Ik ben Tom Wetjens, freelance Full Stack software developer.

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Software development

Java/Kotlin, JavaScript/TypeScript, NodeJS, Angular, AngularJS, Java EE en Spring Framework. Java en Spring certified.


Scrum (certified Scrum Master), MVP, Validated Learning en Continuous Delivery.

Cloud en DevOps

Certified Amazon Web Services Solutions Architect
Cloud native development (12 factor apps), Build pipelines, Infrastructure as Code

Recent Posts

Async call DynamoDB from Vert.x using Kotlin coroutines

Vert.x When writing Vert.x verticles, everything is about non-blocking asynchronous operations, of course. Therefore if we want to have Amazon DynamoDB as our database, we want to also call it asynchronously. In this example I assume you already created the DynamoDB table.

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My takeaways from Joy of Coding 2017

Joy of Coding Last week I attended the Joy of Coding conference for the second time. Joy of Coding is an event that “celebrates the art, craft, science and joy of software development” and was organised this year for the 5th time in Rotterdam.

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Setting up a Docker Swarm cluster with Vagrant and Ansible

Docker Swarm For a Docker Swarm cluster I will use in this example: 1 manager node and 2 worker nodes. They will be launched by Vagrant with VirtualBox using the Ubuntu 16.04 image.

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OAuth 2.0 server with Facebook login in Spring Boot and Kotlin

Spring Boot For my side project Powerline, I’m building a REST API and I needed some authentication. I thought: users of this app will probably not want to be bothered with creating an account, so why not allow them to sign in with their Facebook account.

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Tel. +31 (0)6-46918053
E-mail: info@wetjens.com

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