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Build and maintain a distributed billing platform in Kotlin/KTOR, PostgreSQL, Kafka and GCP; ship features weekly and collaborate across product, sales and design.
Lead a new JVM backend practice, designing and building scalable event-driven systems in Java/Kotlin for enterprise clients while shaping team culture and tooling.
Build and run production-grade backend services in Kotlin/Java with Spring Boot on cloud platforms, ensuring clean code, test coverage, and Kubernetes-based CI/CD.
Senior backend engineer building Kotlin microservices for a global auction platform, using Azure cloud, event-driven systems, and functional programming.
Build and evolve Vandebron’s energy-trading backend, migrating from Scala/ZIO to Kotlin/Spring Boot while designing scalable microservices that keep the grid 100% green.
Build and evolve Vandebron’s energy-trading backend, migrating from Scala/ZIO to Kotlin/Spring Boot while designing scalable microservices for green energy infrastructure.
Builds and scales real-time, event-driven Java systems that power the Netherlands’ energy transition, using Java 21, Spring Boot, AWS, and distributed architectures.
Build and run event-driven backend services in Scala/Kotlin that process real-time logistics data at global scale, ensuring high availability and correctness for physical goods flows.
Build core financial infrastructure for global commerce: payment flows, multi-currency ledgers, real-time tax engines, and AI-powered compliance tools from scratch.
Build and maintain a distributed billing platform in Kotlin/KTOR with PostgreSQL, Kafka, and GCP; ship features weekly and collaborate across product, sales, and design.
Backend engineer building APIs, microservices, and cloud infrastructure for a shared mobility platform using Python, Rust, Terraform, and Kubernetes.
Build and run production-grade backend services in Kotlin/Java with Spring Boot on cloud platforms, ensuring clean code, CI/CD, and Kubernetes operations.
Builds and maintains Java/Kotlin backend services in DevOps teams for clients like Rabobank and ING, designing scalable applications with modern tooling.
Build and own full-stack features for Bol's ad-tech platform using React, Next.js, Angular, Kotlin, Java, and Spring.
Backend engineer building scalable JVM services for classifieds platforms, optimizing buyer journeys and SEO while mentoring peers.
Builds scalable, pragmatic backend services in Kotlin/Java for maritime tech using Spring, AWS, Docker and Kubernetes while balancing speed and maintainability.
Build and run full-stack features for Bol’s marketing and ad platform using React, Next.js, Angular, Kotlin, Java, and Spring to match buyers with products and optimize ad campaigns.
Build and maintain scalable backend systems in Kotlin/Java, using Spring Boot, Kubernetes, and Azure CI/CD to power business-critical applications.
Build and maintain Kotlin/Java microservices on Azure, using Kafka for event streaming, to modernize Albert Heijn’s food-retail tech stack and support millions of daily customers.
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