Freelancer profile translated to English.
Back to original languageAbout Rabarijaona
đź‘‹ Hello!
Graduated from ENI, I have been a Data Engineer and Business Intelligence specialist for 3 years.
Having led various projects in data engineering and Business Intelligence, I have experience in processing and analyzing massive data with several technical stacks (spark, python, Airflow, SQL, sql server, ssas, ssis, Power BI, Git, ...).
I can assist you with several types of projects:
- Integration of data from multiple sources.
- Design and modeling of data in your Data Warehouse or your Datalake.
- Data processing (e.g., cleaning, transformation, quality review)
- Automation and orchestration of data flows
- Development of comprehensive documentation for data processes and technical workflows for clarity and compliance.
- Design of KPIs, reports, and dashboards, tailored to your decision-making needs.
- Development of an OLAP solution that facilitates in-depth data exploration.
đź”— Contact me to discuss how I can contribute to the success of your projects!
French
Native or bilingual
Remote only
Primarily works remotely
Experience
- MvolaData Business Intelligence EngineerBANKING AND INSURANCEFebruary 2024 - Today (2 years and 4 months)Tananarive, Madagascar- Participation in the migration of data processing to a Big Data infrastructure, optimizing analysis capabilities and increasing processing speed for large volumes of data.- Implementation of automated processing pipelines- Creation and implementation of robust data models in the datalake, facilitating the integration and analysis of data from multiple sources.- Collection and integration of data from various sources and in various formats, ensuring complete data coverage for analyses.- Design of key KPIs to evaluate service performance, increasing visibility on critical indicators by 80% and facilitating decision-making.- Design, development, and proactive monitoring of dashboards- Regular analysis and improvement of data processing procedures, increasing data accuracy and consistency.- Documentation of technical processes and data, ensuring clarity and traceability- Development of financial, audit, compliance control, and commission reports for partners, improving transparency and operational monitoring.- Effective coordination of projects in agile mode, fostering inter-team collaboration and project delivery within deadlines.
- MvolaApprentice Data EngineerBANKING AND INSURANCEFebruary 2023 - February 2024 (1 year)Tananarive, Madagascar- Acquisition of data for new services- Monitoring of data processing- Data quality review- Development of Mvola service KPIs- Design, development, and maintenance of dashboards- Development of reports (financial reports, audit reports, transaction statements,- compliance control reports, operational reports)- Project management with the agile method- Design and development of an OLAP (Online Analytical Processing) solution- Development of data extraction, transformation, and loading (ETL) processes, ensuring the accuracy and consistency of data from various sources.- Design and development of cubes: Development of multidimensional cubes with SSAS to facilitate efficient and comprehensive data analysis.- Optimization of SQL and MDX queries
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Education
- Professional Master in Computer ScienceNational School of Informatics - University of FIANARANTSOA2023Domaine : Science de l'ingénieur Parcours: Génie Logiciel et Base de données