Peter Kassenaar - Kassenaar IT Services

About Peter Kassenaar - Kassenaar IT Services

Kassenaar IT Services (since 1996) is founded and owned by Peter Kassenaar; trainer, author and frontend developer.

We specialize in B2B frontend web development training. Areas of expertise include React, Vue.js Angular, NodeJS, ECMAScript 2015/2016+, TypeScript and of course vanilla JavaScipt.

We provide frontend training in Western Europe, the Middle East and the United States. Our clients typically include [bigger] companies as well as governmental organizations with complex applications. Our goal is to clarify the ever growing frontend landscape and to make complex techniques simple for your developers.

Contact us to discuss opportunities for your company or organization. Our prices will surprise you!

We've written 100+ ICT books for the local (Dutch) market.

Keywords

• Angular
• Courses
• Front-End Tooling & Techniques
• Javascript
• React
• Training
• Typescript
• Vue.Js
• Webdevelopment

Address

• Headquarters

  Laarstraat 47a7201CB ZutphenGelderland, Netherlands

Team by function

Based on 1 public job profiles as of 4 September 2026.

• Education / Training1