Kotlin/Java Back-end Engineer (Candidates based in the Netherlands)

Key Responsibilities

• Develop scalable back-end services in Kotlin, using frameworks like Ktor or Spring Boot (Kotlin DSL).
• Design, build, and maintain event-driven microservices and APIs (REST or GraphQL).
• Write clean, maintainable, and well-tested code, applying TDD/BDD principles with tools like JUnit or MockK.
• Contribute to distributed architectures using Kafka, Cassandra, or similar technologies.
• Define infrastructure using Infrastructure-as-Code tools like Terraform or Bicep.
• Collaborate in Agile DevOps teams to ship and run production-ready software.
• Participate in code reviews, architecture discussions, and documentation writing.

Requirements

• A minimum of 5 years of professional experience.
• Advanced proficiency in the English Language (at least B2 in speaking, writing, listening, and reading).
• A minimum of a bachelor's degree in computer science, Software Engineering, or a related field.
• Solid background in Java, comfortable working in mixed Kotlin/Java codebases.
• Strong experience with Spring Boot (Kotlin DSL) or Kotlin-first frameworks like Ktor.
• Experience designing and scaling microservices, with a focus on performance and maintainability.
• Strong experience with distributed systems and event-driven architectures, ideally in high-traffic or mission-critical environments where scalability and reliability are essential.
• Familiarity with messaging systems (Kafka, RabbitMQ) and databases (Cassandra, PostgreSQL).
• Proficiency in API design patterns (REST, GraphQL) and secure coding.
• Hands-on knowledge of Docker, Kubernetes, and cloud platforms (AWS, Azure, or GCP).
• Experience with CI/CD pipelines and Git-based workflows.
• Agile mindset

What We Offer

• Competitive Compensation : Salary tailored to your skills and experience.
• Generous Time Off : 25 paid vacation days (based on a 40-hour work week).
• Relocation Support : A relocation and travel budget to ease your transition.
• Tax Benefits : Eligibility for the 30% ruling.
• Travel Reimbursement : We've got your daily commute covered.
• Top-Notch Equipment : A high-quality device to ensure you work efficiently.
• Professional Development : Financial support for certifications, technical training, and language courses—because we value your long-term career growth.
• Comprehensive Relocation Assistance : Extensive support to help you settle in smoothly.
• Community & Fun : Enjoy team events and connect with developers from around the globe!

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