Java Developer

Role: Senior Java Developer (Microservices & Azure)

Location: Amsterdam, Netherlands

Role Overview

We are looking for an experienced and hands-on Senior Java Developer to join our team in Amsterdam. The ideal candidate will have strong expertise in modern Java (Java 17), Spring Boot, microservices architecture, and cloud-based development. You will be responsible for designing, developing, and maintaining scalable, modular, and high-performance applications in an Agile environment.

This role requires strong analytical thinking, ownership mindset, and the ability to collaborate effectively within a multicultural and fast-paced team.

Key Responsibilities

• Design, develop, and maintain modern, modular, scalable, and reusable applications using Java 17.
• Build and maintain Spring Boot-based microservices following best practices.
• Develop RESTful APIs using proper HTTP standards and microservices architecture principles.
• Implement dependency injection and follow clean architecture principles.
• Write high-quality, testable, and maintainable code.
• Develop automated unit and integration tests using JUnit, Mockito, and RestAssured.
• Implement and maintain CI/CD pipelines using Git-based workflows.
• Work with relational databases such as MySQL or PostgreSQL.
• Apply cloud-native development concepts and best practices.
• Participate in code reviews, design discussions, and architectural decisions.
• Collaborate with cross-functional teams in an Agile/Scrum setup.
• Take ownership of technical problems and drive them to resolution.

Mandatory Technical Skills

• Strong hands-on experience with Java 17
• Spring Boot (deep understanding of dependency injection and core Spring concepts)
• Microservices architecture
• RESTful APIs, HTTP protocols
• CI/CD concepts and implementation
• Version control systems (Git)
• Relational databases (MySQL, PostgreSQL, or similar)
• Testing frameworks: JUnit, Mockito, RestAssured
• Cloud development concepts and best practices

Nice-to-Have Technical Skills

• Microsoft Azure (AKS, Azure DevOps, Azure Insights)
• Docker & Kubernetes
• Ansible
• Kafka
• JavaScript
• Functional and reactive programming
• NoSQL databases (e.g., Cassandra)
• Other Spring projects (e.g., Spring Batch)