Local/cloud data pipeline that transforms raw GitHub event data into analytics-ready tables and visualizes repository activity through a Streamlit dashboard.

Excel-based payroll automation tool that transforms time-clock data into validated payroll summaries and payment-ready CSV exports.

Analysis of funding patterns, donor engagement, and assignment outcomes using SQL.

Implementation of Statistical Process Control (SPC) methods to monitor process stability, detect anomalies, and highlight operational risks.

dbt and Snowflake-based ELT workflow for transforming e-commerce transactions into modular, testable, and business-ready data models.

PostgreSQL-based data model for tracking membership lifecycle, churn, cohort retention, and engagement metrics.

Interactive dashboard identifying key drivers of profitability and opportunities to improve financial performance.

Data cleaning and standardization in PostgreSQL to enhance report accuracy and reduce future prep work.

Visualization of overall HR budget metrics and division-specific spending insights in an interactive dashboard.

Evaluation of vacation rental data to identify investment opportunities and present insights to stakeholders.

Analysis of employee survey responses to uncover patterns in job satisfaction and engagement.

Exploration of product, sales, and marketing data to understand customer behavior on Yandex Afisha. 

Comparison of test groups to determine the most effective strategy for boosting revenue.

Financial analysis of revenue, costs, margins, and profits to assess business performance.

Public web application for exploring and visualizing vehicle data, deployed on a cloud platform.

Predictive classification model for recommending mobile plans based on user behavior patterns.