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.
10/07/2026
Full time
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.
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.
07/07/2026
Full time
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.
Salt Digital Recruitment is seeking a Senior Java Engineer for a major banking client in London. This 12-month freelance role offers a daily rate between £550 - £750, with a mandatory in-office presence 8 days per month. The ideal candidate will have solid experience in core Java, Docker, Kubernetes, and contributing to Agile teams. This is an excellent opportunity to work on the migration to a modern event-based architecture.
07/07/2026
Full time
Salt Digital Recruitment is seeking a Senior Java Engineer for a major banking client in London. This 12-month freelance role offers a daily rate between £550 - £750, with a mandatory in-office presence 8 days per month. The ideal candidate will have solid experience in core Java, Docker, Kubernetes, and contributing to Agile teams. This is an excellent opportunity to work on the migration to a modern event-based architecture.
Senior Java Engineer (Kubernetes, Kafka, SpringBoot) - Finance - London Daily rate: £550 - £750 (inside IR35) - Duration: 12 months - Hybrid: 8 days per month - Start: ASAP A banking client is looking for a Senior Java Engineer with Kafka and Docker skills to join the team on a freelance basis. Must be based in the UK and be happy to be on site 8 days per month which is mandatory. Responsibilities & Duties 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 and ensures compliance with the Enterprise engineering and architecture standards. Ensure end to end consistency of solution delivery across platforms and teams by organising walkthroughs of the solution with delivery teams. Ensure that the solution meets guidelines and standards for design and development; undertake hands on development and coach 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 (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 deploying on Unix or Linux. Hands on experience using the Kafka ecosystem. Experience with profiling and performance tuning. Experience with Behaviour Driven and Test Driven development principles and skills. Experience with 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, Splunk. DevOps principles, processes, and tooling. IBM MQ Messaging Standards (ISO 15022, ISO 20022, JSON). Working in Financial Market Infrastructure and/or Regulated environments. Rates depend on experience and client requirements.
07/07/2026
Full time
Senior Java Engineer (Kubernetes, Kafka, SpringBoot) - Finance - London Daily rate: £550 - £750 (inside IR35) - Duration: 12 months - Hybrid: 8 days per month - Start: ASAP A banking client is looking for a Senior Java Engineer with Kafka and Docker skills to join the team on a freelance basis. Must be based in the UK and be happy to be on site 8 days per month which is mandatory. Responsibilities & Duties 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 and ensures compliance with the Enterprise engineering and architecture standards. Ensure end to end consistency of solution delivery across platforms and teams by organising walkthroughs of the solution with delivery teams. Ensure that the solution meets guidelines and standards for design and development; undertake hands on development and coach 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 (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 deploying on Unix or Linux. Hands on experience using the Kafka ecosystem. Experience with profiling and performance tuning. Experience with Behaviour Driven and Test Driven development principles and skills. Experience with 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, Splunk. DevOps principles, processes, and tooling. IBM MQ Messaging Standards (ISO 15022, ISO 20022, JSON). Working in Financial Market Infrastructure and/or Regulated environments. Rates depend on experience and client requirements.