Ehsan Meisami
BI Developer
Experience
Aug 2024 - Present
1 year Düsseldorf, Germany
BI Developer
Telekommunikationsinfrastruktur
- Gather and analyze requirements closely with business teams to develop data-driven solutions and scalable Power BI reporting infrastructures.
- Perform detailed troubleshooting and optimizations of existing semantic and data models to ensure a robust data architecture, high data quality, and improved Power BI reporting.
- Design and implement scalable ETL processes for data preparation and integration.
- Create a wiki for table and view descriptions as well as Power BI Power Query and KPI documentation to ensure a unified understanding of data structures and metrics.
Dec 2022 - Sep 2024
1 year 10 months Münster, Germany
Analytics
Beverage e-commerce
- Implemented and managed ETL pipelines in Databricks notebooks (Delta Live Tables) using Delta Lake to clean raw data and deliver it in the gold layer for consistent, high-quality analysis.
- Developed a Kafka-based real-time streaming pipeline for collecting vehicle telemetry data in Databricks Unity Catalog.
- Optimized and automated data pipelines with dbt to ensure consistent data quality and efficient data delivery.
Jul 2021 - Nov 2022
1 year 5 months Berlin, Germany
Business Intelligence
Wholesale marketplace
- Led end-to-end integration of Google Analytics data in Google Cloud Platform, including data extraction, cleansing, and pipeline development to support analyses in BigTable.
- Assisted product managers with ad-hoc SQL analysis and monitored KPIs for new app releases based on Google Analytics data via Tableau dashboards.
- Developed and automated a data pipeline in Google BigQuery for real-time customer classification.
Oct 2019 - Sep 2020
1 year Düsseldorf, Germany
Supply Chain Analyst
International online grocery delivery service
- Developed analytical tools and dynamic Tableau dashboards integrated with Snowflake to optimize and manage daily supply chain processes.
- Used Snowflake and Python scripts with Pandas and NumPy for data processing to automate data flows, ensure data quality, and streamline analysis workflows.
- Designed and implemented Tableau dashboards with Snowflake to support daily fulfillment operations, focusing on improving operational efficiency and tracking process productivity.
Summary
Data engineer and Power BI expert with a Master of Science in Data Science and over 5 years of experience building and maintaining data pipelines, creating Power BI and Tableau dashboards, developing robust semantic models closely with business teams, optimizing ETL processes and managing complex data infrastructures.
Languages
German
Native
English
Advanced
Persian
Advanced
Education
Sep 2020 - Aug 2022
Universidade Nova de Lisboa – Information Management School
Master of Science · Data Science · Lisbon, Portugal · Cum Laude
Sep 2015 - Dec 2019
Maastricht University – School of Business and Economics
Bachelor of Science · International Business · Maastricht, Netherlands
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