2 Developers Task: Led the mobile app development team for the Medi app, focusing on feature delivery and codebase improvements.

• Increased daily subscriptions significantly within 6 months.
• Boosted user engagement with OneSignal push notifications.
• Launched a new podcast feature for the Medi app.
• Implemented in-app messaging, notifications, and promotions.
• Integrated Maestro for automated testing.
• Enhanced codebase scalability and maintainability. 

Developed and integrated advanced AI features and analytics into the ON App, collaborating with cross-functional teams.

• Spearheaded the AI-Chatbot Initiative within the ON App.
• Integrated advanced AI features into the app.
• Collaborated with cross-functional teams.
• Assisted in the development of the RAG-Pipeline.
• Launched the US Pilot for the ON App.
• Helped develop and implement an extensive analytics concept.
• Implemented automated tests with Maestro.
• Implemented advanced filtering feature.

Led the rewrite of the React Native app in Flutter and managed white label development. 

• Rewrote the existing React Native App in Flutter.
• Led White Label Development for Roodie Health App.
• Implemented CI/CD Pipelines for development, deployment and testing.
• Provided technical consulting on best practices.

Developed new features and optimized CI/CD pipelines for MediaMarkt and Saturn apps, and improved omnichannel communication.

• Worked in a team of more than 30 individuals, including developers, UI/UX designers, product owners, and stakeholders.
• Implemented new features in the MediaMarkt and Saturn apps (Team Skittles).
• Optimized CI/CD pipelines and deployed apps to ensure seamless operations.
• Improved omnichannel communication for MediaMarkt and Saturn (Team Shiba Inu).
• Participated in backend development of the push notification service.
• Delivered tech talks on Whitelabel App Development and Smart Push Notifications.

Developed two media guide apps and maintained close client communication.

• Implemented two media guide Apps: DA Kunsthaus Kinder Spiel and DA Kunsthaus Geschichte.
• Delivered 2 high-quality apps with regular client updates.

• Developed and maintained mobile and web applications for various clients.
• Developed and maintained apps such as Mein Orthomol, Orthomol - Virtuelle Apotheke, Mosaik, Tetrapak WEIHNACHTS-ORCHESTER, and EFFZEH 360.
• Maintained close communication with clients, providing regular updates and feedback.

Led the development of the Holoswitch App and implemented custom WebRTC plugin.

• Spearheaded the development of the Holoswitch App.
• Implemented custom WebRTC flutter plugin.
• Ensured seamless communication between the app and VR-Hardware.
• Set up CI/CD Pipelines for development, testing and deployment.
• Delivered high-quality applications tailored to client needs.

Led the development of a cross-platform mobile application and managed CI/CD and AWS infrastructure.

• Led the development of a cross-platform mobile application from scratch.
• Set up environments, Travis CI/CD pipelines, and AWS servers.
• Organized and led weekly sprint meetings.
• Gained practical experience in team management and agile development.

Developed an event-based recommender system for Realeyz GmbH using data analysis and machine learning.

• Designed and developed an intelligent system to recommend movies based on world events.
• Used data analysis and machine learning algorithms to match events with movies.
• Collaborated with EYZ-Media GmbH and Realeyz GmbH.