• Developed data analytics and visualization solutions using Microsoft Power BI, contributing to the enhancement of data-driven decision-making processes.• Collaborated closely with customers, interpreting their requirements and transforming them into technical solutions, ensuring their business needs were met.• Developed a new report from scratch and made modifications to existing reports in line with the updated requirements.• Developed and implemented Row-Level Security (RLS), enhancing data security by regulating access to data at the row level.• Took responsibility for creating documentation for the reports, ensuring it met accuracy, completeness, and compliance with the company standards.

• Conducted the migration of reports from Qlik Sense to Power BI. This involved developing these reports in Power BI to replicate their functionality in Qlik Sense, also taking advantage of Power BI's features to enhance the reports' effectiveness.• Engaged in data modeling within Power BI, developing structures that catered to complex reporting requirements.• Utilized DAX formulas to develop calculated columns and measures.• Conducted quality control on completed reports, testing data accuracy, visualization performance, and overall functionality to ensure high-quality results.

• Working with business requirements and their clarification • Data Warehouse and ETL (architecture, create table techniques, building hybrid dwh by Inmon and Kimball, data access, partitioning, parallel execution, extraction, transformation and loading data between layers, refresh improving and etc.)• Amazon Web Services (S3, EC2, Redshift, Cloud Data Services)• Power BI (Reporting consepts, DAX, PowerBI Service/Desktop)• Data Quality (Test design, DWH testing, teststrategy/report, Jenkins, Selenium)

• Mastered advanced PostgreSQL • DB modeling: created conceptual, logical and physical model of DB • SQL Foundation: DML, DDL, TCL, DCL • SQL for analysis: Window Functions, Window Frames

• Mastered advanced T-SQL • Designed DB Architecture • Created Database in MS Server SQL • Created ETL solution (SSIS) • Implemented interactive data visualization dashboards in Power BI and Tableau Results: • Designed and created DB • Developed Data Visualizations solution

Tasks: • Daily database queries (SQL) • Collected, assessed and analyzed the individual departments needs and served as a point of contact for the development team building a new system • Created software requirements specifications for the development team • Onboarding and mentoring department 2 new members • Created and restored a database back up • Worked with Excel (pivot tables, multiple use of formulas) • Created reports in Excel by querying the database • Prepared the technical documentation for reports Results: • Successful transfer of data to a new system within the company • Developed 10 new templates for the necessary reports • Added new functionality to the existing system • Trained 2 new employees