Ehsan Meisami - BI Developer

Q: Where is Ehsan based?

Ehsan is based in Düsseldorf, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Ehsan speak?

Ehsan speaks the following languages: German (Native), English (Advanced), Persian (Advanced) .

Q: How many years of experience does Ehsan have?

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 1 year and 5 months . Note that Ehsan may not have shared all experience and actually has more experience.

Q: What is Ehsan's latest experience?

Ehsan's most recent position is BI Developer at Telecommunications Infrastructure .

Q: What companies has Ehsan worked for in recent years?

In recent years, Ehsan has worked for Telecommunications Infrastructure , E-commerce for Beverages , and Wholesale Marketplace Platform .

Q: Which industries is Ehsan most experienced in?

Ehsan is most experienced in industries like Retail , Food and Beverage , and Telecommunication .

Q: Which business areas is Ehsan most experienced in?

Ehsan is most experienced in business areas like Business Intelligence , Information Technology (IT) , and Supply Chain Management .

Q: Which industries has Ehsan worked in recently?

Ehsan has recently worked in industries like Retail , Food and Beverage , and Telecommunication .

Q: Which business areas has Ehsan worked in recently?

Ehsan has recently worked in business areas like Business Intelligence and Information Technology (IT) .

Recommended expert

Düsseldorf, Germany

Experience

Aug 2024 - Present

1 year 7 months

Düsseldorf, Germany

BI Developer

Telecommunications Infrastructure

Gather and analyze requirements in close collaboration with business units to develop data-driven solutions and scalable PowerBI reporting infrastructures.
Perform detailed debugging and optimize existing semantic and data models to ensure a robust data architecture, high data quality, and improved PowerBI reporting.
Design and implement scalable ETL processes for data preparation and integration.
Create a wiki for table and view descriptions as well as PowerBI PowerQuery and KPI documentation to ensure a consistent understanding of data structures and metrics.

Dec 2022 - Sep 2024

1 year 10 months

Münster, Germany

Analytics

E-commerce for Beverages

Implemented and managed ETL pipelines in Databricks notebooks (Delta Live Tables) using Delta Lake to cleanse raw data and provide it in the gold layer for consistent, high-quality analytics.
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.

Jul 2021 - Nov 2022

1 year 5 months

Berlin, Germany

Business Intelligence

Wholesale Marketplace Platform

Led the 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 analyses 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 optimize analysis workflows.
Designed and implemented Tableau dashboards with Snowflake to support daily fulfillment operations, focusing on improving operational efficiency and tracking process productivity.

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Retail (3 years), Food and Beverage (2.5 years), and Telecommunication (1.5 years).

Retail

Food and Beverage

Telecommunication

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Business Intelligence (5.5 years), Information Technology (3 years), and Supply Chain Management (1 year).

Business Intelligence

Information Technology

Supply Chain Management

Summary

Data engineer and PowerBI expert with a Master of Science in Data Science and over 5 years of experience developing and maintaining data pipelines, creating PowerBI and Tableau dashboards, building robust semantic models in close collaboration with business teams, 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

German

Native

English

Advanced

Persian

Advanced

Education

Sep 2020 - Aug 2022

Universidade Nova de Lisboa – Information Management School

MSc Data Science · Data Science · Lisbon, Portugal · Cum Laude

Sep 2015 - Dec 2018

Maastricht University – School of Business and Economics

BSc International Business · International Business · Maastricht, Netherlands

Profile

Created

February 2025

Last Update

March 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Ehsan based?

Ehsan is based in Düsseldorf, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Ehsan speak?

Ehsan speaks the following languages: German (Native), English (Advanced), Persian (Advanced).

How many years of experience does Ehsan have?

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 1 year and 5 months. Note that Ehsan may not have shared all experience and actually has more experience.

What roles would Ehsan be best suited for?

Based on recent experience, Ehsan would be well-suited for roles such as: BI Developer, Analytics, Business Intelligence.

What is Ehsan's latest experience?

Ehsan's most recent position is BI Developer at Telecommunications Infrastructure.

What companies has Ehsan worked for in recent years?

In recent years, Ehsan has worked for Telecommunications Infrastructure, E-commerce for Beverages, and Wholesale Marketplace Platform.

Which industries is Ehsan most experienced in?

Ehsan is most experienced in industries like Retail, Food and Beverage, and Telecommunication.

Which business areas is Ehsan most experienced in?

Ehsan is most experienced in business areas like Business Intelligence, Information Technology (IT), and Supply Chain Management.

Which industries has Ehsan worked in recently?

Ehsan has recently worked in industries like Retail, Food and Beverage, and Telecommunication.

Which business areas has Ehsan worked in recently?

Ehsan has recently worked in business areas like Business Intelligence and Information Technology (IT).

What is Ehsan's education?

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.

What is the availability of Ehsan?

Ehsan is immediately available full-time for suitable projects.

What is the rate of Ehsan?

Ehsan's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.