Oksana Kosinova

Developing PL/SQL scripts for an accounting product across Oracle, Firebird, and PostgreSQL databases simultaneously. Optimizing existing scripts, including those for clients with large-scale databases.

Working with the IKIS platform, which provides ingestion and processing of applications for the appointment/recalculation and payment of pensions and housing subsidies, and its integration with other state and public institutions. Responsibilities included ingestion, parsing, data entry, and optimization of tax reporting; support for the PFU (Pension Fund of Ukraine) web portal; data exchange via the Trembita system; complex queries; and PFU reporting. Technologies: PL/SQL, Oracle APEX, JavaScript, XML

Development in PL/SQL and Oracle APEX. Receiving and sorting large volumes of messages per day using Oracle tools; large-scale tables (creation, maintenance, relations), complex queries, and reporting for regulatory authorities. JavaScript, XML, REST.