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# Data Analyst / Data Engineer

- **Company:** Rahantech GmbH
- **Location:** Berlin, Germany
- **Contract:** Permanent contract
- **Skills:** Microsoft Excel, Data Analysis, Big Data, Extract Transform Load (ETL), Data Visualization, Relational Databases, R (Programming Language), Python (Programming Language), MySQL, NoSQL, Power BI, SQL Databases, Data Streaming, Tableau (Software), Information Technology
- **Published:** July 22, 2026
- **Apply:** https://www.adzuna.de/details/5802975615

## About the Role

* You have an university degree in Data Science, Statistics, Mathematics, Computer Science or a related field
 * Proficiency in data analysis tools and software such as SQL, Excel, Python and R
 * You are familiar with data visualization tools such as Power BI, Tableau, or Dundas BI
 * You are proficient in working with relational databases, including MySQL
 * Strong analytical and problem-solving skills with a keen attention to detail

## Description

* You create dashboards and advise diverse stakeholders to find answers to their business questions by utilizing the latest technologies
 * You work with large volumes of data in relational databases, create custom analyses and optimize SQL queries
 * You design and implement automated data flows (ETL) and perform extensive data migrations
 * Develop, optimize and maintain data storage solutions, including relational and NoSQL databases
 * Develop predictive models to forecast future trends and outcomes
 * You ensure the accuracy and timeliness of project planning and proactively engage with all stakeholders


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