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

📅 Jul 28, 2025
📍 🇳🇱 Amsterdam - Hybrid🎹 Mid-level🔎 Backend Engineer📢 🇬🇧 English Required💼 Full-Time
KotlinJavaSpring BootKtor
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📜 Description

  • 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.

🛠️ 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).

✨ Benefits

  • 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
  • Comprehensive Relocation Assistance: Extensive support to help you settle in smoothly.
  • Community & Fun: Enjoy team events and connect with developers from around the globe!
Full job description

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!
    • Apply Now

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