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I'm a Developer with a passion for clean code and practical solutions. I enjoy tackling complex problems and building systems that actually work.

Full-stack Development
Cloud Infrastructure
API Development
DevOps & CI/CD
Henny Krijnen

Work Experience

My professional journey and career highlights

Development Team Lead | eWarehousing Solutions

Heinenoord, South Holland, Netherlands
April 2021 - Present
  • Leading development team and managing project priorities
  • Migrated infrastructure from VPS to Kubernetes
  • Implemented terraform cloud workflows for streamlined deployments
  • Overseeing development across multiple technologies including Python, Django, PHP, Symfony, and React

Freelance Software Engineer | Krijnen development

Sint Willebrord, Noord-Brabant, Netherlands
March 2021 - Present
  • Delivering complex, scalable solutions for various clients
  • Specializing in cloud technologies and automation
  • Helping clients optimize workflows and infrastructure

Senior Software Engineer | Telefuture Direct

Berkel en Rodenrijs, South Holland, Netherlands
September 2020 - May 2021
  • Updated and maintained existing applications
  • Helped introduce Docker into the development workflow
  • Created an application allowing designers to upload and test landing pages

Backend Developer / Lead Developer | Notive

Zwijndrecht, South Holland, Netherlands
February 2016 - September 2020
  • Developing integrations between multishop.io and various e-commerce platforms
  • Building solutions for WooCommerce, SeoShop (LightSpeed), Magento, and Shopify

Junior Web Developer | AllinOneSoftware.com

Rotterdam, South Holland, Netherlands
February 2014 - July 2015
  • Building websites with Joomla CMS
  • Developing custom modules for Joomla
  • Creating web crawlers in PHP

IT Support Specialist | Student aan huis

Rotterdam / Schiedam / Vlaardingen / Maassluis, South Holland, Netherlands
September 2011 - February 2014
  • Providing on-site computer and network troubleshooting
  • Delivering personalized IT training to clients

Service Desk Agent | Alternate

Ridderkerk, South Holland, Netherlands
June 2011 - September 2011
  • Handling customer phone inquiries and email correspondence
  • Processing and verifying returned products

Electrical Engineering Intern | Orga BV

Schiedam, South Holland, Netherlands
June 2009 - August 2009
  • Testing electronic products and performing repairs when necessary

My Skills

Technologies and tools I work with

Programming Languages

PHP

90%

Python

80%

JavaScript

80%

Frameworks & Libraries

React.js

75%

Django

70%

Symfony

90%

DevOps & Cloud

Docker

85%

GCP

80%

Kubernetes

75%
DjangoDjango REST FrameworkSymfony FrameworkReact.js
Google Cloud Platform (GCP)Google Kubernetes Engine (GKE)Google Cloud FunctionsGoogle Cloud Pub/SubTerraformDockerNginxRabbitMQ
PostgreSQLMySQLSQL
GithubGitlab
SentryDatadog
JiraSlackLinear
Android DevelopmentJSONCodeception

My GitHub Stats

A glimpse of my open source contributions and coding activity

GitHub Streak

Get In Touch

Have a project in mind or want to learn more about my services? I'd love to hear from you!