> about(Leander)

"As a full stack developer with a focus on frontend development, I bring a unique blend of technical skills and creative flair to every project. I am always striving to create engaging and user-friendly applications, and I am eager to work on big projects where I can be a valuable partner."

Here are a few technologies I’ve been working with recently:

  • JavaScript (ES6+)
  • React
  • NextJS
  • Angular
  • TypeScript
  • GraphQL
  • NestJS
  • Java
  • PostgreSQL
  • MongoDB
  • Jenkins
  • Gitlab CI/CD
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Blog

As a full-stack developer, I've learned about patterns and topics throughout my career. Check out a couple of my latest articles to see what I've been writing. Visit my blog for more insights and experiences in the world of development.

Article

Multistage Dockerfiles: The Key to Smaller, More Efficient Container Images

Multistage Docker builds, use multiple stages with specific instructions to create modular Docker images. The order of these instructions and stages is important for building an optimized final image. By minimizing the number of layers and dependencies, developers can create efficient images that improve the performance and scalability of their applications.

Article

Core Web Vitals

Core Web Vitals are metrics that measure website performance, speed, and user experience. They include Largest Contentful Paint (LCP), First Input Delay (FID), and Cumulative Layout Shift (CLS). These metrics help identify and optimize key performance issues, user experience and are important for both SEO and user satisfaction.

Professional Experience

Freelance Technical Designer · CegekaApril 2023 - Present
Frontend Developer · National Crisis Center
Brussels, Belgium
Developing a national safety platform within which emergency services, governments and partners can prepare for an emergency and where they can exchange information during an emergency.
  • TypeScript
  • Angular
  • Ngrx
  • Jest
  • PHP
  • Laravel
  • PosgreSQL
  • Azure
Senior Frontend Engineer · OvintoDecember 2020 - April 2023
Aalter, Belgium
Building a large B2B SaaS platform in rail & intermodal freight. On React framework and Java REST API.
International chemical clients like INEOS, Evonik, BASF, Solvay, Sabic, ...
  • JavaScript
  • React
  • NextJS
  • Java
  • Hibernate
  • jOOQ
  • Spring Boot
  • PosgreSQL
  • MongoDB
Software Developer · Amaron
Oktober 2014 - November 2020
Ruiselede, Belgium
Building a workflower platform for process automation on BPMN 2.0 standards.
Building a formbuilder with drag-n-drop and data exchange.
Developing a mobile app on top of Workflower, which was used for tracking medication withing UZ Gent hospital.
Clients are hospitals all over Belgium, Netherlands and France.
  • JavaScript
  • React
  • Redux
  • React Native
  • Java
  • Hibernate
  • Wildfly
  • PosgreSQL
  • MongoDB

Available for opportunities

Have an exciting project you need help with? Send me an email or contact me via instant message!
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