Contract - Java Developer (FX Trading) in London

Contract - Java Developer (FX Trading) in London

London Full-Time 60000 - 70000 £ / year (est.) No working from home possible
United States Digital Space LLC

At a Glance

  • Tasks: Design and develop high-performance Java solutions for FX trading platforms.
  • Company: Join a leading financial services firm with a focus on innovation.
  • Benefits: Competitive day rate, hybrid work model, and potential for project extension.
  • Other info: Collaborative environment with opportunities for career growth.
  • Why this job: Make an impact in the fast-paced world of FX trading technology.
  • Qualifications: Strong Java development skills and FX experience required.

The predicted salary is between 60000 - 70000 £ per year.

Location: London

Job Type: Contract

Date published: 02-Jul-2026

Duration: 6 months (with potential to extend)

Contract Start Date: ASAP

Day Rate: Competitive (Inside IR35)

The Role:

We are looking for an experienced Java Developer to work in the Technology and Transformation Team. You will support the FX trading platforms with one of our global financial services clients. This position requires Java server-side development with FX experience within the Financial Services sector, excellent communication skills combined with the tech listed below.

Essential skill and experience:

  • Highly technical with strong Java server-side development experience.
  • Must have FX experience within the Financial Services sector.
  • Have pricing or algo-trading experience in any asset class.
  • Have full technology stack knowledge of Java, Linux and networks.
  • Have excellent communication skills to face off to tech management, Quantitative Strategies Group and trading desk.
  • Full SDLC experience, Git, Jenkins, Ansible etc.
  • Advanced programming skills including understanding of algorithms and data structures, design patterns, multi-threading.
  • Experience in 3rd line production support.
  • Have a degree in Computer Science, Physics, Engineering, Mathematics, or relevant analytical degree.
  • Be a strong team player.
  • KDB / Q experience (Desirable).

Deliverables:

  • Design, develop, and implement robust, scalable, and high-performance server-side Java solutions for our algorithmic trading platforms.
  • Engage with the full technology stack, from core Java development to Linux and network optimizations, ensuring seamless end-to-end performance.
  • Provide 3rd line production support to diagnose and resolve complex technical issues, ensuring the stability and reliability of our trading systems.
  • Work in close collaboration with the Quantitative Strategies Group and trading desk to understand requirements and deliver innovative solutions.
  • Participate in the full software development lifecycle (SDLC), utilizing tools such as Git for version control, Jenkins for continuous integration, and Ansible for deployment automation.
  • Effectively communicate technical concepts and project status to technology management and other stakeholders.

IR35: As a means of managing tax, commercial and reputational risks, the company prohibits the use of Associates through Personal Service Companies (‘PSCs’). All Associates must contract under PAYE arrangements through a company approved ‘Employment Company’ (aka ‘umbrella company’).

United States Digital Space LLC

Contact Details:

United States Digital Space LLC Recruitment Team

We think you need these skills to ace Contract - Java Developer (FX Trading) in London

Java Server-Side Development
FX Experience
Pricing or Algo-Trading Experience
Full Technology Stack Knowledge
Linux
Networking
Communication Skills