About me

Hello, my name is Daniel Opitz.

I live in Switzerland and I create scalable web and IoT solutions with a strong focus on software architecture, clean code, and long-term maintainability.

In my spare time, I contribute to open-source projects and write blog posts about software development, architecture, and modern programming practices.

Skills

C#, Java, PHP, JavaScript
PostgreSQL, MySQL, MariaDB, MS SQL, Oracle, SQLite, InterSystems Caché, Memcached, Redis, RabbitMQ
HTML, CSS, Bootstrap
.NET, Javalin, Slim Framework, CakePHP, Symfony
RESTful, SOAP, XML, JSON
SOLID, DDD, Clean Code, Clean Architecture
Windows, Linux, Cloud, Network, Web Security

Videos

YouTube Channel

Publications

Slim 4 eBook Vol. 1
Slim 4 eBook Vol. 2
Slim 4 eBook Vol. 3
Das PHP Micro-Framework Slim 4 (PHP Magazin Ausgabe 4.20)
À la découverte de Slim 4 (Programmez!)

Interviews

PHP Microframework Slim auch für größere Anwendungen geeignet

My projects

odan/slim4-skeleton A Slim 4 skeleton for apache
Selective PHP A collection of awesome PHP packages
Learn modern PHP A curated list of resources for PHP
All projects

Open Source Contributions

Slim Framework A PHP micro framework
CakePHP A rapid development framework for PHP
Chronos A standalone DateTime library

Conferences

International PHP Conference (2015-2023)
BASTA! .NET, Windows & Web Development - Online (2021)
International PHP Conference - Munich (2013)

Contact