Senior Java Engineer ( SpringBoot, Microservice, Kafka)
We are urgentlyseeking a highly skilled Senior Java Engineer to join our client team based inIreland on a hybrid working model. This is a subcontractor opportunity for acandidate who can demonstrate strong, current, and hands-on engineeringexpertise across the Java ecosystem. The successful candidate will be expectedto contribute meaningfully from day one, working within a large-scaledistributed services environment.
Requirements
TECHNICAL SKILLS
Mandatory Strong Required Nice to Have
- Spring Boot
- Microservices
- Kafka
- OOP / Design Patterns
- REST APIs
- Distributed Systems
- Git / CI-CD
- SQL / NoSQL Databases
REQUIREMENTS
- Minimum 8 years of active,hands-on Java development — candidates must demonstrate current, workingproficiency, not experience from several years ago.
- Strong, up-to-dateexpertise in Java OOP principles, concurrency, and modern Java features;recent and regular practice is essential.
- Proven, current hands-onexperience with Spring Boot — candidates must be able to build and discuss Spring Boot applications confidently during technical evaluation.
- Real-world codingexperience in microservices architecture — candidates must be able to describe actual implementations and write microservices code; conceptualunderstanding alone is not sufficient.
- Solid practical knowledgeof Apache Kafka in a production setting, including producing, consuming, and managing topics — basic or introductory exposure will not meet the requirement.
- Experience working in Agile/ Scrum delivery environments.
- Good communication skills and ability to collaborate effectively with onsite and distributed teams.
RESPONSIBILITIES
- Design, develop, andmaintain scalable backend services using Java and Spring Boot.
- Build and evolvemicroservices within a distributed systems architecture.
- Develop and maintainKafka-based event-driven pipelines.
- Conduct and participate incode reviews to uphold code quality standards.
- Collaborate witharchitects, product owners, and cross-functional teams to deliver features end-to-end.
- Contribute to technicaldocumentation, design decisions, and best practices.