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Leonardo Molina

@leonardomolina1

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Senior Data Engineer with 4+ years building cloud data platforms, ETL pipelines, and executive BI solutions

Colombia

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What I'm looking for

I am looking for a remote job

Senior Data Engineer with 4+ years building cloud data platforms, ETL pipelines, and executive BI solutions across supply chain, pharma,
agriculture, and international trade. Deep Power BI expertise: built CEO-level dashboards integrating 4 heterogeneous sources, 50M+
records, with SPICE optimization and Row-Level Security. Designed and operated full cloud data architectures (S3 → ETL → data
warehouse → visualization) with strong alignment to the Azure Data Factory / Synapse / Power BI stack. Led post-acquisition database
migration merging two companies' relational schemas. International work background (Dubai, UAE).

Experience

Work history, roles, and key accomplishments

Senior Data Engineer

Elite CO

Mar 2025 - Mar 2026 (1 year)

Built and delivered a CEO executive Power BI dashboard integrating 4 heterogeneous sources (3 PostgreSQL databases and HubSpot CRM), consolidating 50M+ records with SPICE optimization and row-level security for real-time KPIs. Designed an end-to-end cloud architecture (raw ingestion → Glue ETL → Athena → BI) and led a post-acquisition database migration by merging relational schemas via ETL with d

Power BI SPICE Optimization ETL AWS Glue Amazon Athena PostgreSQL Data Modeling Step Functions HubSpot

Business Analyst

Flores Funza

Dec 2023 - Dec 2024 (1 year)

Designed end-to-end data pipelines integrating Microsoft Dynamics across production, inventory, and sales, and built unified tracking with Power BI, SQL, and Python to improve forecasting accuracy by 18%. Developed dynamic pricing models in Python, reducing manual errors by 20% and improving competitive positioning in international export flows.

Business Analysis Microsoft Dynamics Power BI SQL Python Data Pipelines Data Modeling Forecasting Pricing Models Stakeholder Management

BI Specialist

Pharma Lab

May 2023 - Dec 2023 (7 months)

Automated sales funnel monitoring using SQL and Python dashboards, improving team efficiency by 25% and conversion rate by 20%. Implemented predictive retention models with Pandas and Scikit-learn to increase customer retention by 20%.

SQL Python Power BI predictive modeling Pandas scikit learn Retention Data Visualization

Business Operations Analyst

Tenaris

Dec 2021 - May 2023 (1 year 5 months)

Built forecasting dashboards using BI tools, Python, and SQL, reducing projection errors by 12% across global supply chain inventory. Automated pricing and delivery workflows in Python, shortening response times by 15%.