IVANNA FEFELOVA

Supported, improved, and added new features to about 10 customer systems written in different languages and databases. Collaborated with team using Git and Jira and discussed technical specifications directly with customers.

Developed C#.NET DLLs and desktop applications. Built automated test suites with Selenium and unit tests using xUnit, and optimized SQL queries improving application performance by 20%.

Maintained and developed new features in a large multi-module system (.NET + Delphi). Modified database structures and stored procedures in Oracle (PL/SQL).

Developed fullstack .NET web applications with backend (C#, SQL Server, Entity Framework, MVC) and frontend (ASP.NET, AngularJS, JavaScript, HTML5). Designed REST APIs and SSRS reports, and built database architecture.

Developed IT solutions for the BKK energy company using Delphi and PL/SQL. Designed Oracle database structures, packages, functions, and triggers.

Grade: diploma with honors

Master of Computer Science with honors from the National Technical University of Ukraine “Kyiv Polytechnic Institute”.

MBA in Business Administration from Vadym Hetman Kyiv National Economic University.

Professional certification in C# from CyberBionic Systematics.

Certification in Entity Framework 6 from CyberBionic Systematics.

Certification in jQuery from CyberBionic Systematics.

Certification in Oracle PL/SQL from Retratech.

First Certificate in English (FCE) from the University of Cambridge, valid for life.