Yulia Khaleeva

Data Analyst & Engineer @E-Quadrat Science & Education

Berlin, DE

Building and maintaining enterprise data infrastructure for higher education analytics consultancy- Designed and implemented database architecture covering 4,500+ universities, 10+ ranking systems, 20+ years of historical data - completely replacing legacy Excel workflows- Developed automated ETL pipelines reducing manual processing time by 50% using Python and SQL for multi-source data ingestion, cleaning, and transformation- Deliver strategic reports used directly by CEO and department heads for business planning and client presentations- Reduced data errors to a minimum through through automated validation scripts and systematic quality control processes- Manage full technical stack: Python, SQL, AWS, DigitalOcean, GitHub for version control and cloud infrastructureKey Achievement: Transformed a manual, error-prone Excel-based workflow into a scalable, automated data solution that now supports strategic decision-making at the executive level and serves as the foundation for client-facing analytics.Technical Environment: Python (Pandas, NumPy, data processing), SQL (database design, complex queries), AWS & DigitalOcean (cloud infrastructure), GitHub (version control), systematic data validation protocols