Oussema Riahi

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert

Language

German
Fluent
Arabic
Fluent
English
Advanced
French
Advanced

Work Experience

Founder & Software Developer at Bertsch Innovation Sarl (Tunisian subsidiary of Bertsch Innovation GmbH)
January 1, 2009 - January 1, 2013
Founded and managed a software development company delivering customized enterprise and mobile solutions for international clients. Designed and developed the Mercedes-Benz Test-Driven Booking Apps showcased at IAA Frankfurt 2011. Created stock and order management plugins and led multi-project delivery across teams.
Senior iOS Developer at Bertsch Innovation GmbH (Tunisian subsidiary)
January 1, 2014 - January 1, 2022
Leading the Tunisian subsidiary of Bertsch Innovation GmbH, overseeing software development teams and aligning with German headquarters. Responsible for team scaling from 0 to 10 developers in the first year and to 20 in the second. Developing mobile and back-end solutions for international clients. Delivery of projects including online shops, ERP integrations, and custom mobile applications. Design and implementation of REST APIs and Cockpit-based system integrations. Customer data migration, onboarding, and post-deployment support. Acting as Scrum Master in client projects, coordinating sprints and agile workflows. Responsible for client invoicing and overall operational management.
Lead iOS Developer at Hold-Apps
January 1, 2022 - Present
IPTV streaming app development for cross-platform (iOS, macOS, tvOS, Android, Smart TVs) with over 3 million downloads and 200,000 monthly active users. Built an advertising management and monetization SDK for mobile and Smart TV platforms. Published additional iOS and Android apps on the App Store and Google Play. Technologies include Swift, SwiftUI, UIKit, Combine, AVKit, Mobile VLC Kit, Git LFS, Xcode, REST APIs, and related tooling.

Education

B.S. in Computer Science at Institut Supérieur d'Informatique, Tunis, Tunisia
January 11, 2030 - January 1, 2006
High School Diploma (Scientific) at Lycée Khaznadar, Tunis, Tunisia
January 11, 2030 - January 1, 2002
End-of-Study Project at University of Stuttgart, Stuttgart, Germany
January 1, 2006 - January 1, 2006

Qualifications

Add your qualifications or awards here.

Industry Experience

Computers & Electronics, Software & Internet, Media & Entertainment, Professional Services, Other