Zalan L.

Need dashboards that executives actually use? Data pipelines that don't break? Analytics that drive real business decisions? I've spent 10+ years building analytics infrastructure for Nasdaq-listed companies (Upwork, Intuit) and LATAM's top tech unicorns (QuintoAndar, EasyTaxi (acq. by Cabify) - and I bring that enterprise-grade expertise to every project. ━━━━━━━━━━━━━━━━━━━━━━ 📊 WHAT I DELIVER ✦ Dashboard & BI Development • Built 500+ executive dashboards serving C-level decision makers • Expert in Looker (LookML), Tableau, and Power BI • Designed metrics frameworks used by entire organizations ✦ Data Pipelines & Infrastructure • SQL, Python, dbt, Airflow - production-ready pipelines • ETL/ELT design with 80% performance improvements • Data modeling and semantic layer architecture ✦ AI-Augmented Analytics • LLM-powered tools that cut analysis time by 99% • Automated reporting and documentation systems • Predictive modeling and forecasting ━━━━━━━━━━━━━━━━━━━━━━ 🎯 RESULTS I'VE ACHIEVED ✓ 90% reduction in chargebacks through fraud analytics (saved $200K+) ✓ 99% faster documentation using AI automation (days to minutes) ✓ 14% improvement in customer satisfaction through metrics redesign ✓ 9% churn reduction through data-driven retention strategies ━━━━━━━━━━━━━━━━━━━━━━ ⭐ WHY CLIENTS CHOOSE ME • 100% Job Success Score with all 5-star reviews • 3,700+ hours on Upwork with $100K+ earned • Long-term partnership focus (most contracts are 6+ months) • Clear communication and proactive problem-solving ━━━━━━━━━━━━━━━━━━━━━━ 🛠️ Tools: SQL | Python | Looker | Tableau | dbt | Airflow | BigQuery | Snowflake | AWS | GCP Ready to transform your data into actionable insights? Let's talk!