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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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Setup a powerful GraphQL stack with React + NodeJS

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placeAmersfoort, Utrecht and 43 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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WebRTC Foundation

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placeAmersfoort, Utrecht 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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Axon Framework

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placeAmersfoort, Utrecht 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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Apache Kafka Foundation

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placeAmersfoort, Utrecht and 43 other regions

Learning goals Know about and practice with Kafka’s delivery and ordering guarantees How to prevent problems with rebalancing partitions De…

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Quarkus Essentials

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placeAmersfoort, Utrecht and 43 other regions

Introduction In this training you will learn the essentials of building a modern Quarkus application from scratch, leveraging its cloud-nat…

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Vert.x

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placeAmersfoort, Utrecht 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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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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Writing clean and testable code

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placeAmersfoort, Utrecht 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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Microservices

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placeAmersfoort, Utrecht 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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Kubernetes Essentials

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placeAmersfoort, Utrecht and 43 other regions

Introduction Kubernetes is becoming the de facto standard in managing your applications. It provides you with a way to bring your applicati…

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

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placeAmersfoort, Utrecht 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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placeAmersfoort, Utrecht 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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Docker for Developers

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placeAmersfoort, Utrecht and 43 other regions

Training outline part 1 (20 min): what is docker vm versus container build, run and monitor an application commands: docker ps docker run d…

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WebRTC Essentials

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placeAmersfoort, Utrecht 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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OWASP Top 10 Essentials

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placeAmersfoort, Utrecht 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…