Java Developer

About the Opportunity

Our client is a product-focused technology company delivering scalable, high-performance digital platforms across international markets. Their engineering teams build distributed, event-driven systems designed for reliability, scalability, and long-term growth.

As part of continued expansion, they are looking to hire a Java Developer to join a cross-functional engineering team focused on building and enhancing robust backend solutions.

This is a fully remote position within Portugal.

The Role

The Java Developer will join a multinational Scrum team responsible for designing, developing, and maintaining scalable Java-based applications within a microservices architecture.

This role is ideal for someone passionate about backend development, code quality, and performance optimisation, who enjoys collaborating across disciplines to deliver high-quality software solutions.

Key Responsibilities

Software Development

• Design, develop, test, and deploy robust Java applications
• Contribute to scalable, distributed systems

Code Quality & Best Practices

• Write clean, maintainable, and efficient code
• Follow engineering best practices and coding standards
• Participate in structured code reviews

Technical Problem Solving

• Analyse and troubleshoot complex technical issues
• Propose and implement performance and scalability improvements

Collaboration

• Work within cross-functional Agile teams (Scrum/Kanban)
• Collaborate closely with architects, developers, and QA engineers
• Contribute to timely and high-quality software delivery

Security & Performance

• Implement security best practices
• Optimise system performance and reliability

Continuous Improvement

• Stay up to date with Java-related technologies and frameworks
• Contribute to technical documentation and knowledge sharing

Technology Stack

• Java 8+
• Spring & Spring Boot
• Microservices architecture
• Kafka / RabbitMQ (event-driven systems)
• JDBC, JDBI, ORM tools
• PostgreSQL & relational databases
• NoSQL databases
• Cloud environments (e.g., AWS)
• Monitoring tools (e.g., Dynatrace)

Required Skills & Experience

• Experience with Java development
• Practical understanding of Java concurrency
• Experience contributing to distributed systems
• Proficiency with messaging technologies (AMQP, JMS, Kafka, etc.)
• Knowledge of Spring & Spring Boot
• Experience designing and consuming REST APIs
• Experience writing automated unit and integration tests
• Understanding of Clean Architecture principles
• Knowledge of OOP, design patterns, and multi-threaded applications
• Experience with dependency injection and data binding
• Proficiency with Git or similar version control systems
• Strong English communication skills