Ehsan M.-Data Engineer
Check rate
Experience
BI Developer
Telecommunications Infrastructure
- Gathered and analyzed requirements in close collaboration with business departments to develop data-driven solutions and scalable PowerBI reporting infrastructures.
- Conducted detailed error analyses and optimized existing semantic and data models to ensure a robust data architecture and high data quality and to improve PowerBI reporting.
- Developed and implemented scalable ETL processes for data preparation and integration.
- Built a wiki for table and view descriptions as well as PowerBI PowerQuery and KPI documentation to ensure a consistent understanding of data structures and key performance indicators.
Analytics
E-Commerce for Beverages
- Implemented and managed ETL pipelines in Databricks Notebooks (Delta Live Tables) using Delta Lake to clean raw data and make it available in the Gold layer for consistent, high-quality analyses.
- Developed a Kafka-based real-time streaming pipeline to capture vehicle telemetry data in the Databricks Unity Catalog.
- Optimized and automated data pipelines with dbt to ensure consistent data quality and efficient data delivery.
Business Intelligence
Wholesale Marketplace Platform
- Led the end-to-end integration of Google Analytics data into the Google Cloud Platform, including data extraction, cleansing, and pipeline development to support analyses in BigTable.
- Supported product managers with ad hoc analyses in SQL and monitored KPIs for new app releases based on Google Analytics data through Tableau dashboards.
- Developed and automated a data pipeline in Google BigQuery for real-time customer classification.
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 optimize analysis processes.
- Designed and implemented Tableau dashboards with Snowflake to support daily fulfillment operations, focusing on improving operational efficiency and tracking process productivity.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Retail, Food and Beverage, and Telecommunication.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Business Intelligence, Information Technology, and Supply Chain Management.
Summary
Data Engineer and PowerBI expert with a Master of Science in Data Science and over 5 years of experience in developing and maintaining data pipelines, creating PowerBI and Tableau dashboards, building robust semantic models in close collaboration with business departments, optimizing ETL processes, and managing complex data infrastructures.
Skills
- Database Management: Databricks (Delta Lake), Kafka, Snowflake, Microsoft Azure, Google Cloud, Postgresql
- Data Visualization: Powerbi (Dax, Tabular Editor, Alm, Dax Studio), Tableau, Looker, Matplotlib
- Programming Languages: Python (Pandas, Numpy, Jupyter Notebooks), (Spark) Sql, Pyspark (Apache Spark)
- Project Management And Agile Methods: Scrum, Jira, Confluence, Azure Devops, Git, Github
Languages
Education
Universidade Nova de Lisboa – Information Management School
MSc Data Science · Data Science · Lisbon, Portugal · Cum Laude
Maastricht University – School of Business and Economics
BSc International Business · International Business · Maastricht, Netherlands
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Ehsan is based in Düsseldorf, Germany and can operate in on-site, hybrid, and remote work models.
Ehsan speaks the following languages: German (Native), English (Advanced), Persian (Advanced).
Ehsan has at least 6 years of experience. During this time, Ehsan has worked in at least 4 different roles and for 4 different companies. The average length of individual experience is 2 years and 7 months. Note that Ehsan may not have shared all experience and actually has more experience.
Based on recent experience, Ehsan would be well-suited for roles such as: BI Developer, Analytics, Business Intelligence.
Ehsan's most recent position is BI Developer at Telecommunications Infrastructure.
In recent years, Ehsan has worked for Telecommunications Infrastructure, E-Commerce for Beverages, and Wholesale Marketplace Platform.
Ehsan is most experienced in industries like Retail, Food and Beverage, and Telecommunication.
Ehsan is most experienced in business areas like Business Intelligence, Information Technology, and Supply Chain Management.
Ehsan has recently worked in industries like Retail, Telecommunication, and Food and Beverage.
Ehsan has recently worked in business areas like Business Intelligence and Information Technology.
Ehsan holds a Master in Data Science from Universidade Nova de Lisboa – Information Management School and a Bachelor in International Business from Maastricht University – School of Business and Economics.
The availability of Ehsan needs to be confirmed.
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Average rates for similar positions
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The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 6 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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