Top Java Developer Jobs in Dublin

Develop and maintain scalable backend services for a cloud-native securities-based lending platform using Python, FastAPI, Java, and Spring Boot. Design REST APIs and microservices, deploy resilient AWS solutions, maintain CI/CD pipelines and automated tests, troubleshoot production issues, participate in architecture and Agile ceremonies, conduct code reviews, and mentor junior engineers.

Design, build, and optimize a multi-region, highly-available Java/Scala microservices data pipeline processing thousands of messages/sec. Improve performance, implement fraud-detection pipelines with ML (Kafka/Kafka Streams), deploy to multi-cloud Kubernetes, and push frequent production releases to maintain five-nines uptime.

Develop and support scalable cloud-native applications for workforce management, customer experience, and operational processes. Build Java and Spring Boot backend services, React and TypeScript frontends, REST APIs, microservices, integrations, and PostgreSQL data models. Contribute to containerization, Kubernetes, Jenkins CI/CD, observability, security, testing, production support, and performance improvements while collaborating with cross-functional teams and clients.

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 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 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 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.

Design, develop, and deploy high-volume, low-latency Java applications and microservices. Lead full development lifecycle, write testable code, manage releases, improve architecture, and support Agile/Scrum processes.

Design, develop, test, deploy, and support scalable cloud-native applications using Java, Spring Boot, React, TypeScript, Node.js, PostgreSQL, microservices, and REST APIs. Build CI/CD pipelines, containerized deployments, integrations, observability, and secure distributed systems. Troubleshoot production issues and collaborate with Product, UX, QA, DevOps, Architecture, and clients. Workforce Management, Customer Experience, and contact center experience is advantageous.

Design, develop, test, deploy, and support scalable cloud-native applications using Java, Spring Boot, React, TypeScript, Node.js, microservices, REST APIs, and PostgreSQL. Build CI/CD pipelines, containerized deployments, integrations, observability, and secure distributed systems. Collaborate with product, UX, QA, DevOps, architecture, and clients while troubleshooting production issues and improving application performance, resilience, and maintainability.

Develop and maintain Elasticsearch’s Inference API and plugin framework, integrating internal and external AI inference providers. Responsibilities include API and protocol design, streaming, asynchronous execution, rate limiting, configuration, billing integration, error handling, open-source contribution reviews, incident response, and comprehensive unit, REST, and rolling-upgrade testing. The role requires strong Java expertise, low-level concurrency knowledge, API design skills, and collaboration across distributed teams.

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.

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.

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.