Top Java Developer Jobs in Dublin

Design and build scalable Java backend services and REST APIs, lead technical design, integrate third-party partners, champion engineering best practices (CI/CD, testing, observability), mentor engineers, and troubleshoot production issues while promoting reliability and performance.

Develop and maintain the Prime Sequel Platform's P&L allocation engine. Design scalable Java microservices, perform feasibility analysis, lead SDLC phases, ensure performance and compliance, mentor junior engineers, and collaborate with global stakeholders to deliver robust, production-grade financial systems.

The Senior Java Developer will lead the design and implementation of scalable solutions, mentor junior members, and collaborate effectively with stakeholders to enhance system capabilities and drive innovation within the team.

Design, develop, and deliver Java/J2EE Spring-based multi-layer applications and APIs. Create web services, database schemas, PL/SQL/stored procedures on DB2/Oracle. Collaborate on design, code reviews, testing, and CI/CD with Jenkins/uDeploy, enforce code quality (Sonar), and coordinate across technical teams while supporting process improvements.

Design and improve Elasticsearch distributed-systems components for consistent, concurrent indexing and cluster coordination. Scale shards, nodes, and petabyte datasets, diagnose performance and concurrency issues, support operations/support teams, and own end-to-end projects including technical design and cross-team development.

Design, implement, and scale Elasticsearch distributed systems: improve concurrent indexing, maintain cluster coordination, optimize performance at petabyte scale, debug concurrency and performance issues, and lead cross-engineer projects.

As an Automation QA Engineer, you'll test payment integrations, define test scope, develop automation plans, and build reliable automated tests to ensure product quality and continuous improvement.

Serve as a senior Java full-stack engineer building and maintaining backend services for blockchain applications, integrate APIs with React/Vue frontends, design scalable enterprise blockchain solutions, troubleshoot complex backend issues, and collaborate with cross-functional teams to apply best practices.

Optimize and scale blockchain node performance, design and implement core system plugins, collaborate across teams to integrate blockchain solutions, conduct performance testing and debugging, and stay current on blockchain and infrastructure trends.