This range is provided by Reed. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Senior Consultant | Development, Testing and Data | London

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 PandL.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 and Experience

Technical ExpertiseStrong proficiency in

Java , including:MultithreadingLow latency techniquesGarbage collection optimizationPerformance monitoring and metrics designSolid understanding of

Linux/UNIX operating systemsExperience with

real-time, mission-critical systemsFamiliarity with

networking tools

(e.g., Wireshark),

Solace , and

10GbE multicastKnowledge of

FIX protocol

and other market connectivity standardsDomain KnowledgeFront-office experience in

FX trading

or

quantitative financeUnderstanding of

pricing algorithms ,

dynamic spreading , and

FX ECNsFX Options knowledge is a plusExperience with Agile, Scrum, or Kanban delivery frameworksStrong communication skills with the ability to liaise between IT and trading desksProduction stability mindset and ability to work with infrastructure and support teamsQualifications

Bachelor’s degree (or equivalent) in Computer Science, Mathematics, Physics, or EngineeringPostgraduate qualifications in advanced computing or statistical disciplines are desirableAbility to quickly learn and apply new technologiesProactive in contributing ideas and innovations to the teamCommitment to transparency, accountability, excellence, and client service quality

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