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Senior Java Developer - KOTLIN at Reed.co.uk

Position Senior Java Developer - KOTLIN
Posted 14 Mar 2026
Expired 13 Apr 2026
Company Reed.co.uk
Location London | GB
Job Type Full Time

Job Description:

Latest job information from Reed.co.uk for the position of Senior Java Developer - KOTLIN. If the Senior Java Developer - KOTLIN vacancy in London matches your qualifications, please submit your latest application or CV directly through the updated Jobkos job portal.

Please note that applying for a job may not always be easy, as new candidates must meet certain qualifications and requirements set by the company. We hope the career opportunity at Reed.co.uk for the position of Senior Java Developer - KOTLIN below matches your qualifications.

Senior Java Developer Location: London (Hybrid – 3 days in office) Role Overview We are seeking a highly skilled  Senior Java Developer to join the  eFX Algo IT team as a  Subject Matter Expert (SME)in low latency trading systems. This is a hands-on development role focused on building and enhancing pricing, hedging, and market connectivity systems for the eFX trading desk. You’ll be working in a fast-paced, front-office environment, collaborating closely with developers, business analysts, project managers, and QA teams. This role demands deep technical expertise in  Java , particularly in  low latency environments , and a strong understanding of  FX trading systems . You’ll be expected to contribute to all phases of the software development lifecycle, from design and prototyping to deployment and support. Key Responsibilities Design and develop high-performance, low-latency Java applications for pricing, hedging, and market connectivity. Collaborate with Front Office and IT teams to gather requirements and deliver analytics and trading solutions that directly impact P&L. Rapidly prototype solutions in an agile environment with evolving priorities. Participate in sprint planning, estimation, and provide regular updates to project managers. Create and maintain technical documentation including design specs, functional requirements, and unit tests. Provide third-line support and technical assistance to production support teams. Participate in software releases, which may occasionally occur outside regular working hours. Ensure compliance with internal policies and regulatory requirements, including financial crime prevention and mandatory training. Required Skills & Experience Technical Expertise Strong proficiency in  Java , including: Multithreading Low latency techniques Garbage collection optimization Performance monitoring and metrics design Solid understanding of  Linux/UNIX operating systems Experience with  real-time, mission-critical systems Familiarity with  networking tools (e.g., Wireshark),  Solace , and 10GbE multicast Knowledge of  FIX protocol and other market connectivity standards Domain Knowledge Front-office experience in  FX trading or  quantitative finance Understanding of  pricing algorithms ,  dynamic spreading , and  FX ECNs FX Options knowledge is a plus Methodologies & Collaboration Experience with Agile, Scrum, or Kanban delivery frameworks Strong communication skills with the ability to liaise between IT and trading desks Production stability mindset and ability to work with infrastructure and support teams Qualifications Bachelor’s degree (or equivalent) in Computer Science, Mathematics, Physics, or Engineering Postgraduate qualifications in advanced computing or statistical disciplines are desirable Competencies & Values Ability to quickly learn and apply new technologies Proactive in contributing ideas and innovations to the team Commitment to transparency, accountability, excellence, and client service quality

Job Info:

  • Company: Reed.co.uk
  • Position: Senior Java Developer - KOTLIN
  • Work Location: London
  • Country: GB

How to Submit an Application:

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