Wypoon Technologies

Kotlin/Java Back-end Engineer

Wypoon Technologies  •  Amsterdam, NL (Onsite)  •  4 months ago
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Job Description

Are you a Kotlin enthusiast with a solid Java background? Join Wypoon Technologies and help build scalable, cloud-native back-end systems for some of the most innovative enterprise environments in the Netherlands. We're looking for engineers who love Kotlin for its expressiveness and modern capabilities, and who are comfortable navigating the JVM ecosystem with both Kotlin and Java. If you're ready to take ownership of cutting-edge services in a high-impact environment, this is your next move. 
How will you make an impact? By helping our partner companies build reliable, elegant back-endsolutionsthat power the services of millions of users. As a Kotlin Backend Engineer at Wypoon Technologies, you'll work on challenging use cases in e-commerce, finance, logistics, and data — using modern cloud-native tooling, all while supported by an international engineering community that values autonomy, craftsmanship, and clean code. 
Why Join Us? 
At Wypoon Technologies, you’ll work on dynamic projects for industry leaders such as Heineken, ING, ASML, Philips, and Shell, tackling exciting challenges and delivering tailored enterprise solutions. 
Here’s what makes us stand out: ✔ Impactful Work Shape the future of our clients’ digital landscapes. ✔ Innovative Environment Collaborate within a supportive team that values learning and growth. ✔ State-of-the-art technology Access the latest tools and platforms. ✔ Global Opportunities Are you dreaming of living and working in the Netherlands or Belgium? We provide full support with visa processes, making your transition smooth and hassle-free! 
#LI-DNI

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). 
  • Job Security A direct and permanent contract from day one! 
  • 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. 
  • Family Visa sponsorship for your partner and children under 18. 
  • Temporary Accommodation Stay in temporary housing while we help you find your permanent home. 
  • Comprehensive Relocation Assistance Extensive support to help you settle in smoothly. 
  • Community & Fun Enjoy team events and connect with developers from around the globe! 
Join Wypoon Technologies, where your expertise will thrive, your ideas will be valued, and your career will reach new heights.  Apply now to be part of our transformative journey! 
Wypoon Technologies

About Wypoon Technologies

Wypoon Technologies provides software consulting services, ranging from full life cycle software development teams to short term secondment of IT experts. Our mission is to connect top-tier international talent with leading tech companies in The Netherlands and Belgium.

Acting as a partner to both our clients and candidates, our team of experts can quickly and efficiently move candidates through the recruitment and placement process – allowing them to relocate unique profiles and begin with a client within weeks.

Industry
IT & Software
Company Size
11-50 employees
Headquarters
Breda, NL
Year Founded
2018
Website
wypoon.com
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