Mairis E.

Data Engineer | Databricks, AWS, Spark | ETL, Pipelines & Analytics

I build reliable data pipelines and analytics solutions for complex systems. 5+ years experience in AWS, Databricks, and Python, working with finance and cybersecurity data. I also deliver dashboards and data apps that help businesses track revenue, forecasts, operations, and geospatial data. What I do: ETL pipelines (batch & streaming) Databricks & Medallion Architecture Spark / PySpark data processing Airflow orchestration Streamlit data apps Geospatial data handling Power BI dashboards (revenue, forecasting, operations) Couple of Highlights: Built large-scale data pipelines on AWS (Kafka, OpenSearch, Airflow) Processed high-frequency financial data using Spark & Databricks Implemented scalable data platforms (Bronze → Silver → Gold) Delivered dashboards and applications for business insights