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OpenValue: 46 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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Functional Programming fundamentals

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placeArnhem, Ede and 43 other regions

Functional programming is usually classified as difficult. The jargon sounds scary and is creating a barrier to newcomers. This is a shame,…

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Apache Kafka Essentials

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placeArnhem, Ede and 43 other regions

Scalable, efficient, fast, reliable, stable all these features apply to Apache Kafka. No wonder Kafka has gained popularity in a short time…

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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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Kotlin Essentials

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placeTuesday 01 December 2026 in Utrecht

Introduction Get up to speed with Kotlin fast and master the essentials for backend development in just one focused day with Google Expert …

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Writing clean and testable code

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placeArnhem, Ede and 43 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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WebRTC Essentials

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placeArnhem, Ede and 43 other regions

Introduction WebRTC is a specification implemented in almost all modern web browsers. Using simple Javascript and HTML5 you can make your w…

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IT development for non IT people!

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placeArnhem, Ede and 43 other regions

Introduction Are you looking for a comprehensive overview of the IT development landscape and do you wish to understand what the tools are …

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Modern Java: Mastering Features from JDK 11 to Present

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placeTuesday 23 June 2026 in Utrecht

Introduction Master modern Java features from JDK 11 to present and transform your legacy applications in one intensive day. Detailed descr…

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Introduction into Quarkus

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placeArnhem, Ede and 43 other regions

About the Training The tech world is constantly reshaping. Where once monolithic applications on powerful servers were the default, the foc…

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OWASP Top 10 Essentials

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placeArnhem, Ede and 43 other regions

Introduction OWASP is a worldwide organization focused on improving software security. For this goal they have built a list of the top 10 m…

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Monitoring and Observability for Developers

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placeArnhem, Ede and 43 other regions

Introduction You’re a developer, curious about how your code behaves in production. Your organization already has some kind of monitoring, …

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Agile/Scrum

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placeArnhem, Ede and 43 other regions

Training outline An introduction of Agile and Scrum The different team roles The different scrum events Managing the backlog Various exerci…

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Secure software development

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placeArnhem, Ede and 43 other regions

A practical workshop that addresses security aspects of software development and what can be done from the point of view of a developer, or…

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Selenium

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placeArnhem, Ede and 43 other regions

Automating front end tests with selenium requires knowledge of best practices if you want to keep your test stable and maintainable. During…

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Automated Code Refactoring with OpenRewrite

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placeArnhem, Ede and 43 other regions

About this training You have a huge code base and code wide refactorings take up a huge amount of time? Upgrading libraries and adjusting y…