Markus S.
Fullstack-Developer
Experience
Mar 2021 - Dec 2024
3 years 10 monthsFullstack-Developer
RYZE
- Developed a CMS with interfaces and microservices
- Enhanced SSO system based on Laravel with a large API and integrations with AWS, SAP, ERPS using PHP 8
- Documented interfaces and system architecture
- Built and developed news portals on a publishing platform with microservices and integrations to Google, Facebook, Twitter, SSO, SAP using NodeJS, TypeScript, AWS
Sep 2020 - Feb 2021
6 monthsMainz, Germany
Fullstack-Developer
VRM Mainz
- Developed and maintained a news portal CMS with interfaces
- PHP 8 development with HTML, CSS, SCSS, JavaScript, MySQL, Laravel
- Documented interfaces and system
Apr 2019 - Apr 2020
1 year 1 monthLead-Developer / Fullstack-Developer
Sabre Technologie
- Maintained and enhanced a large hotel website with a custom CMS and integrations to various booking systems
- PHP development with HTML, CSS, SCSS, JavaScript, Vue.js, Yii, Caliban, MySQL, Angular, Bootstrap
- Documented CMS system interfaces
- Migrated project from PHP 5.6 to 7.2 and converted all database accesses to PDO-MySQL for security
- Advised on technical direction of projects for new clients
May 2017 - Oct 2018
1 year 6 monthsMunich, Germany
Project Manager / Fullstack-Developer
weeBusiness GmbH
- Enhanced various websites with PHP using Zend, Doctrine, MySQL
- Developed and maintained Typo3 sites with HTML, PHP, JavaScript, CSS, Angular, Bootstrap
- Created new websites with Java, Spring Framework, Thymeleaf, defined interfaces and test scenarios
- Developed documentation and integrated Contentful with multilingual support
Sep 2016 - Dec 2016
4 monthsMunich, Germany
IT Consultant / Database Support Admin
Atos IT Solutions and Services GmbH
- Provided 2nd-level support and consulting
- Migrated a legacy system and numerous databases
- Performed monitoring, error analysis, and incident resolution
Jul 2016 - Jul 2016
1 monthMainz, Germany
Backend Application Developer
MPM
- Designed, planned, and developed a module for order evaluation and processing
- Object-oriented PHP development with Zend 2, Doctrine, MySQL
- Employed HTML, CSS, JavaScript, Angular, MSSQL, Apache Server, Excel, CSV
- Followed agile development, UML, OOA/OOD methodologies
Dec 2015 - Jun 2016
7 monthsGermany
Product Developer / Developer
Deutscher Landwirtschaftsverlag GmbH
- Developed technikboerse.com and whitelabel solutions
- Object-oriented web development with Zend 1 to Zend 2
- Conducted analysis, specification, implementation, and documentation in Wiki and source code
- Practiced agile development with Scrum
Dec 2014 - Nov 2015
1 yearGermany
Operations Expert Applications / Second Level IT
univativ GmbH
- Supported and enhanced web applications for Lufthansa Cargo AG in collaboration with business departments and IT vendors
- Managed and monitored databases
Jan 2014 - Mar 2014
3 monthsMainz, Germany
Backend Application Developer
Institut für Informatik, Universität Mainz
- Designed, planned, and developed a Moodle module for automatic code validation in exercises and tutorials
- Used HTML, PHP, CSS, MySQL, Apache Server
- Applied UML and OOA/OOD methodologies
Nov 2013 - Dec 2014
1 year 2 monthsGermany
Scientific Assistant
Deutscher Bundestag
- Managed office IT for member of parliament Ursula Groden-Kranich
- Handled correspondence and travel services
- Accompanied visitor groups to Berlin
Dec 2011 - Nov 2014
3 yearsMainz, Germany
User Administrator (Volunteer)
Campus Mainz e.V.
- Managed user administration and oversaw platform development for Campus Mainz
- Supported students and staff with communication and information services
- Worked with Typo3, JSON, XML, PHP, HTML, CSS, Java, C#.NET
Jun 2011 - Jul 2013
2 years 2 monthsMainz, Germany
Cultural Officer
Student Council of Johannes Gutenberg University Mainz
- Organized small and large events
- Led personnel and designed event posters and layouts
- Coordinated with GEMA, public order office, booking teams, and artists
- Managed event technology
- Used Photoshop, InDesign, Illustrator
Mar 2010 - Dec 2011
1 year 10 monthsMainz, Germany
IT Administrator
University Medical Center Mainz
- Provided full IT support for the Institute of Immunology
- Replaced hardware, documented IT processes, and inventoried assets
- Created installation guides and ordered hardware and software
- Managed website and intranet development
- Implemented a new Apple server with user and document management and introduced a RAID backup system
Jan 2009 - Present
16 years 9 monthsMainz, Germany
Owner and Managing Director / Fullstack Developer / Backend Developer
Own IT and Event Management Company
- Developed and maintained various websites with object-oriented PHP using Zend, Symfony, Doctrine, MySQL
- Built IT networks and installed hardware and software
- Managed social media, event support, and staffing for events
- Led project teams and coordinated service providers
Summary
Project experience in object-oriented development based on Java, JavaScript/TypeScript and PHP using Zend, Laravel, Node.js, HTML, JavaScript, MySQL, CSS, and CMS systems like WordPress, typo3 and custom-built solutions
Languages
German
NativeEnglish
AdvancedEducation
Oct 2007 - Jun 2014
University of Mainz
Bachelor of Science · Computer Science · Mainz, Germany
Oct 2007 - Jun 2007
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High School Diploma · Mainz, Germany
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