Senior Java Engineer – Azure – Finance Domain – London

Company: Salt Digital Recruitment
Apply for the Senior Java Engineer – Azure – Finance Domain – London
Location: London
Job Description:

Senior Java Engineer (Azure) – Finance – London Daily rate: €500 – €700 (inside IR35) Duration: 12 months Hybrid: 8 days per month Start: ASAP

A banking client of mine is looking for a Senior Java Engineer with Azure and Kafka experience to join the team on a freelance basis. We are specifically looking for an individual with strong Core Java expertise, as this role primarily involves server-side development. Must be based in the UK and happy to be on site 8 days per month which is mandatory.

Responsibilities

  • Working 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, 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 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.

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 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.

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 and Splunk.
  • DevOps principles, processes and tooling.
  • IBM MQ Messaging Standards, for example ISO15022, ISO20022 and JSON.
  • Working in Financial Market Infrastructure and/or Regulated environments.

Rates depend on experience and client requirements.

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Posted: June 1st, 2026