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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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DevOps for managers

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placeDelft, Ede and 43 other regions

Description Development and Operations merged together creates the word DevOps. It promises effective deployment and maintanance of your so…

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Selenium

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placeDelft, 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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Axon Framework

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placeDelft, Ede and 43 other regions

CQRS & Event sourcing combined results in elegant design pattern that offers many advantages over storing information regularly in a databa…

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Vert.x

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placeDelft, Ede and 43 other regions

Vert.x is a lean framework that can be used to build Microservices effectively. It’s more lightweight compared to Spring Boot and stands ou…

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Microservices

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placeDelft, Ede and 43 other regions

This is a 4 hour workshop focused on designing, building and operating microservices. The trainer will share experiences as developer and a…

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Apache Kafka Essentials

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placeDelft, 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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Practical Continuous Delivery and DevOps

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placeDelft, Ede and 43 other regions

The Wall Street Journal already mentioned it in 2011: “Software is eating the world.”. Nowadays, every company is an IT company. Product ow…

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Load testing with Gatling

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placeDelft, Ede and 43 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…

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Apache Kafka Foundation

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placeDelft, Ede and 43 other regions

Introduction In this training, candidates are expected to have experience with Apache Kafka and they have programmed Kafka consumers and pr…

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OWASP Top 10 Essentials

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placeDelft, 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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WebRTC Foundation

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placeDelft, 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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Automated Code Refactoring with OpenRewrite

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placeDelft, 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…

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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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The Next Step: Automating your Kubernetes cluster(s) using GitOps

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placeDelft, Ede and 43 other regions

Introduction “GitOps is the best thing since configuration as code.” - Kelsey Hightower, Staff Developer Advocate, Google What is GitOps? I…

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Functional Programming fundamentals

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placeDelft, 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,…