Type-safe, schema-driven Excel reporting for TypeScript with native Excel tables and streaming exports.

This case study is designed for e-commerce teams, store operators, agencies, and freelancers who need recurring exports and reporting-ready files from Shopify-style order, product, and customer data.

Production-grade sales forecasting system using ARIMA, Holt-Winters, and ML with automated reporting.

Interactive Excel dashboard analyzing UK road accident data for 2021–2022 (307K+ records)

A Machine Learning-Based Decision Support System for Predicting Customer Attrition and Quantifying Revenue Risk in Subscription Businesses

VAT reconciliation control app for comparing VAT registers, return summaries, payments/refunds, and GL control movements with exception reporting and Excel export.

Python data pipeline that extracts data from Notion API, transforms it with Pandas, and generates automated Excel reports for Power BI dashboards.

Bulk Gmail credential validation using Python, Selenium, Docker, and GitHub Actions with Excel-based reporting and security auditing.

Python automation tool for Cisco switch collection, parsing, Excel reporting, dashboards, JSON snapshots, and topology crawl.

Portfolio risk management tool using VaR, Expected Shortfall, Risk Parity and Black-Litterman optimization.

Process unlimited Excel files automatically: clean data by processing each, standardize columns, merge files, and generate professional reports with visual tools.

AI-assisted job intelligence pipeline for structured JD analysis and candidate-role matching.

School Analytics Dashboard – Flask web app to track attendance, fees, grades, and student reports with Excel export.

A practical SQLite portfolio project analyzing property occupancy, rent collection, tenant payments, and maintenance KPIs using SELECT, JOIN, GROUP BY, CASE WHEN, SUM, COUNT, and date filtering.

Production-style RPA pipeline built with Python, Selenium, pandas, and openpyxl for web automation, data processing, Excel reporting, and scheduler-ready execution.

Автоматизированная система сбора производственных данных через REST API с последующей обработкой, агрегацией и формированием управленческих отчетов в Excel.

Automated web scraper for SEMI member directory with multi-lingual support and data enrichment.

Legacy RedCheck 2022 XML report parser with Excel reporting and planned current-schema support

NLP survey analysis pipeline for Shopify (Zigpoll/KNO/other) CSV exports. Classifies sentiment & themes (free demo mode or OpenAI mode) and outputs multi-sheet Excel with charts.

Análisis de datos de ventas e inventario para un e-commerce simulado, con el objetivo de optimizar la gestión de stock mediante el cálculo de Puntos de Reorden y Stock de Seguridad, identificando riesgos de quiebre y oportunidades de mejora.