Java Engineer - Market Data Migration SME

Java Engineer – Market Data – 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 a legacy system, 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.

• Assess differences in market data fields and behaviour across relevant exchanges.

• Develop enhancements to Java applications and shared frameworks to support the migration.

• 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.

• 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:

• 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!