- Work with the opensource product team (openstreetmap.org.ua). - Support current systems, adding new modules. - Creating tables, triggers, and procedures. - Work with the open source soft such as openmaptiler, tile maker, etc.

- Communication with managers. - Creating different web applications. - Creating Web services using WCF framework. - Used Entity framework as an ORM for Model first approach of SQL. - Creating database models, functions, triggers and procedures. - Mentoring developers in team.

- Communication with managers and users. - Creating different web applications and supporting old windows form applications. - Creating Web services using WCF framework. - Used Entity framework as the model first approach.