I build data and automation systems for pricing, BI and business decision-making.
- Python automation
- SQL / BigQuery
- Pricing Analytics
- ETL / data validation
- BI and decision-support tools
- Applied AI research
Python + Streamlit + Pandas + OpenPyXL + SQL
Business-rule engine for price validation, competitor comparison and margin analysis.
Synthetic ETL pipeline for campaign analysis: triggers, targets, sales, discounts and margin.
Experimental research prototype for latent-space communication between language models.
Python, SQL, BigQuery, Pandas, NumPy, Selenium, Requests, Power BI, Streamlit, Git, GCP.
LinkedIn: Cristiano Silva Email: ziwehdafe@gmail.com

