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Java Engineer - Market Data

CBSbutler Holdings Limited trading as CBSbutlerLondon🇬🇧United Kingdom

Quick overview

Salary£85k - £110k/yr
SeniorityMid Senior
Employment typeFull Time
Work modeHybrid
LocationLondon, United Kingdom
TDDJava

Job description

Java Engineer - Market Data - LSEG/RTSDK Migration
Permanent
London - Hybrid 3 days per week
Salary - 85K - 110K
We are seeking an experienced Java Engineer with strong market data and electronic trading experience to support the modernisation of a Futures algorithmic trading platform.
The role will focus on migrating from the legacy LSEG/Refinitiv RFA API to RTSDK, analysing existing market data usage, implementing application and framework changes, and ensuring trading functionality and performance remain consistent throughout the transition.

Responsibilities

Analyse existing RFA market data usage and map functionality to RTSDK.
Assess differences in market data fields and behaviour across relevant exchanges.
Develop enhancements to Java applications and shared frameworks to support RTSDK.
Support a phased migration while maintaining compatibility and system stability.
Develop and execute automated, regression and integration testing.
Use AI-assisted development tools to improve coding, testing and productivity.

Skills and Experience

Strong experience with Futures & Options market data, particularly LSEG/Refinitiv. Proven Java development experience within electronic trading environments. Good understanding of market data, exchange feeds and trading workflows. Experience working with complex existing codebases and technology migrations. Strong focus on performance, scalability and low-latency processing. Experience with TDD, automated testing and regression testing. Familiarity with AI-powered development tools. Strong analytical, problem-solving and communication skills.

It would be an added advantage if you had any of the following

Previous RFA-to-RTSDK migration experience. Experience with low-latency trading and real-time market data systems. Knowledge of Futures market structure, exchange connectivity and market data
normalisation. Experience developing shared frameworks or platform libraries. Please apply for immediate interview! CBSbutler is operating and advertising as an Employment Agency for permanent positions and as an Employment Business for interim / contract / temporary positions.

CBSbutler is an Equal Opportunities employer and we encourage applicants from all backgrounds.

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