Stefan J.-PHP / Symfony Fullstack Developer via temporary staffing
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Experience
PHP / Symfony Fullstack Developer via temporary staffing
N.V.L. Group
- PHP legacy and Symfony 5+ development of N.V.L. Group's own ERP from PHP 7.4 onward including Oracle SQL, RabbitMQ, React and ExtJS
- Use of Docker and GitLab to manage containers and source code
- Implementation of unit, integration and functional tests
- Frontend development with React and ExtJS in Docker containers via GitLab
PHP / Symfony Fullstack Developer
Interquest Media S.L.
- Bug fixing and feature development as well as migration to PHP 8 and Symfony 5.4
- Working on Twig templates and using the websocket server OpenSwoole via Redis
- Introduction and optimization of unit tests with PHPUnit 9+
- Video editing using FFMPEG and image editing with Imagick
- Rebuilding the local development environment using Docker containers
- Version control and ticketing via GitLab
PHP / Symfony Backend Developer
publicplan GmbH
- Expansion and modernization of a headless React portal with Symfony 5+ API
- Building a new microservice architecture based on the SAGA/CQRS pattern with Symfony 5+ and PHP 8.1
- Implementation of a custom authentication mechanism via JWT, Event Messenger, DTOs, Transfer Models and AMQP with RabbitMQ
- Test-driven development with >95% code coverage (unit, integration and functional tests)
- Agile two-week sprints with Jira including documentation via OpenAPI/Swagger and Confluence
WordPress Developer
STRATO AG
- Modernization of the WordPress theme for current SEO/SEA measures and responsive performance optimization
- Migration to SCSS/SASS and modernization of the PHP code to version 7.4
- Implementation in the Kanban process with up to 40% weekly allocation
- Technologies: PHP, WordPress, JavaScript, React, SCSS/SASS, GitLab, Jira Kanban
WordPress & PHP Developer
PE Digital GmbH
- Development of WordPress plugins and theme adjustments for different brands
- Delivery via GitHub and Packagist as well as containerization with Docker and CI/CD via Jenkins
- Pair programming, retrospectives and agile collaboration via Microsoft Teams
- Technologies: PHP, WordPress, JavaScript, React, Git, Docker, Jenkins, IntelliJ, Jira Kanban
PHP Developer
oomoxx media e.k.
- Continued the system relaunch of the booking and landing page system in Symfony 5+ (max. 10 hrs./week)
- Development in Symfony 5.x with MySQL, Doctrine, JavaScript, and React
- Use of SCSS, Webpack Encore, and Git in a Kanban process with unit tests
PHP Developer
oomoxx media e.k.
- New development of a booking system and landing page generator based on the old system in Symfony 5+
- Use of MySQL, Doctrine, JavaScript, SCSS, and Webpack Encore
- Version control with Git and Kanban process including unit tests
PHP & WordPress Developer
PE Digital GmbH
- Test-driven development of custom WordPress plugins as well as theme development
- Containerized development environment with Docker and CI/CD via Jenkins
- Use of CodeCeption for TDD, ReactJS in connection with the Gutenberg editor
- Agile way of working with pairing and Kanban sprints
WordPress Developer
Strato AG
- Modernization of the blog system for .de and .nl
- Rebuild of themes, custom shortcodes, widgets, and plugins
- Setup of a deployment process and functional tests with CodeCeption
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Government and Administration, and Media and Entertainment.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, and Quality Assurance.
Summary
- Almost 20 years of experience in object-oriented PHP backend development using common naming conventions and standards with MySQL, NoSQL (Redis, MongoDB)
14 years of experience in developing WordPress plugins and themes, incl. custom post types, custom taxonomies, use / implementation of various hooks according to WP conventions & Gutenberg / React blocks
- Knowledge of the Symfony 4+ framework incl. API Platform, Doctrine, messaging and events
- 24 years of experience with frontend development with HTML (5), JavaScript, CSS
- Knowledge of PHPUnit tests & CodeCeption tests (WordPress) available, test-driven development also for WordPress plugins (TDD/BDD) as well as pairing.
Skills
Backend Development
- Php Procedural 27 Years +++
- Php Oop 21 Years +++
- Symfony 4+ 7 Years +++
- Yii2 Framework 2+ 10 Years +++
Frontend Development
- Html, Javascript, Css 27 Years +++
- Jquery, Json, Ajax 16 Years ++
- React 7 Years ++
Databases
- Mysql / Mariadb 22 Years +++
- Nosql (Mongodb, Redis) 11 Years ++
- Firebase 6 Years ++
- Rabbitmq 4 Years ++
- Oracle 1 Year ++
Wordpress
- Plugin Development 17 Years +++
- Theme Development 15 Years +++
- Custom Post Types/Metas 15 Years +++
- Wp Hooks (Actions/Filters) 15 Years +++
- Gutenberg Blocks 6 Years ++
Other
- Git, Svn, Cvs 20 Years +++
- Phpstorm 15 Years +++
- Jira / Scrum, Kanban 13 Years +++
- Apache, Nginx 13 Years ++
Languages
Statistics
Experience
Expertise
Profile
Frequently asked questions
Have questions? Find more information here.
Stefan is based in Bremerhaven, Germany and prefers 100% remote projects.
Stefan speaks the following languages: German (Native), English (Intermediate), Spanish (Elementary).
Stefan has at least 5 years of experience. During this time, Stefan has worked in at least 7 different roles and for 7 different companies. The average length of individual experience is 1 year and 7 months. Note that Stefan may not have shared all experience and actually has more experience.
Based on recent experience, Stefan would be well-suited for roles such as: PHP / Symfony Fullstack Developer via temporary staffing, PHP / Symfony Fullstack Developer, PHP / Symfony Backend Developer.
Stefan's most recent position is PHP / Symfony Fullstack Developer via temporary staffing at N.V.L. Group.
In recent years, Stefan has worked for N.V.L. Group, Interquest Media S.L., publicplan GmbH, and STRATO AG.
Stefan is most experienced in industries like Information Technology, Government and Administration, and Media and Entertainment.
Stefan is most experienced in business areas like Information Technology, Product Development, and Quality Assurance.
The availability of Stefan needs to be confirmed.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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