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Low Latency Java Developer - FX options - Inside IR35

Low Latency Java Developer - FX options - Inside IR35

On site

London, United kingdom

Mid level

Full Time

10-11-2025

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Skills

Communication Leadership Java Risk Management Stakeholder Management Architecture Programming Recruitment

Job Specifications

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 FIX protocol 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 FIX protocol 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, tuning, and optimising for ultra-low latency
Ensure adherence to best coding practices and provide technical leadership within the development team
Collaborate with cross-functional teams on architecture, design, and deployment of trading solutions

Required Skills

5-10 years' experience as a Java 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 FIX protocol 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 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.