Hi there 👋

I'm Oliver Kossin, 29 Years old Symfony / Sulu Developer from Germany Cologne. I love open source work, speaking at usergroups and conferences and organising the Symfony UserGroup Cologne.

👷 Check out what I'm currently contribute

• TheCadien/SuluNewsBundle
• TheCadien/SuluImportExportBundle
• sulu/sulu
• sulu/SuluHeadlessBundle
• FriendsOfSulu

⚡ My latest Talks - Last 2 Years

• PHP User Group Rhein-Neckar - Sulu CMS as a full headless solution 🇬🇧 - 29.April.2021
• Symfony User Group Hamburg - An introduction to the world’s finest Symfony enterprise CMS 🇩🇪 - 4.May.2021
• Symfony User Group Hamburg - Sulu CMS as a full headless solution 🇩🇪 - 1.June.2021
• Symfony User Group Hamburg - Integration of modern encryption methods in Symfony 🇩🇪 - 2.November.2021
• Symfony User Group Hamburg - SOLID design principles 🇩🇪 - 1.March.2022
• Symfony User Group Aveiro - SULU - An introduction to a Symfony enterprise CMS 🇬🇧 - 29.March.2022
• Symfony User Group Berlin - Symfony Workflow Component 🇬🇧 - 11.May.2022
• Symfony World Conference - SULU - An introduction to a Symfony enterprise CMS 🇬🇧 - 16.June.2022
• Sylius Germany User Group Meetup - Sulu and Sylius - A Smart Headless Content and E-Commerce Solution 🇬🇧 - 30.August.2022
• Symfony User Group Cologne - Upgrade your Symfony app with Rector 🇩🇪 - 19.Jan.2023
• PHPErs Summit 2023 Conference - SULU - An introduction to a Symfony enterprise CMS 🇬🇧 - 27.Mai.2023
• Symfony User Group Berlin - Open Source - From idea to the project 🇬🇧 - 20.August.2023
• Symfony User Group Colgone - PHP doesn't suck (anymore) 🇩🇪 - 10.October.2023
• SyliusCon - Sulu as a Full headless solution 🇬🇧 - 03.November.2023

👨🏻‍🏫 My latest Workshops

• QOSSMIC - Symfony Team-Trainings 🇩🇪
• SymfonyCon Brussels 2023 - Develop your app, with a modern Symfony CMS - Sulu 🇬🇧

✨ My publications

• brandung DEEP DIVE - SULU CMS: DEEP DIVE - 20.11.2020
• PHP Magazin - SOLID Design Principles: Fünf Pfade des Qualitätschecks - 2.2022

📫 How to reach me

• Twitter: @Cadien1