Java Market Data Engineer — RTSDK Migration (Hybrid, London)

CBSbutler Holdings Limited trading as CBSbutler in London is seeking a skilled Java Engineer to lead the migration of a Futures algorithmic trading platform from LSEG/Refinitiv RFA to RTSDK. The role is hybrid (3 days per week in the office) and centers on preserving trading functionality and low-latency performance during the transition.

The candidate will analyse current market data usage, implement framework changes, and develop tests with AI-assisted tooling to accelerate delivery while