Senior Java Engineer

AIDA projektai, MB; Dublin; On-site; EUR 37,000 - 40,000; Full time

Job summary

AIDA projektai, MB in Dublin, Ireland seeks an experienced Senior Java Engineer to join our on-site engineering team. You will design, develop, and maintain scalable backend services using Java, Spring Boot, and microservices architectures for enterprise software solutions.

You will contribute to architectural decisions, build reliable integrations, and ensure applications are resilient, maintainable, and production-ready.

Qualifications

• Strong commercial Java/Spring Boot experience in enterprise software.
• Proven skills in microservices, event-driven architecture, and API-first design.
• Experience with CI/CD, testing, and production troubleshooting.

Responsibilities

• Design, develop, and maintain scalable backend services in Java/Spring Boot.
• Build microservices and event-driven applications for enterprise environments.
• Translate business requirements into clean APIs and workflows.
• Implement reliable integrations, error handling, and resilience patterns.
• Contribute to architecture, performance, and technical design decisions.
• Develop automated tests and participate in code reviews and CI/CD improvements.
• Collaborate with engineers, architects, and stakeholders.
• Leverage AI-assisted tools to boost productivity while ensuring quality.

Skills

Java

Spring Boot

Microservices

Event-driven

REST APIs

DDD

SOLID

CQRS

Event Sourcing

Databases

CI/CD

Testing

Code reviews

Troubleshooting

English

On-site Dublin

Job description

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.