Lead Java Developer (Server-side, Microservices) Bank - London

Salt
London, United Kingdom
2 weeks ago
£431 – £690 pd

Salary

£431 – £690 pd

Seniority
Lead
Posted
19 Aug 2026 (2 weeks ago)

Lead Java Developer (Kafka, Microservices, Spring boot) - Bank - London/Hybrid

Daily rate: €600 - €800 (inside IR35)

Duration: 12 months

Start: ASAP

Hybrid: 8 days per month

My banking client is looking for contractors with strong Core Java expertise, as this role primarily involve server-side development. You will be required to be onsite 8 days per month in London office.

Responsibilities & Duties

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

Candidate Traits:

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.

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

Soft Skills:

Have the ability to motivate those you mentor, coach & lead

Be a stand-out colleague and role model, willing to participate in peer reviews and to be reviewed by peers

Be reliable, self-motivated and able to work without close management and supervision

Possess inspiring communication and presentation skills to present proposals both orally and in writing

Have the demonstrable ability to complete work within agreed timescales and identify problems and provide the most suitable solution(s)

Desirable Skills:

The following are not essential but would be a plus if the candidate can demonstrate any experience of:

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

*Rates depend on experience and client requirements

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