Senior Java Software Engineer

Senior Java Developer

📍 Location: Dublin 2, Ireland

🧑 💻 Hybrid Working (3 days office / 2 days remote)

We're hiring an experienced Senior Java Developer for a global client in the digital audio and entertainment space. The teams are building large-scale systems that support millions of users, focusing on high-throughput services, distributed systems, and robust backend infrastructure.

As a Senior Java Developer, you will play a critical role in designing and building robust, scalable, and secure backend services that power enterprise-grade applications. This role is essential to the success of our technology team, contributing to the evolution of our microservices architecture and enhancing cloud-native capabilities using AWS. You will have a direct impact on the efficiency, security, and performance of our software platforms while helping mentor others and ensure best practices are followed across the team.

What you’ll do:

● Lead the design, development, and implementation of scalable Java-based microservices and RESTful APIs for enterprise applications.

● Collaborate with cross-functional teams to gather requirements and transform them into technical solutions using Spring Boot and modern design patterns.

● Take ownership of application performance, security, maintainability, and reliability.

● Develop cloud-native applications leveraging AWS services like Lambda, API Gateway, IAM, VPC, and Fargate.

● Integrate with relational and non-relational databases such as PostgreSQL, MongoDB, and Redis.

● Establish and enforce best coding practices including secure coding, automated testing, and CI/CD pipelines using tools like Jenkins, Gradle, and GitHub.

● Participate in Agile ceremonies, backlog grooming, and sprint planning.

● Provide technical mentorship to junior developers and contribute to code reviews, architecture decisions, and technical documentation.

● Drive improvements by recommending modern tools, technologies, and processes that enhance developer productivity and software quality.

What you’ll need:

● 6+ years developing Java Web Services, especially RESTful APIs.

● 5+ years working with Spring, Spring Boot, and Microservices architecture.

● Proficiency in core development tools: Java 1.8+, Jenkins, Gradle, GitHub.

● Strong expertise in secure coding, Java best practices, and object-oriented design patterns.

● Experience in SQL and NoSQL databases.

● Solid experience in AWS Cloud Services (Lambda, API Gateway, IAM, VPC, Fargate).

● 5+ years working with relational databases (e.g., PostgreSQL, MySQL).

● Exposure to in-memory data stores like Redis and document stores like MongoDB.

● Familiarity with Open API 2.0, SwaggerIO, and JSON Schema for API design and documentation.

● Strong communication and collaboration skills with experience working in Agile development environments.

Benefits include:

• Fully paid healthcare (for you & eligible family members)
• Life cover (4x base salary)
• Pension contributions up to 8%
• Disability cover (short & long-term)
• 25 days annual leave + First Friday of every month off 🎉
• 10 days paid sick leave
• Maternity, paternity & adoption leave
• Bike2Work & TaxSaver commuter schemes
• Employee Assistance Programme (EAP)