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OpenValue: 20 products

OpenValue Training - By Developers, For Developers.Learn from industry-leading software experts, Java Champions, and international conference speakers. Our 70+ hands-on IT courses cover modern tech stacks, software architecture, and best practices. Delivered by active software experts who apply what they teach daily on their innovative projects. Available in-company, at our offices, or online. Bet…

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Quarkus Foundation

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placeUtrecht and 44 other regions

Introduction In this comprehensive training you will master the foundations of building enterprise-grade Quarkus applications from scratch,…

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Writing clean and testable code

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placeUtrecht and 44 other regions

This training is focused on writing better code. The training is aimed at junior to medior software developers, and for everyone who regula…

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Kotlin Foundation

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placeFriday 11 December 2026 in Utrecht

Introduction Transform your Java expertise into full-stack Kotlin mastery in just two intensive days with Google Expert Paulien van Alst. D…

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Setup a powerful GraphQL stack with React + NodeJS

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placeUtrecht and 44 other regions

GraphQL is quickly becoming a new standard for API’s. At OpenValue we did multiple implementations at different clients and developed quite…

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Load testing with Gatling

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placeUtrecht and 44 other regions

Gatling uses Akka and Netty to deliver heavy load from just one instance on your web application in a very effective way. In many cases tha…