FX Options technology team.

In this contract, you'll take a hands-on leadership role in re-engineering and modernising the client's trading platform, integrating complex Quant libraries and delivering solutions for the front office.

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 year's 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.

Modis International Ltd acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers in the UK. Modis Europe Ltd provide a variety of international solutions that connect clients to the best talent in the world. For all positions based in Switzerland, Modis Europe Ltd works with its licensed Swiss partner Accurity GmbH to ensure that candidate applications are handled in accordance with Swiss law.

Both Modis International Ltd and Modis Europe Ltd are Equal Opportunities Employers.

By applying for this role your details will be submitted to Modis International Ltd and/ or Modis Europe Ltd. Our Candidate Privacy Information Statement which explains how we will use your information is available on the Modis website