Java Developer

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Overview

We are seeking a Senior Java Developer / AI Engineer to design and build innovative payment products within a leading Fintech Challenger Bank. The contractor will collaborate with a dynamic engineering team to enhance the bank's offerings, particularly in savings products, leveraging their expertise in Java, Spring Boot, and AI technologies. The role requires a proactive problem-solver who is experienced in Fintech environments, with a particular focus on payment product development.

Responsibilities

  • Design and develop payment products tailored for the Fintech sector.
  • Utilize Java and Spring Boot to build robust applications.
  • Implement AI tools such as Claude and Codex to enhance product functionality.
  • Collaborate with cross-functional teams to define and refine product specifications.
  • Conduct code reviews and provide technical guidance to team members.
  • Engage in architecture discussions to ensure scalability and performance.
  • Monitor and optimize application performance post-launch.
  • Contribute to continuous improvement processes in development procedures.

Requirements

  • Proven experience in Java development with a strong focus on payment products.
  • Extensive knowledge of Spring Boot for application development.
  • Experience with AI tooling, particularly Claude or Codex.
  • Background in Fintech, specifically in payment services like current accounts, savings, or lending.
  • Familiarity with design and architecture principles in financial technology.
  • Hands-on experience with ISAs or similar financial instruments is highly desirable.
  • Strong problem-solving skills and ability to work independently in a fast-paced environment.
  • Relevant degree or equivalent experience in a related field.
SkillsJava, Spring Boot
LocationLondon Area
TypeHybrid
Rate
£75-£80/hour
SourceLinkedIn
RecruiterGravitas Recruitment Group (Global) Ltd
Posted04/06/26