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Java Architect
Job in
Belfast City District, Belfast, County Antrim, BT1, Northern Ireland, UK
Listed on 2026-10-17
Listing for:
W3Global
Full Time
position Listed on 2026-10-17
Job specializations:
-
Software Development
Backend Developer, Java Developer
Job Description & How to Apply Below
Seeking a Specialist with 5 to 7 years of experience in Java REST API development caching and performance optimization to design develop and enhance scalable cloud native applications with a focus on performance testing and asynchronous API delivery
Job SummarySeeking a Specialist with 5 to 7 years of experience in Java REST API development caching and performance optimization to design develop and enhance scalable cloud native applications with a focus on performance testing and asynchronous API delivery
Job Description- Design and develop robust Javabased microservices and APIs following cloud native principles
- Migrate TPS Trade Entry services to Open Shift and optimize input channel configurations against instance allocation for improved performance
- Implement local caching of reference data within APIs and Trade Entry services to enhance response times
- Develop and enhance performance testing tools including tracing data capabilities using emerging tools like K6 and Gatling
- Automate API testing using Rest Assured to ensure high quality deliverables
- Plan and execute performance testing strategies including workload modeling and risk mitigation
- Implement asynchronous API delivery modes to improve system responsiveness and scalability
- Collaborate with cross functional teams to integrate microservices within cloud environments ensuring scalability and reliability
- Troubleshoot and resolve issues across development testing and production environments
- Stay current with emerging Java API caching and performance testing technologies and best practices to continuously improve application performance and architecture
- Lead the design and implementation of Java microservices and APIs in a cloud native environment
- Oversee the migration and optimization of TPS Trade Entry services to Open Shift
- Implement and maintain local caching strategies for reference data in APIs and Trade Entry components
- Enhance performance testing tools and methodologies including tracing data enhancements
- Develop and maintain automated API test suites using Rest Assured
- Plan manage and execute performance testing activities including strategy formulation and workload modeling
- Implement and support asynchronous API delivery mechanisms
- Mentor and provide technical guidance to junior team members within the JAVA CLOUDNATIVE skill cluster
- Participate actively in Agile ceremonies such as sprint planning daily standups and retrospectives
- Ensure adherence to coding standards security best practices and organizational policies throughout the development lifecycle
Mandatory Skills : API/Microservices Rest Assured Testing, Java, Performance Testing
-Emerging Tools (K6,Gatling)
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