Data Engineer · Big Data · Web Engineering

Nomenjanahary Mahandrisoa

Andriamaherisoa

Passionate about building distributed systems, real-time data pipelines, and full-stack products at the intersection of data and code.

maha.andria@gmail.com +33 6 02 33 95 09 linkedin/nomenjanahary-andria Cagnes sur Mer, France
Get in touch → View work ↓
Spark
Kafka
Airflow
React
FastAPI
Docker
Hadoop
Azure
Grafana
DEData Eng
01

Tech Stack

Languages
PythonScalaJavaJavaScript
Big Data & Processing
Apache SparkPySparkHadoopKafkaAirflowSparkStreaming
Cloud & DevOps
Azure Data FactoryAzure SynapseAzure DatabricksDockerDocker SwarmGitLab CI/CDGrafanaPrometheus
Databases
PostgreSQLSQL ServerMongoDBOracle
ETL & Visualization
Talend Open StudioSSISPowerBID3.jsPandasNumpy
Web & APIs
ReactReact NativeFastAPINode.jsGraphQLDjangoSymfonySpring BootSwagger
02

Experience

Professional Positions
SEP 2023 — PRESENT
Métropole Nice Côte d'Azur · Water & Wastewater
Current

Data Engineer

  • Deployed and managed the Hadoop Big Data stack for large-scale infrastructure
  • Implemented distributed computing with Apache Spark and real-time pipelines via Kafka
  • Designed real-time data collection and processing using SparkStreaming
  • Built Big Data monitoring tools with Grafana & Prometheus
  • Developed REST APIs using Python & FastAPI; orchestrated batch jobs with Airflow
HadoopSparkKafkaAirflowFastAPIGrafanaPrometheus
MAR 2024 — PRESENT
Razone Madagascar
Freelance

Tech Lead · React

  • Led the development team on Autohub (vehicle platform) ensuring technical consistency
  • Built modules for vehicle search, reservation management, and transaction tracking
  • Designed platform architecture and integrated with databases and third-party systems
  • Ensured performance, security, and reliability through continuous optimizations
ReactNode.jsPostgreSQLDocker
MAY 2022 — JUN 2023
ASTEK Group

Data Engineer

  • Translated functional specs into technical solutions within existing architecture
  • Implemented and refactored code in PySpark, Django, ReactJS, and PostgreSQL
  • Ran unit, integration, and performance tests with Pytest and Jest
  • Set up CI/CD pipelines with GitLab/OVH; optimized Docker images
  • Handled data migration using SSIS and Talend Open Studio
PySparkDjangoReactJSGitLabDockerTalendSSIS
Apprenticeships
NOV 2021 — JAN 2022
Régie Eau d'Azur · Nice
Apprenticeship

Data Analyst Apprentice

  • Collaborated with the app manager to collect and integrate raw data from external applications
  • Designed data migration scripts using Microsoft BI & Visual Studio
  • Conducted technology watch on Microsoft BI and Big Data (Hadoop, Spark, Kafka)
  • Participated in meetings with sanitation and IT teams
Microsoft BISQL ServerVisual Studio
OCT 2019 — JUN 2021
Agile SAS · Hérouville Saint-Clair
Apprenticeship

Fullstack Web & Mobile Developer

  • Designed and built the Dokki web and mobile application from scratch
  • Set up CI/CD pipeline using GitLab, Google Cloud Run, TestFlight, NPM, and Firebase
  • Applied TDD with Jest and Enzyme; maintained and enhanced the codebase
  • Conducted technology watch on ReactJS and React Native
React NativeReactJSGitLabFirebaseGoogle CloudJest
Internships
JUN — AUG 2019
Basan Group Madagascar · Antananarivo
Internship

Business Intelligence Intern

  • Assisted in designing Data Warehouse migration architecture using Microsoft BI
  • Documented legacy DW and production databases (SQL Server 2012 → 2016)
  • Implemented and scheduled incremental data loading with SSIS
Microsoft BISQL ServerSSIS
DEC 2017 — MAR 2018
STAR Group Madagascar · Antananarivo
Internship

Development Intern

  • Built an Oracle DB Tablespace audit monitoring app with Spring Boot & AngularJS
  • Developed and deployed an HR training management intranet with Spring Boot & jQuery
Spring BootAngularJSjQueryOracle DB
NOV 2016 — FEB 2017
Caisse d'Épargne de Madagascar · Antananarivo
Internship

Development Intern

  • Designed, developed, and deployed an EDMS for managing operational accounting documents
  • Implemented with Symfony Framework, jQuery, Bootstrap, and Oracle Database
SymfonyjQueryBootstrapOracle DB
03

Education

2019 — 2021
Master's in Web Engineering, Connected Objects & Complex Systems
Université Le Havre Normandie
Large-scale data handling & processingWeb, mobile & distributed IoT engineeringAlgorithmic techniques & AI methods
2014 — 2019
Licence & Master 1 · Software Engineering & Databases
École Nationale d'Informatique Madagascar
Software engineering techniquesProgramming languages & toolsInformation system design & modeling
2021 — 2022
Information Systems Manager · Data Analyst Specialization
CESI École Supérieure de l'Alternance
Big Data monitoring: Hadoop, Spark, KafkaDigital transformation & business expertise
May – Jul 2023
DP-203 · Azure Data Engineer Associate
Acloudguru
Azure Data Factory · Synapse · DatabricksData storage & security designProcessing workflow optimization
Mar 2023
Data Engineering Bootcamp
DataCamp
Apache Spark · PySpark · Airflow DAGPython data pipelinesHands-on data engineering projects
04

Awards & Recognition

01
🏆
WSA Hackathon 2019
First Prize Winner at the World Summit Awards Hackathon — a global competition recognizing outstanding digital innovations.
02
📱
E-Governance Mobile App
First Prize at the Digital Careers Forum, University of Fianarantsoa — Mobile App Development for E-Governance, 2019.
03
🌐
Webcup Madagascar 2019
Participant in Webcup Madagascar, one of the leading web development competitions in the Indian Ocean region.
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