Description
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Role Overview
A leading markets organisation is expanding its E-Trading and Algorithmic Execution capability and is seeking experienced server-side Java engineers to join a cross-asset execution technology team. The role supports low-latency trading and execution platforms across Fixed Income, FX, and Futures, operating in a front-office, market-facing environment.
The successful candidate will work closely with traders, quants, and execution teams, contributing to the design, development, and optimisation of high-performance, latency-sensitive systems deployed in global co-location environments.
Key Responsibilities
Design, build, and enhance low-latency Java-based trading and execution applications
Contribute to algorithmic execution platforms across multiple asset classes
Collaborate closely with quants and trading desks to implement and evolve execution strategies
Optimise system performance, determinism, and stability
Develop and deploy services within containerised environments
Maintain and enhance systems running on physical infrastructure in co-location data centres
Participate in code reviews, architectural discussions, and production support as required
Required Technical Skills
Strong commercial experience with server-side Java in low-latency or performance-critical environments
Demonstrable background in electronic trading or market-facing systems
Solid understanding of low-latency system design and optimisation
experience with:
Linux (Red Hat preferred)
Linux kernel tuning and performance optimisation
Containers (Docker, Kubernetes, or similar)
Good understanding of networking concepts relevant to trading systems
Nice to Have
Direct experience working with front-office execution or trading desks
Exposure to algorithmic trading platforms
Understanding of market microstructure
experience working in co-location environments (e.g. London, Frankfurt, Milan, Tokyo
Skills
* Java
* LINUX
Job Title: FX Java Developer
Location: London, UK
Job Type: Permanent
Trading as TEKsystems. Allegis Group Limited, Maxis 2, Western Road, Bracknell, RG12 1RT, United Kingdom. No. 2876353. Allegis Group Limited operates as an Employment Business and Employment Agency as set out in the Conduct of Employment Agencies and Employment Businesses Regulations 2003. TEKsystems is a company within the Allegis Group network of companies (collectively referred to as \"Allegis Group\"). Aerotek, Aston Carter, EASi, Talentis Solutions, TEKsystems, Stamford Consultants and The Stamford Group are Allegis Group brands. If you apply, your personal data will be processed as described in the Allegis Group Online Privacy Notice available at
To access our Online Privacy Notice, which explains what information we may collect, use, share, and store about you, and describes your rights and choices about this, please go to
We are part of a global network of companies and as a result, the personal data you provide will be shared within Allegis Group and transferred and processed outside the UK, Switzerland and European Economic Area subject to the protections described in the Allegis Group Online Privacy Notice. We store personal data in the UK, EEA, Switzerland and the USA. If you would like to exercise your privacy rights, please visit the \"Contacting Us\" section of our Online Privacy Notice at for details on how to contact us. To protect your privacy and security, we may take steps to verify your identity, such as a password and user ID if there is an account associated with your request, or identifying information such as your address or date of birth, before proceeding with your request. If you are resident in the UK, EEA or Switzerland, we will process any access request you make in accordance with our commitments under the UK Data Protection Act, EU-U.S. Privacy Shield or the Swiss-U. xsngvjr S. Privacy Shield.