Top Java Developer Jobs in Dublin

Leads modernization of large-scale fraud rules and engine platforms, including migrations, scalable microservices, and high-throughput, low-latency systems. Provides technical leadership across architecture, security, compliance, project planning, and software delivery. Develops in Java, Python, and Go; mentors engineers; drives engineering excellence; and applies automation, performance tuning, resilient design, databases, and AI technologies such as generative AI and LLMs.

Lead modernization of large-scale fraud rules and engine platforms, driving migrations, architecture, secure software development, and scalable distributed systems. Lead early-stage projects, scope and estimate work, mentor engineers, and ensure alignment with architectural standards, infrastructure, security, and business needs. Develop high-quality code in Java, Python, and Go while promoting engineering excellence, automation, performance, reliability, and continuous improvement across global, high-throughput platforms.

Leads modernization of fraud rules and engine platforms, large-scale migrations, and development of highly scalable, secure, low-latency systems. Provides architectural leadership, drives early-stage engineering projects, ensures compliance with technical standards, mentors developers, and collaborates across teams. Requires hands-on expertise in Java, Python, or Go; microservices, distributed systems, databases, DevOps, security, and high-availability platforms, with familiarity with generative AI and LLMs.

Leads modernization of large-scale fraud rules and engine platforms, including migrations, architecture, scalable software development, and early-stage project delivery. Provides technical leadership across cross-functional teams, mentors engineers, ensures security and architectural compliance, and drives engineering excellence. Designs high-throughput, low-latency distributed systems using Java, Python, Go, databases, microservices, and emerging AI technologies. Supports planning, estimation, performance tuning, automation, and continuous improvement.

Lead modernization of fraud rules and engine platforms, driving large-scale migrations and scalable, low-latency software development. Provide architectural leadership, ensure security and compliance, guide project planning, mentor engineers, and promote engineering excellence. Develop and review secure code across Java, Python, and Go while supporting distributed systems, databases, DevOps practices, AI-enabled fraud solutions, and continuous improvement.

Leads modernization of high-throughput fraud rule platforms and large-scale migrations. Provides architectural direction, designs secure and scalable distributed systems, leads software development projects, and ensures alignment with business, infrastructure, and security requirements. Codes in Java, Python, and Go; mentors engineers; drives technical excellence; and supports planning, estimation, performance tuning, automation, and continuous improvement across global platforms.

Leads modernization of fraud rules and engine platforms, large-scale migrations, and scalable distributed software development. Provides architectural direction, ensures security and compliance, drives early-stage projects, mentors engineers, and promotes engineering excellence. Develops high-quality software in Java, Python, and Go while designing high-throughput, low-latency systems. Responsibilities include project estimation, technical leadership, performance tuning, automation, documentation, and collaboration across teams.

Leads modernization of large-scale fraud rules and engine platforms, including migrations, scalable distributed systems, and high-throughput services. Provides architectural direction, ensures security and compliance, leads early-stage software projects, mentors engineers, and drives engineering excellence. Develops secure code in Java, Python, and Go while applying microservices, database, automation, performance-tuning, and reliability best practices. Familiarity with generative AI and LLMs for fraud rules is also expected.

Leads modernization of large-scale fraud rules and engine platforms, including migrations, architecture, scalable software development, and early-stage project delivery. Provides technical thought leadership, ensures architectural and security compliance, mentors engineers, and drives engineering excellence. Develops secure, high-quality code in Java, Python, and Go while designing highly available, low-latency distributed systems. Applies expertise in microservices, databases, DevOps, performance tuning, automation, and financial or banking technology.

Leads modernization of fraud rules and engine platforms, including large-scale migrations and scalable, high-throughput systems. Provides technical leadership across architecture, design, security, compliance, planning, estimation, and delivery. Develops secure software in Java, Python, and Go, mentors engineers, drives engineering excellence, and collaborates cross-functionally. Requires expertise in microservices, distributed systems, databases, DevOps, performance tuning, automation, and software development processes.

