Insight Global
Senior Java Software Engineer
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Insight Global are seeking a Senior Java Developer for a leading global banking and financial services organisation.
This position requires 3 days onsite in Chester, England for a 12-month rolling contract with strong extension potential.
The organisation is expanding its global liquidity management platform to support increased transaction volumes and onboard new clients. The successful candidate will play a key role in modernising a critical banking platform, leading the migration from a monolithic architecture to scalable microservices while supporting regulatory-driven SWIFT and ISO 20022 messaging initiatives.
This is a highly hands-on senior engineering position that offers the opportunity to work on large-scale transformation projects within a complex, regulated environment.
Key Responsibilities:
- Decompose and migrate a core liquidity management platform from a monolithic architecture to microservices
- Design, develop and maintain RESTful APIs using Java and Spring Boot
- Deliver SWIFT message modernisation initiatives and support ISO 20022 migrations
- Improve platform reliability, scalability and operational stability
- Develop and maintain automated testing frameworks using JUnit and JMock
- Build, enhance and support CI/CD pipelines using Jenkins, XL Release (XLR) and Ansible
- Optimise Oracle database interactions, including SQL and PL/SQL development
- Develop Unix and Bash scripts for automation and operational support
- Collaborate with cross-functional technology and business teams to deliver strategic platform enhancements
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Must-Have Requirements Include:
- Strong hands-on Java development experience
- Expertise with Spring Boot, including Spring MVC and Spring Batch
- Experience designing and developing REST APIs
- Strong Unix/Linux administration and Bash scripting skills
- Automated testing experience with JUnit and JMock
- Oracle database expertise, including SQL, PL/SQL and performance optimisation
- Experience with CI/CD tools such as Jenkins, XLR and Ansible
- Proven experience migrating monolithic applications into microservices architectures
- Eligibility to work in the UK without sponsorship (British Citizen, Settled Status or Indefinite Leave to Remain)
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Plusses Include:
- Liquidity management experience, including sweeping, notional pooling or cash concentration
- Banking, payments or transaction banking experience
- Knowledge of SWIFT messaging standards
- Experience with ISO 20022 migrations
- Exposure to GitHub Copilot or other AI-assisted development tools
- Experience working within highly regulated environments
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