IT & Software

Java Developer – FinTech

Quant Capital

London · Greater London · United Kingdom

Overview

In this senior Java role, you will contribute to a pioneering fintech platform by designing and implementing scalable backend solutions. You’ll work closely with cross-functional teams in an agile, test-driven environment to translate business needs into robust software. You’ll shape the product’s future through hands-on engineering and architectural input, delivering high-performance services. This is an opportunity to impact the core platform in a fast-paced, ambitious tech startup setting.

Responsibilities
  • Design and implement backend features with a focus on business functionality
  • Contribute to architectural decisions and evolving platform architecture
  • Work in an agile, test-driven setup and prototype new technologies
  • Deliver high-throughput, performant server-side services
  • Collaborate跨-functional teams to align engineering with business goals
  • Evangelise best practices and drive continuous improvement
Key requirements
  • 5+ years of Java development experience
  • Server-side multi-threaded Java
  • Ability to build high-throughput services where performance matters
  • Experience with continuous integration
  • Strong communication skills
  • strong communicator
  • highly motivated
  • accountable
  • Hadoop
  • Flink
  • JUnit 5

Reference: WJ-747_31158978 · Posted 01 Nov 2026

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