Kotlin/Java Back-end Engineer (Candidates based in the Netherlands) at WypoonWypoon · Amsterdam

Posted: 2026-10-16

Skills: Java, Kotlin, SQL, AWS, Docker, GraphQL, CI/CDKey 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 mindsetWhat 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. - Trave…Sign in to see the original postingBrowse more developer jobs on RoleBurst