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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.
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.
Builds and maintains Kotlin/Java microservices and Kafka pipelines to modernize Albert Heijn’s ecommerce backend in a hybrid Amsterdam office.
Build full-stack Android predictive-maintenance features using Kotlin, Compose, and ML models (TensorFlow/PyTorch) to detect hardware/software issues before they occur, spanning device kernel to cloud.
Senior Java/Kotlin developer building scalable backend services with Spring/Quarkus and cloud tools, while collaborating in a knowledge-sharing consultancy culture.
Lead a Kotlin/Spring Boot backend and Flutter frontend to build and migrate office-management software that handles daily operations, climate control, and integrations for modern workplaces.
Builds secure, high-availability Java/Kotlin systems for critical public infrastructure, using Spring Boot, Kafka, Kubernetes and modern frontend stacks.
Build secure, high-availability Java/Kotlin systems for critical Dutch infrastructure like transit, retail, and tax, using Spring Boot, Kafka, and Kubernetes.
Build secure, high-availability systems for critical Dutch infrastructure using Java 17/21, Kotlin, Spring Boot, and microservices; mentor junior devs and shape long-term greenfield projects.
Build and run scalable Java/Kotlin services for DHL’s package-tracking and repair systems using AI, OCR, and event-driven architecture to process millions of parcels daily.
Build and scale Kotlin/Java microservices for store replenishment, using Kafka and cloud platforms to power Albert Heijn’s supply chain and 1,200+ stores.
Builds Java/Kotlin backend services for client projects while collaborating in a DevOps team; chooses tech stack and grows via training budget.
Build and maintain enterprise Java microservices and REST APIs using Spring Boot, Spring Security, and Azure DevOps in a hybrid Agile team.
Builds end-to-end Java/Kotlin apps for FinTech and HealthTech clients using Spring Boot/JavaEE, Angular/React/Vue, and Agile/Scrum in a DevOps/cloud environment.
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