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.
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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