Strong knowledge of: - Delphi (include Free Pascal and Lazarus), - Java (Android), - Objective C (iOS), - C# (Windows Mobile and Desktop) and - network communications programming (TCP/UDP). Advanced knowledge of relational database: - MySQL, - SQLite and - T-SQL. Intermediate knowledge of: - Web based technologies: HTML, PHP and JQuery, - Bootstrap framework and - Prestashop e-commerce. Experienced in multi-threading in a Windows environment.