Java Backend Engineer for FinTech Trade Platform

Square One Resources is seeking a highly technical Java Web Developer to join a team in London. The role focuses on complex backend systems, high‑performance fintech platforms and evolving web applications.

You will design and implement Java services, work with Spring Boot, REST APIs, React integrations and maintain robust, scalable software. Responsibilities include debugging, performance tuning, Agile collaboration and delivering features in a fast-paced environment.

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