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Description

Data Analyst / Data Engineer – Transforming data into strategic decisions

I specialize indata collection, processing, and enhancementto help companies make informed decisions.

With a dual expertise in data and engineering, I work across the entire value chain:

Setting up data pipelines(ETL/ELT)with **Python**, **SQL, Talend, PySpark, Airflow**;
Data analysis and creation of interactivedashboardswith **Excel**, **Power BI, IBM Cognos, and Looker**;
Data manipulation and structuring inBig Dataenvironments;
Optimization and automation of data flows.

I have notably worked on:

Optimization of energy data flows (ENEO Cameroon)
Prediction projects (accident risks, air quality)
Creation of dashboards for monitoring and decision support

**My goal**: transform your data into a concrete performance lever.

Industry field of expertise

Languages

French
Native or bilingual
English
Conversational

Workplace preferences

Can work on-site

Orléans (up to 50km)

AVANCI-MV Group
Data Engineer/Analyst
CONSULTING AND AUDITS
June 2024 - December 2025 (1 year and 6 months)
Rennes, France
Implementation of an automated data pipeline to centralize, process, and structure customer data, while developing advanced analyses and visualizations to optimize their management and improve strategic decisions.
• Design and deployment of an automated ETL pipeline with Talend to centralize and structure customer data in PostgreSQL.
• Development of advanced SQL queries and automation of data analyses.
• Performance of exploratory analyses with Python (Pandas, Matplotlib).
• Creation of interactive Power BI dashboards to provide actionable insights.
• Documentation and capitalization of developments carried out.
• Support for business units in expressing and clarifying needs.
Python Microsoft Power BI SQL Talend PostgreSQL
ENEO Cameroun
Junior Data Engineer
ENERGY AND UTILITIES
December 2022 - July 2023 (7 months)
Douala, Cameroon
Design of dashboards for monitoring and preventive maintenance of the electricity grid in Cameroon.
• Development and automation of data pipelines with PySpark and Airflow, stored in PostgreSQL.
• Monitoring and optimization of processing to ensure performance and reliability.
• Development of interactive dashboards with Streamlit to monitor network performance.
• Data preparation and cleaning with Python.
• Automation of SQL table creation via Bash/Shell.
PySpark Airflow Bash Streamlit PostgreSQL
NAO SARL
Electrotechnical and Automation Engineer
CIVIL ENGINEERING
December 2021 - November 2022 (11 months)
Douala, LT, Cameroon
Context: Development and implementation of automation solutions for smart home automation, energy management, and industrial safety.
• Development and implementation of automation solutions for home automation and energy management.
• Design and installation of industrial safety systems.
• Development of automated interfaces and embedded solutions (VBA, FPGA).
VBA Microsoft Excel Apache Kafka API FPGA

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Specialized Master's degree
ECE - Engineering School
2024
Master spécialisé en
Master's Degree in Electrical Engineering and Industrial Computing
IUT - University Institute of Technology
2023
Master Génie Electrique et Informatique Industrielle

Check out Léonie's education

BI Consultant

Léonie Wabo

Data Engineer/Analyst

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