Core Java Developer

Overview

As a senior Java Developer at a pioneering fintech start-up, you will design and implement high-performance, scalable backend services that power the company’s big data platform. You’ll work closely with cross-functional teams in an agile, test-driven environment to shape product offerings and deliver measurable business impact. This role offers visible influence on the product roadmap and an opportunity to explore new technologies to advance the platform. London-based, with a focus on transforming financial technology.

Responsibilities

• design and implement backend services with a focus on performance and scalability
• contribute to business functionality and product offerings
• work in an agile, test-driven environment to shape architecture
• prototype and evangelise new technologies and approaches
• collaborate with cross-functional teams to deliver impact on the product roadmap

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

• highly motivated
• deliver-focused and accountable
• strong communicator
• Hadoop and Flink
• JUnit 5, Mockito, Avro
• Linux, Jenkins

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