Stefan Jacomeit - PHP / Symfony Fullstack Developer via Temporary Staffing

Q: Where is Stefan based?

Stefan is based in Bremerhaven, Germany and prefers 100% remote projects.

Q: What languages does Stefan speak?

Stefan speaks the following languages: German (Native), English (Intermediate), Spanish (Elementary) .

Q: How many years of experience does Stefan have?

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.

Q: What is Stefan's latest experience?

Stefan's most recent position is PHP / Symfony Fullstack Developer via Temporary Staffing at N.V.L. Group .

Q: What companies has Stefan worked for in recent years?

In recent years, Stefan has worked for N.V.L. Group , Interquest Media S.L. , publicplan GmbH , STRATO AG , and PE Digital GmbH .

Q: Which industries is Stefan most experienced in?

Stefan is most experienced in industries like Information Technology (IT) , Government and Public Administration , Media, and Entertainment and Publishing .

Q: Which business areas is Stefan most experienced in?

Stefan is most experienced in business areas like Information Technology (IT) , Product Development , and Quality Assurance (QA) .

Q: What is the availability of Stefan?

Stefan is immediately available full-time for suitable projects.

Recommended expert

Bremerhaven, Germany

Experience

Feb 2024 - Dec 2025

1 year 11 months

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 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

Jul 2023 - Nov 2023

5 months

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 OpenSwoole WebSocket server via Redis
Introduction and optimization of unit tests with PHPUnit 9+
Video editing using FFMPEG and image editing with Imagick
Restructuring the local development environment using Docker containers
Version control and ticketing via GitLab

Sep 2021 - Mar 2023

1 year 7 months

PHP / Symfony Backend Developer

publicplan GmbH

Enhancement and modernization of a headless React portal with a Symfony 5+ API
Building a new microservice architecture using the SAGA/CQRS pattern with Symfony 5+ and PHP 8.1
Implementation of a custom authentication mechanism using 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

Jul 2021 - Dec 2021

6 months

WordPress Developer

STRATO AG

Modernization of the WordPress theme for current SEO/SEA measures and responsive performance optimization
Transition to SCSS/SASS and modernization of PHP code to version 7.4
Execution in a Kanban process with up to 40% weekly workload
Technologies: PHP, WordPress, JavaScript, React, SCSS/SASS, GitLab, Jira Kanban

Feb 2021 - Jun 2021

5 months

WordPress & PHP Developer

PE Digital GmbH

Development of WordPress plugins and theme customizations for various brands
Deployment via GitHub and Packagist, as well as containerization using 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

Feb 2021 - Mar 2021

2 months

PHP Developer

oomoxx media e.k.

Continuing the system relaunch of the booking and landing page system in Symfony 5+ (max. 10 hrs/week)
Development in Symfony 5.x using MySQL, Doctrine, JavaScript, and React
Using SCSS, Webpack Encore, and Git in a Kanban process with unit tests

Dec 2020 - Dec 2020

1 month

PHP Developer

oomoxx media e.k.

New development of a booking system and landing page generator based on the old system specifications in Symfony 5+
Use of MySQL, Doctrine, JavaScript, SCSS, and Webpack Encore
Version control with Git and a Kanban process including unit tests

Jan 2020 - Sep 2020

9 months

PHP & WordPress Developer

PE Digital GmbH

Test-driven development of custom WordPress plugins and theme development
Containerized development environment with Docker and CI/CD via Jenkins
Using CodeCeption for TDD, ReactJS in connection with the Gutenberg editor
Agile workflow with pair programming and Kanban sprints

Oct 2019 - Nov 2019

2 months

WordPress Developer

Strato AG

Modernization of the blog system for .de and .nl
Building new themes, custom shortcodes, widgets, and plugins
Setting up a deployment process and functional tests with CodeCeption

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (4.5 years), Government and Administration (1.5 years), and Media and Entertainment (0.5 years).

Information Technology

Government and Administration

Media and Entertainment

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (5 years), Product Development (2.5 years), and Quality Assurance (2 years).

Information Technology

Product Development

Quality Assurance

Summary

Nearly 20 years of experience in object-oriented PHP backend development using common naming conventions & standards with MySQL, NoSQL (Redis, MongoDB)
Over 14 years of experience in developing WordPress plugins & themes, including custom post types, custom taxonomies, implementing various hooks following WP conventions & Gutenberg/React blocks
Knowledge of Symfony 4+ framework including API Platform, Doctrine, messaging, and events
24 years of experience in frontend development with HTML (5), JavaScript, CSS
PHPUnit tests & Codeception tests (WordPress) knowledge available, test-driven development of WordPress plugins (TDD/BDD) as well as pairing.

Skills

Backend Development

Procedural Php 27 Years +++
Php Oop 21 Years +++
Symfony 4+ 7 Years +++
Yii2 Framework (V2+) 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

German

Native

English

Intermediate

Spanish

Elementary

Profile

Created

September 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Stefan based?

Stefan is based in Bremerhaven, Germany and prefers 100% remote projects.

What languages does Stefan speak?

Stefan speaks the following languages: German (Native), English (Intermediate), Spanish (Elementary).

How many years of experience does Stefan have?

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.

What roles would Stefan be best suited for?

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.

What is Stefan's latest experience?

Stefan's most recent position is PHP / Symfony Fullstack Developer via Temporary Staffing at N.V.L. Group.

What companies has Stefan worked for in recent years?

In recent years, Stefan has worked for N.V.L. Group, Interquest Media S.L., publicplan GmbH, STRATO AG, and PE Digital GmbH.

Which industries is Stefan most experienced in?

Stefan is most experienced in industries like Information Technology (IT), Government and Public Administration, Media, and Entertainment and Publishing.

Which business areas is Stefan most experienced in?

Stefan is most experienced in business areas like Information Technology (IT), Product Development, and Quality Assurance (QA).

What is the availability of Stefan?

Stefan is immediately available full-time for suitable projects.

What is the rate of Stefan?

Stefan's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.