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# Data scientist

- **Company:** Zetazsystems
- **Location:** Brussel, Belgium
- **Contract:** Permanent contract
- **Skills:** Data Analysis, Unit Testing, Extract Transform Load (ETL), Data Stores, Data Visualization, R (Programming Language), Apache Hadoop, Python (Programming Language), MongoDB, NoSQL, NumPy, SQL Databases, Talend, Pandas, Matplotlib, Plotly, Data Management
- **Published:** October 27, 2026
- **Apply:** https://zetazsystems.com/jobs/data-scientist-2/

## About the Role

* Excellent knowledge of Data Analytics techniques and tools;
 * Experience with languages like R, Python, PERL;
 * Proficient in continuous code delivery and unit testing;
 * Expertise in the ETL processes and tools (i.e. Talend Open Studio…);
 * Good knowledge of SQL tooling (NoSQL DB, MongoDB, Hadoop, SQL);
 * Knowledge of architectural design and implementation of scalable modern data stores;
 * Knowledge of R-Studio infrastructure is an asset;
 * Experience in developing interactive R / Python dashboards using packages like Shiny, Dash or similar is an asset;
 * Experience in developing R / Python functions to perform linear algebra calculations with data frames and arrays, ensuring efficient manipulation of data is an asset;
 * Experience in using the following libraries (or equivalents) is an asset:
 * Data Management: Pandas (tidyverse and dplyr for R), Numpy;
 * Data Visualizations: at least one among Matplotlib, Seaborn or Plotly (ggplot2 for R);
 * Capability to write clear and structured technical documents;
 * Ability to work in a team as well as autonomously;
 * Results-oriented mindset, focused on delivering;
 * Good communication skills in English, both orally and in written form.