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

  • Salt Digital Recruitment
  • 12/06/2026
Full time Information Technology Telecommunications Java Oracle Testing

Job Description

Senior Java Engineer (Kafka, Kubernetes, SpringBoot) - Banking - London/Hybrid

Daily rate: €600 - €700 (inside IR35) Duration: 12 months Start: ASAP

My client is looking for a Senior Java Engineer to join on 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.

Responsibilities & Duties
  • Work as part of an Agile development team to deliver the migration of the legacy application to a new event based and service oriented architecture solution, collaborating 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 and complies with Enterprise engineering and architecture standards.
  • Ensure end to end consistency of solution delivery across platforms and teams, e.g. by organising walkthroughs of the solution with delivery teams.
  • Ensure the solution meets guidelines and standards for design and development.
  • Undertake hands on development and coach staff in the new technologies used; support the development of junior colleagues.
Technical Skills
  • 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 developing services/micro services in Java.
  • Experience developing containerised services using Docker and Kubernetes.
  • Hands on SpringBoot skills.
  • Experience 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.
Soft Skills
  • Ability to motivate those you mentor, coach & lead.
  • Stand out colleague and role model, willing to participate in peer reviews and be reviewed by peers.
  • Reliable, self motivated and able to work without close management and supervision.
  • Inspiring communication and presentation skills to present proposals orally and in writing.
  • Demonstrable ability to complete work within agreed timescales and identify problems and provide the most suitable solution(s).
Desirable Skills
  • 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, e.g. ISO15022, ISO20022 and JSON.
  • Working in Financial Market Infrastructure and/or Regulated environments.

Rates depend on experience and client requirements.