Gelbe Seiten Marketing GmbH, based in Frankfurt am Main, is responsible for brand management and marketing of the "Gelbe Seiten" directory in Germany.I developed a system for flexible data processing that generates a suitable DataObject for each CRM system from a single data source. This allowed the data processing to be effectively tailored to the specific requirements of each system, significantly accelerating processes and achieving noticeably higher data quality.I designed and integrated APIs to retrieve information, validate forms, and securely process user data. This resulted in improved data quality and a more efficient user experience.I conceptualized an automated reporting system that summarized key business data and provided it in real-time. This facilitated data-driven decision-making and enhanced operational efficiency.I was responsible for maintaining and troubleshooting build and deployment pipelines. This ensured reliable releases, reduced downtime, and improved efficiency in software delivery.By optimizing load times and performance factors, I increased Web Core Vitals by 16%, positively impacting user experience and overall website performance.Technologies used: Spring Boot 3, Thymeleaf, PHP, Symfony, React.js, CSS, Platform.sh, HTML, JavaScript, Next.js.

CHECK24 is one of Germany's leading comparison portals, helping consumers compare products and services such as insurance, travel, and loans in a simple and transparent way. It offers innovative digital solutions for a wide range of industries.I integrated Webpack into our project to enable the further development of the website with Vue.js. This accelerated the creation of reusable Vue.js components, fostering faster feature development.I implemented the calculation logic for insurance tariffs to ensure precise and reliable tariff computations.I contributed to the further development of a complex customer data filter to optimize data processing and enable targeted analyses.I continuously ensured product quality by writing automated tests using the Behat testing framework.Technologies used: PHP, Zend Framework 3, Vue.js, Webpack, CSS.

I was actively involved in PHP development and worked extensively with Zend Framework 2. This experience allowed me to enhance my backend development skills and gain a deeper understanding of building robust web applications.As a software development enthusiast, I was passionate about learning and applying SOLID principles. This knowledge has greatly influenced my approach to writing clean, maintainable, and scalable code.One of the highlights of my internship was my involvement in a CRM (Customer Relationship Management) project for the company. This project exposed me to the intricacies of database management, user interface development, and the importance of seamless customer interactions.

Development and implementation of multiple websites and backend functionalities using PHP, HTML5, CSS3, Bootstrap, JavaScript, and jQuery, with a focus on responsive design, efficient functionality, and an enhanced user experience.