FX Java Developer
Location
London, England
Job Type
CONTRACTOR
Category
Computer Occupations
Posted
June 05, 2026
Your new role
We're looking for a Java Developer to join a large financial‑markets organisation on a long‑term modernisation programme. The role focuses on upgrading legacy systems, improving performance, and supporting both real‑time and batch‑processing services.
What you'll need to succeed
Strong Core Java (8 upwards; experience upgrading to 11/17/21 preferred).
Low‑latency or high‑performance engineering experience.
Spring Boot backend development.
Any React or full‑stack exposure is a plus.
C++ knowledge beneficial but not essential.
Experience in modernising or migrating legacy platforms.
What you'll get in return
Access to market leading technologies
Hybrid working arrangements.