Kotlin/Java Back-end Engineer

🕒 July 29, 2025

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Wypoon Technologies

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2018

🤝 B2B

🎯 Recruiter

☁️ SaaS

B2B • Recruitment • SaaS

Wypoon Technologies is a recruitment and relocation agency specializing in sourcing talented IT professionals from around the world to work in the Netherlands and Belgium. The company assists candidates throughout the entire recruitment process, ensuring a seamless transition into their new roles and lives in a different country. Wypoon aims to eliminate the stress associated with international job placements by providing supportive services such as CV building, coaching, and relocation assistance for both candidates and their families.

📋 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-end solutions that 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. • 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!

🎯 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

🏖️ Benefits

• 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!