● Online sales of niche physical products. ● Sales of gaming accounts on specialized platforms (G2G, Z2U, Funpay).

Data Engineering Pipeline: Cryptocurrency Analytics (CoinGecko) — end-to-end pipeline ingesting crypto market data with a Medallion architecture (Bronze/Silver/Gold) on MinIO. ● Developed an end-to-end pipeline ingesting crypto market data from the CoinGecko API, with a Medallion architecture (Bronze/Silver/Gold) on MinIO. ● Orchestrated data flows with Apache Airflow and loaded dimensional models into Snowflake. ● Solved technical issues: Docker volume persistence, Snowflake-Tableau ODBC connection, and a recovery script to reload the Gold layer history (Parquet). ● Built a 2-page Tableau dashboard (global market overview + per-cryptocurrency detail), with project tracking via Jira (10 tickets).

Smart Fit End-to-End Data Engineering & Analytics Pipeline — an end-to-end Data Engineering and Business Intelligence solution designed to collect, process, transform, automate, and analyze Smart Fit club data. ● Developed an automated object-oriented web scraping pipeline with Scrapy (Spiders, Items, Pipelines). ● Engineered real-time data flows with Apache Kafka, with raw storage on MinIO and distributed processing via Apache Spark. ● Analytical modeling and loading into Snowflake, with dbt transformations and data quality tests. ● Daily orchestration with Apache Airflow, automated email alerts, a containerized environment with Docker, and reporting via Power BI.

Global Phosphate Market Analytics Platform — a multi-source analytics platform covering global trade, production, prices and economic indicators for phosphate (2016-2026). ● Designed a multi-source analytics platform (APIs, CSV/PDF, Web Scraping) covering global trade, production, prices and economic indicators for phosphate (2016-2026). ● Data pipeline: ingestion into MinIO (Data Lake), loading into Snowflake, and transformations with dbt following a Galaxy Schema model. ● Data quality control and full flow orchestration with Apache Airflow. ● Forecasting and Machine Learning for economic projections, with insights delivered via Power BI.