Leads modernization of fraud rules and engine platforms, including large-scale migrations and early-stage software projects. Provides architectural guidance, ensures security and compliance, mentors engineers, and drives engineering excellence. Develops scalable, high-throughput, low-latency systems using Java, Python, Go, microservices, relational and NoSQL databases. Collaborates cross-functionally on requirements, planning, estimation, technical design, and continuous improvement.

Develop backend software and agentic AI solutions using Java, Spring Boot, microservices, and REST APIs. Design scalable systems, integrate relational and distributed data stores, and deploy across AWS and Azure. Implement automated testing, CI/CD, observability, and production readiness practices. Collaborate across teams and stakeholders, deliver complex software solutions, and mentor engineers. The role is hybrid in Dublin, Ireland, with 9 AM–6 PM working hours.

Senior backend engineer responsible for designing, developing, testing and deploying on-premise and cloud microservices for an AI-driven digital pathology product. Work with cross-functional agile teams, use containerization and cloud tech, support monitoring and troubleshooting, drive development best practices, and complete required regulated-environment compliance training.

Develop and maintain foundational Elasticsearch infrastructure, APIs, shared services, scripting, observability, and cloud orchestration. Design horizontally scalable features, resolve complex performance and concurrency issues, improve automation and developer productivity, and lead cross-team engineering projects. The role requires strong Java expertise, ownership of operational investigations, collaboration across distributed teams, and effective use of AI in development and debugging.

Designs, operates, and improves the infrastructure supporting Citi’s digital asset platform. Responsibilities include OpenShift and container administration, infrastructure automation, platform integrations, root cause analysis, performance optimization, vulnerability assessments, observability, and production issue remediation. The role also manages Oracle integrations, load balancers, Kafka, networking, secrets and certificates, while producing technical documentation and collaborating across engineering and infrastructure teams to ensure secure, scalable, and highly reliable systems.

Develop and support Java applications using Java 8, Spring Boot, microservices, and Spring Batch. The role requires strong problem-solving, client communication, and collaboration skills, preferably within the banking domain. The developer must be willing to support weekend releases when required.

Design, build, and maintain cloud-ready Java microservices for a banking modernization program. Develop REST APIs, integrate Kafka or messaging platforms, implement automated tests, and deploy containerized services through CI/CD pipelines using Docker and Kubernetes/OpenShift. Contribute to architecture, code reviews, performance, resilience, security, observability, and production releases while collaborating in an Agile team.

Design, develop, and maintain scalable Java and Spring Boot backend services in a distributed microservices environment. Build Kafka-based event-driven pipelines, participate in code reviews, collaborate with architects and product teams, and contribute to technical documentation and design decisions. The role requires current hands-on expertise in Java, Spring Boot, microservices, Kafka, concurrency, and modern Java features, along with Agile/Scrum experience and strong communication skills.

Develop and maintain business-critical Java applications, implement workflow changes, investigate system dependencies, improve performance and code quality, address technical debt, collaborate with product, QA, DevOps, and business teams, participate in reviews and design discussions, and support releases, troubleshooting, and post-deployment stability.

Leads application development and engineering teams responsible for modernizing legacy platforms. Drives full-stack design, architecture, programming, testing, system enhancements, and integration across technology and business functions. Uses AI tooling and prompt engineering to accelerate development, resolves complex technical and business problems, establishes coding standards, manages delivery, advises developers, and ensures compliance, risk management, and alignment with enterprise architecture.

Design, develop, and maintain high-performance, secure Java backend services and APIs. Ensure reliability, scalability, and cost-efficiency across microservices, databases, messaging systems, and capacity planning. Troubleshoot, profile, benchmark, and optimize systems (including ML applications) and collaborate with Kazakhstan stakeholders.

Join a Dublin-based Agile team building Broadridge's cloud-native Securities-Based Lending platform. Design, develop, test and maintain full-stack applications and scalable backend services using Python, FastAPI, Java and Spring Boot; build RESTful APIs and microservices; deploy to AWS with CI/CD; perform code reviews; troubleshoot production issues; participate in architecture, sprint planning and mentor junior engineers.

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.