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# Senior Java Developer - Belfast

- **Company:** Synechron
- **Location:** Belfast, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Java (Programming Language), Application Programming Interfaces (APIs), Build Automation, Automation of Tests, Cloud Computing, Code Review, Continuous Integration, IBM DB2, Relational Databases, Elasticsearch, Gradle, JasperReports, Apache Maven, Message Broker, MongoDB, NoSQL, OpenShift, Oracle (Applications), Performance Tuning, Mockito, Swagger, TypeScript, Load Balancing, Spring-boot, Git, Event Driven Architecture, Kubernetes, Apache Kafka, Bitbucket, Kibana, Restful APIs, Software Version Control, Docker, Microservices
- **Published:** September 8, 2026
- **Apply:** https://www.collegerecruiter.com/job/2842194395-senior-java-developer-belfast

## About the Role

* Proven experience with Java 17+ and Spring Boot Microservices
 * Strong knowledge of event-driven architecture with Kafka
 * Hands-on experience with relational databases (DB2, Oracle) and NoSQL databases (MongoDB, Reactor.js, Typescript)
 * Familiarity with Docker, Kubernetes (Red Hat OpenShift), and Harness for container orchestration and CI/CD
 * Experience with build automation tools such as Maven and Gradle
 * Knowledge of RESTful API development, documented with Swagger
 * Experience with Monitoring & Logging tools like Kibana and Elasticsearch
 * Strong understanding of message brokers, load balancers, and cloud infrastructure
 * Experience with testing frameworks, especially Mockito
 * Ability to write clean, scalable, and maintainable code
 * Excellent problem-solving and communication skills

## Description

Synechron is looking for a Senior Java Microservices Developer to design, develop and maintain scalable, event-driven microservices using Java 17+ and Spring Boot. You will work with a modern tech stack, including Kafka, Docker, Kubernetes, and cloud-native tools, to deliver high-quality solutions that support a dynamic enterprise environment., * Design, develop, and deploy Java 17+ microservices using Spring Boot architecture

 * Collaborate with cross-functional teams to deliver robust APIs and microservices
 * Maintain and optimise RDBMS (DB2, Oracle) and NoSQL databases (MongoDB, Reactor.js, Typescript)
 * Create and manage cloud-native solutions with Docker, Kubernetes (Red Hat OpenShift), and Harness
 * Write and maintain automated tests using Mockito and integrate with CI/CD pipelines
 * Utilise version control systems like Git and Bitbucket for source management
 * Build and manage project dependencies and builds using Gradle and Maven
 * Develop reporting solutions with JasperReports
 * Configure and monitor applications with Kibana and Elasticsearch
 * Use Swagger for API documentation and testing
 * Work within a containerised environment leveraging Load Balancers and other cloud infrastructure components
 * Participate in continuous improvement initiatives, including code reviews, system tuning, and automation


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