Jonas Merlyck Kjærby Bronée

PHP Software Developer

Dansk

About Me

I am an experienced PHP developer with over 8 years of experience in professional software development. With a background as a Professional Bachelor in Web Development from IBA Kolding, I have worked for many years developing SaaS solutions and enterprise systems.

I have a strong passion for creating efficient and maintainable solutions, with particular focus on performance optimization and modern development practices. My experience spans from backend development in PHP to frontend integration with JavaScript, and I have a particular eye for security and GDPR compliance.

Experience

PHP Developer

Visma Temponizer | 2019-2025

In-house development of the SaaS product "Temponizer" - a platform for temp agencies. Specialized in backend development, API integration and performance optimization.

  • Development in PHP and MySQL with focus on performance and maintenance
  • API development and integration with third-party systems
  • Frontend development with JavaScript/jQuery and TypeScript/Angular
  • Implementation of GDPR compliance and security measures
  • Integration with payroll systems and other enterprise systems

In-house Developer

IBA Kolding | 2019

Development of the FKOM project - a system for competence measurement for Danish bank advisors.

  • Development of OOP PHP CMS/MVC system
  • Implementation of PSR standards and security concepts
  • Integration with NemID and other security solutions
  • Unit testing and documentation

Owner & Developer

Bronée | 2018-

Private company focused on maintenance and development of customer systems.

  • Maintenance of existing customer systems
  • Development of new solutions and integrations
  • System administration and operations

Junior Developer

Meresalg | 2017-2018

WordPress development with focus on themes and plugins.

  • Development of WordPress themes and plugins
  • Security and best-practice implementations
  • Hosting and system administration

Education

Professional Bachelor in Web Development

IBA Kolding | 2015-2017

Multimedia Designer

IBA Kolding | 2013-2015

Skills

Backend Development

  • PHP & MySQL (+10 years experience)
  • OOP & MVC architecture
  • API development
  • Performance optimization
  • PSR standards

Frontend & Tools

  • JavaScript/jQuery (+8 years experience)
  • TypeScript & Angular (To a lesser extent)
  • HTML5 & CSS3
  • Git & SVN
  • Docker & Linux

Other Competencies

  • GDPR & Compliance
  • Unit Testing (PHPUnit)
  • AI Integration (GPT, Copilot)
  • System Integration
  • Technical Support

Personal Projects & Additional Experience

Personal Projects

Python Projects

Development of various Python applications and scripts, with focus on automation and data handling. Experience with Selenium among other tools.

Home Assistant Desktop Monitor

A Python application that runs in the system tray and integrates with Home Assistant via MQTT. Provides real-time system information (CPU, memory, disk usage) to Home Assistant installations on the network. Includes automatic device discovery, configuration via environment variables, and can be distributed as a standalone Windows executable.

3DMakker

3dmakker.com / 3dmakker.dk

Developed in Laravel - a 3D printer community that helps connect people who want to get 3D prints made. Implemented with modern web technologies and focus on user-friendliness. Still a work in progress.

WTlist

https://github.com/Valoneria/wtlist-demo

A small demo project to showcase my capabilities in Laravel.

Infrastructure & DevOps

  • GitHub Actions for CI/CD pipelines
  • VPS configuration and administration
  • Homehosting setup and maintenance
  • Server administration and security
  • Laravel framework experience

Certifications

Python

Python Associate Developer

Certification from the Datacamps for completing the Python Associate Developer certification. The course served as an introduction to various Python concepts, and core principles. Among other things, I learned about object-oriented programming, data structures, decorators, context managers, and more.