About Hery
I’m a Data Engineer with 4+ years of experience designing and building scalable, reliable data pipelines.
I help companies transform raw data into usable, high-quality insights by implementing robust ETL/ELT processes and modern data integration solutions.
+What I bring:
- End-to-end development of data pipelines (ETL/ELT)
- Integration of data from APIs, databases, and cloud platforms
- Strong focus on data quality, performance, and reliability
- Automation of workflows and data processes
+Tech stack:
- Informatica Cloud (IDMC)
- Talend (ETL / ESB)
- Snowflake
- Python (data processing, APIs)
- SQL & Shell scripting
- Apache Airflow
+Selected achievements:
- Built API-based ingestion pipelines with validation and error handling
- Designed data workflows integrating ERP, APIs, and messaging systems
- Developed scalable data pipelines improving data availability and reliability
I’m currently available for freelance / contract opportunities in Data Engineering.
French
Native or bilingual
English
Conversational
Remote only
Primarily works remotely
Experience
- Orange BusinessData Engineer InformaticaPHARMACEUTICALS INDUSTRYApril 2025 - Today (1 year and 2 months)Quatre Bornes, Mauritius
- Design and develop data integration workflows using Informatica Cloud (IDMC)
- Build and maintain scalable ETL pipelines for enterprise data systems
- Integrate data from Oracle databases and external sources
- Ensure data quality, reliability, and performance optimization
- Collaborate with business and technical teams to deliver data solutions
- YasData Engineer TalendTELECOMMUNICATIONSSeptember 2023 - April 2025 (1 year and 6 months)Antananarivo, Madagascar
- Designed and implemented ESB using Talend
- Improved data workflow performance and reliability
- Built scalable data integration solutions supporting business operations
- Worked extensively with SQL, APIs, and data transformation processes
- Led data migration and integration projects across multiple systems
- PulseData Analyst Power BITECHSeptember 2022 - September 2023 (1 year and 1 month)Antananarivo, Madagascar
- Designed and developed data pipelines to acquire, clean and process data with Airflow.
- Development of scripts and tools to automate data extraction, transformation and loading (ETL) using Python and PANDAS.
- Developed and maintained data warehouses to support business operations.
- Optimization of SQL queries to improve efficiency and reduce processing time.
- Set up stored procedures, triggers and functions to automate business processes.
- Creation of interactive dashboards to facilitate management decision-making with Power BI.
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Education
- Master of ScienceUniversité de Nice Sophia Antipolis2023Le parcours MIAGE Mobiquité, Big Data et intégration de Systèmes (MBDS) forme à l’ingénierie des usages des technologies de l’information et de la communication. https://drive.google.com/file/d/1SsfLI9AzTCDo-xsDiusGbEjdpGkyeVZR/view
- Bachelor's degreeIT University2021https://www.ituniversity-mg.com/page/check.php?id=w0BJwgLJ2v3
Certifications
- IBM Data Warehouse EngineerIBM2024
- BI Foundations with SQL, ETL and Data WarehousingIBM2024