El Mehdi BOUTAHAR
Data Engineer
Casablanca
Profil professionnel
I am a Big Data Engineer with hands-on experience in building and optimizing data pipelines using PySpark, Apache Airflow, and cloud storage solutions like AWS S3. I currently contribute to improving telecom network performance at Bouygues Telecom by managing and analyzing KPIs in the iQual project. My strengths lie in data orchestration, quality monitoring, and cross-functional collaboration with DataOps and network teams. I am motivated, detail-oriented, and always eager to bring smart, scalable solutions to data challenges.
Vue d'ensemble
4
4
years of professional experience
6
6
years of post-secondary education
Expérience
Big Data engineer
Bouygues Telecom
Rabat
07.2024 - Actuel
- Contributed to the iQual project, focused on enhancing telecom network quality through KPI monitoring and data-driven insights.
- Built and maintained data pipelines using Apache Airflow for workflow orchestration.
- Processed and transformed large-scale data with PySpark in distributed environments.
- Extracted and analyzed data from AWS S3 and HDFS storage systems.
- Ensured data quality and managed discrepancies through custom scripts and automated checks.
- Collaborated with DataOps and Network teams to validate indicators and support dashboard delivery.
Big data engineer
Umnia Bank
Casablanca
01.2023 - 03.2025
- Permanent contract at Umnia Banque as BIG DATA engineer
- Management of the entire data infrastructure of the bank
- Development of a distributed system with Big Data tools to significantly reduce processing times response from internal bank extractions for various internal departments such as risk, accounting, marketing, etc
- Automation of all processes
- Migration from the old architecture of data generated by TEMENOS T24 R22 (Core Banking) towards a reliable and high-performance architecture
- We managed to manage millions of data (customers, accounts, checks, contracts, financing, etc.) in a manner extremely fast and efficient using distributed computing with Spark
- UMNIA-MGL: brought back to life being abandoned, a tool for generating all customer entries, whether they come from internal bank or external transactions
Workforce analyst (Business Intelligence)
DXC TECHNOLOGY
Rabat
02.2022 - 06.2022
- Modeling of the Data Warehouse
- Creation of data mart and star schemas
- Design of dashboards
- Definition of metadata
- Extraction of source data
- Data validation
- Data transformation
- Implementation of the Data Warehouse
- Data analysis
- Environment Tools SSIS, SSAS, Power BI Basic technique data SQL Server,DAX STUDIO
Data scientist
UIR
Rabat
06.2021 - 07.2021
- Internship: Predicting the severity of car accidents in the United States with Machine Learning
- Data Collection: Aggregation of massive data on road accidents in the United States
- Data Preprocessing: Cleaning data to remove outliers and gaps
- Data Mining: Exploratory analysis to identify trends and potential correlations between the different variables
- Modeling: Application of machine learning models
- Interpretation of Results: Analysis of the results to understand the impact of different variables on the severity of accidents
- Reporting and Communication: Preparation of a detailed report summarising the results, methodologies used and the practical implications
- Environment of Development Jupyter Notebooks, Python IDE Technical Libraries and Tools Machine Learning NumPy and pandas,scikit-learn,TensorFlow,Matplotlib
Formation
Big data ,Ai,BI -
International University of Rabat
09.2019 - 07.2022
Integrated preparatory class - undefined
International University of Rabat
09.2017 - 07.2019
Baccalaureate in physical science - undefined
Alexandre High School
09.2016 - 06.2017
Compétences
- Machine Learning
- Deep Learning
- Business Intelligence
- Hadoop
- Spark
- Hive
- Data Mining
- Delta Lake
- HBase
- MySQL
- SQL Server
- Python
- R
- Java
- SQL
- Scala
- Docker
- Distributed Systems
- SSIS
- SSAS
- KNIME Analytic Platform
LANGUAGES
English
Opérationnel
French
Opérationnel
Arabic
Courant
Chronologie
Big Data engineer
Bouygues Telecom
07.2024 - Actuel
Big data engineer
Umnia Bank
01.2023 - 03.2025
Workforce analyst (Business Intelligence)
DXC TECHNOLOGY
02.2022 - 06.2022
Data scientist
UIR
06.2021 - 07.2021
Big data ,Ai,BI -
International University of Rabat
09.2019 - 07.2022
Integrated preparatory class - undefined
International University of Rabat
09.2017 - 07.2019
Baccalaureate in physical science - undefined
Alexandre High School
09.2016 - 06.2017
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