Maintenance of high-load MS SQL OLTP databases (2016-2019); Optimization of the database infrastructure, monitoring, solving the problems of productivity and uninterrupted operation of the DBMS.
Organization of access to the database, consultation on the operation of the DBMS and related software.
Work with Service Desk tickets and collaborate with other departments to resolve issues that arise.
Manage and update project documentation in Confluence.

Supporting regional managers in obtaining timely and accurate information from the company's systems, consulting on working with Power BI.
Used SQL to extract and process data from the company's databases. Tasks included creating and modifying queries to get the right information, checking and cleaning data for errors and duplicates, and combining data from different sources.
Developed reports and dashboards using Excel and Power BI.
Writing Python scripts to automate tasks related to data analysis, processing large amounts of data, automatic report generation.
Update the address program.
Administer Power Apps.
Uploading questionnaires for field employees who conducted point of sale audits and data collection.

Providing technical support to users, including installation, configuration and troubleshooting of software failures. Processing requests, redirecting requests to the appropriate departments and specialists for more in-depth analysis and problem solving. Development and maintenance of user manuals and manuals for the use of the software. Configuration and monitoring of MS SQL databases, including replication and modification of data. Software testing and reporting on Hyper-V virtual machines and generating reports via MS Reporting Services.