Java Backend Software Developer (PERM)

JAVA BACKEND SOFTWARE DEVELOPER

Location: Maynooth, Co. Kildare

Contract: Permanent

Work model: Hybrid (2-3 days in office per week)

Salary: 45-65K per annum + company benefits

Role Overview

• As our client continues to expand, we are looking for an experienced Java Backend Software Developer to join our growing team in Ireland.
• This is an exciting opportunity to work on mission-critical software that supports real-time public transport operations and helps shape the future of mobility.
• You will have the opportunity to bring your ideas to life, take ownership of meaningful projects, and collaborate with talented colleagues across Ireland and Germany.
• In return, we offer a supportive environment, flexible working arrangements, excellent benefits, and genuine opportunities for professional growth.

The Opportunity

• As a Java Backend Software Developer, you will play a key role in the design, development, and enhancement of our advanced transport management platforms, including:
  • Automated Vehicle Location (AVL) systems
  • Intermodal Transport Control Systems (ITCS)
  • Electromobility and smart transportation solutions
• You’ll be involved across the full software development lifecycle, from analysis and design through to implementation, testing, deployment, and ongoing maintenance.
• Working closely with development and project teams in our headquarters in Germany, you’ll contribute to international projects that are helping public transport providers operate more efficiently and deliver a better passenger experience.

Key Responsibilities

• Design, develop, and maintain high-quality Java backend applications
• Implement new functionality and enhance existing software solutions
• Analyse business and technical requirements and translate them into robust software designs
• Develop scalable microservices and REST APIs
• Ensure all code meets quality standards through unit testing, peer review, and continuous improvement practices
• Take ownership of specific software modules and ensure seamless integration within larger systems
• Support troubleshooting, bug fixing, and performance optimisation activities
• Collaborate with Agile development teams and contribute to sprint planning, estimation, and delivery activities
• Work closely with colleagues in Germany and other international teams to deliver innovative software solutions

Technology Stack

You’ll work with a modern backend technology stack including:

• Java (JDK 8+)
• Spring Boot
• Hibernate / Spring Data
• RESTful APIs
• Maven
• PostgreSQL
• Docker
• Kubernetes
• Grafana
• Loki
• WireMock
• CI/CD tools and deployment pipelines

Essential Requirements

• Ideally Degree in Computer Science, Software Engineering, or a related discipline
• Relevant commercial experience developing enterprise applications using Java/J2EE
• Strong hands‑on experience with Core Java development
• Experience building Microservices and RESTful APIs using Spring Boot
• Excellent working knowledge of Hibernate and Spring Data
• Strong understanding of object‑oriented design principles and software engineering best practicesExperience working with relational databases such as PostgreSQL, Oracle, MySQL, or DB2
• Familiarity with Agile development methodologies
• Knowledge of CI/CD concepts and deployment processes
• Strong analytical and problem‑solving abilities
• Excellent communication skills and a collaborative mindset
• Fluent spoken and written English

Desirable Skills

• Experience working with containerised applications using Docker and Kubernetes
• Exposure to monitoring and observability tools such as Grafana and Loki
• Experience with MongoDB or other NoSQL databases
• Previous experience working on real‑time, mission‑critical, or transport‑related systems

Adecco is an equal opportunity employer.