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Senior Java Engineer (Kafka, Kubernetes, SpringBoot) – Banking

United Kingdom, London 600.00 - 700.00 EUR / Day · Job Posted June 15, 2026
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Job Description

My client is looking for a Senior Java Engineer to join a contract basis. They need someone with strong core Java expertise as the role primarily involves server-side deployment. 8 days on site per month. The successful candidate will have demonstrable solutions design and development skills and experience alongside validated strong systems development experience at all stages of the software delivery lifecycle.

Job Responsibility

  • Working as part of an Agile development team to deliver the migration of the legacy application to new event-based and service-oriented architecture solution, working in collaboration with the Solution Architect, Technical Lead, Application architects and other stakeholders
  • Lead delivery of a coherent end-to-end IT solution that meets both functional and non-functional requirements
  • Ensuring that the IT solution complies with the Enterprise engineering and architecture standards
  • Ensuring end-to-end consistency of solution delivery across platforms and teams by, for instance, organising walkthroughs of the solution with delivery teams
  • Ensuring that the solution meets guidelines and standards for design and development
  • Undertaking hands-on development and coaching staff in the new technologies used
  • The successful candidate will be expected to support the development of more junior colleagues

Requirements

  • Strong systems development experience at all stages of systems development covering design, development, testing, live implementation and post implementation support
  • Strong hands-on Object-Oriented Design skills
  • Strong core Java programming skills
  • Experience of developing services/micro-services in Java
  • Experience of developing containerised services using Docker and Kubernetes
  • Hands-on SpringBoot skills
  • Experience of developing and deploying on Unix or Linux
  • Hands-on experience of using the Kafka ecosystem
  • Experience of profiling and performance tuning
  • Experience of Behaviour-Driven and Test-Driven development principles and skills
  • Experience of Public Cloud development

Nice to have

  • Working in an Agile development team
  • Designing and implementing platform independent, database independent event driven applications
  • Database design skills in technologies such as Oracle
  • Splunk
  • DevOps principles, processes and tooling
  • IBM MQ
  • Messaging Standards, for example ISO 15022, ISO 20022 and JSON
  • Working in Financial Market Infrastructure and/or Regulated environments
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