Senior Java Developer

Job ID: 6815Location: LondonSalary: 85,000-95,000 per yearPosted: 2026-04-16Senior Java Developers with a passion for cutting-edge technology and a desire to work on a flagship platform rebuild, look no further for your next role!

We have an exceptional opportunity with a leading financial services technology vendor based in the heart of London. As a Senior Java Developer within this team, you will play a crucial role in the next phase of their growth, working on autonomous software at the core of their processes.

You will have the opportunity to bring the most cutting-edge technology to their global client pool, with a focus on low-latent messaging solutions and highly available event-driven services. Must have experience: 5+ years experience in JVM, we use both Kotlin and JavaMulti-threading, concurrency and Low-latency experienceExposure to Kotlin as well as Strings, Memory Management and associated problems a plusAutomated test experience, Unit testing and Integration testingAn understanding of message-driven programming and messaging systemsExperience with FIX and Kafka a huge plusTo excel in this role, you will need a minimum of 7 years’ experience in JVM, with proficiency in both Kotlin and Java.

Experience in multi-threading, concurrency, and low-latency is essential, as well as exposure to Kotlin, Strings, Memory Management, and associated problems. Automated test experience, including unit testing and integration testing, is also required.

An understanding of message-driven programming and messaging systems, along with experience in FIX and Kafka, would be highly advantageous. If you are ready to take the next step in your career and make a significant impact in the world of financial technology, apply now and join the team.

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