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Senior Java Engineer
AIDA Recruitment
Source: Headcount Labs · original listing ↗
Job data: Headcount Labs, ODbL 1.0. Job descriptions belong to their employers.
Posted 2 days ago
About this role
Location: Dublin, Ireland Working Model: On-site Contract Type: B2B Hourly Rate: $30–32/hour Industry: Enterprise Software / Backend Systems English: Fluent Job Summary For our client, we are looking for an experienced Senior Java Engineer to join a Dublin-based engineering team working on complex enterprise software solutions. In this role, you will design, develop, and maintain scalable backend services using Java, Spring Boot, and microservices architecture . You will contribute to architectural decisions, build reliable integrations, and ensure applications are resilient, maintainable, and ready for production. This opportunity is ideal for an engineer who enjoys solving complex technical challenges, takes ownership of backend development, and has strong experience building enterprise-grade systems. Key Responsibilities • Design, develop, and maintain scalable backend services using Java and Spring Boot . • Build microservices and event-driven applications for complex enterprise environments. • Translate business requirements into clean, maintainable services, APIs, and workflows. • Design and implement reliable integrations, error handling, and resilience mechanisms. • Contribute to system architecture, performance optimization, and technical design decisions. • Develop automated tests and maintain high standards of code quality. • Participate in code reviews, CI/CD improvements, and engineering best practices. • Collaborate with engineers, architects, and business stakeholders. • Use AI-assisted development tools to improve productivity while maintaining code quality. Requirements • Strong commercial experience in Java and Spring Boot development. • Proven experience designing and delivering microservices and event-driven architectures . • Strong understanding of REST APIs, API-first design, and backend integrations . • Solid knowledge of Domain-Driven Design (DDD), SOLID principles, and system design . • Practical understanding of CQRS and Event Sourcing patterns. • Experience implementing workflows, state machines, and resilience patterns. • Hands-on experience with relational and NoSQL databases . • Strong knowledge of automated testing, CI/CD pipelines, and code review practices. • Experience troubleshooting and optimizing production systems. • Strong analytical and problem-solving skills. • Fluent English communication skills. • Ability to work on-site in Dublin, Ireland.