About

Learn more about me

Data scientist & Telecommunication Engineer

Data Scientist and Telecommunication Engineer with a strong background in networking, machine learning, and IT systems. Passionate about cybersecurity, data analysis, and innovative technologies. Motivated to contribute to impactful and technology-driven projects.

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My Projects

Sentiment Analysis on Tweets: NLP project classifying tweets as positive, negative, or neutral using machine learning, text mining, and data visualization.

Obesity Risk Factor Analysis: Explored datasets, identified key features, and built classification models to understand obesity risk factors.

Nextcloud Server Project: Installed and configured a Nextcloud server on Linux virtual machines, including client setup.

IP Multimedia Subsystem (IMS): Deployed OpenIMSCore on Linux VMs to manage multimedia apps: calls, messaging, IPTV.

Vulnerability Detection in Python Packages: Used machine learning to detect security vulnerabilities in containerized Python packages.

Speech to Text App: Android app in Java that converts continuous speech to text, ideal for taking long notes.

Skills

IT / Networking / Cloud

Networking (TCP/IP) 85%
Linux 75%
IT Systems / Cloud Administration 70%
HTML 100%
CSS 90%

Programming & Data Science

Python 80%
R 80%
Java 70%
SQL 60%
Machine Learning 80%
Matlab 65%
Latex 95%

Other Skills

Astronomy 60%

Languages

French Fluent
English Advanced
Malagasy Native

Interests

Cybersecurity

Computer Networks

Telecommunications

Data Science

Machine Learning

IoT Systems

Cloud Computing

Technology Innovation

IT Systems

Astronomy

Travel

Resume

Check My Resume

Summary

Gabryella Ratianarivo

Aspiring IT professional with a background in Telecommunications and Data Science, motivated to build a career in IT, network computing, cybersecurity, or data science, and contribute to innovative, technology-driven projects. Strong skills in network management, database administration, IT support, and machine learning. Participant in the Development in Africa with Radio Astronomy (DARA) Training Programme, gaining additional expertise in advanced research and applied data science.

  • gabryellaratianarivo7@gmail.com
  • Antanimena, Antananarivo, Madagascar

Education

Structured Master’s Degree in Mathematical Sciences (Major: Data Science)

2023 – 2024

African Institute for Mathematical Sciences (AIMS), Cameroon

Project: Detecting Vulnerabilities in Containerized Python Packages | Python, Docker, Machine Learning

  • Performed dataset preprocessing, feature engineering, and model training for machine learning-based vulnerability detection.
  • Developed and evaluated machine learning models to detect security vulnerabilities in containerized Python packages.

Master’s Degree in Telecommunication Engineering

2020 – 2022

Ecole Supérieure Polytechnique d’Antananarivo, Madagascar

Bachelor’s Degree in Telecommunication Engineering

2016 – 2020

Ecole Supérieure Polytechnique d’Antananarivo, Madagascar

Project: Deployment of IP Multimedia Subsystem (IMS) | Linux, Server, Client, Virtual Machine

  • Installed Linux systems and prerequisites on virtual machines.
  • Implemented OpenIMSCore to manage multimedia applications including calls, messaging, and IPTV.

Certifications & Trainings

Data & Artificial Intelligence Training

Africa TechUp Tour

2025 – Present | Online

Radio Astronomy Basic Training Programme

Development in Africa with Radio Astronomy (DARA)

2025 – 2026 | Madagascar, Kenya, South Africa

Certificate of Achievement in Spectrum Management

ITU and AFRALTI

06/2024 | Online

Global Youth Initiative Certificate

John Maxwell Team

10/2022 | Antananarivo, Madagascar

Huawei HCIA-5G Certification

Huawei Company

09/2021 | Antananarivo, Madagascar

Huawei Seeds for the Future Program

Huawei Company

11/2021 | Antananarivo, Madagascar

Professional Experience

Reviewer – ACVSS 2025

March – April 2025

African Computer Vision Summer School

  • Reviewed scientific papers for ACVSS 2025 via OpenReview.
  • Contributed to academic peer-review process.

Network Administrator

June 2023 – July 2023

Société Générale Madagasikara, Antananarivo

  • Ensured high availability of the entire computer network.
  • Ensured server availability.

I.T Intern

August 2022 – June 2023

Airtel Madagascar, Antananarivo

  • Database management.
  • SIM card configuration.
  • I.T support for company applications.

Network Administrator Intern

January 2020 – April 2020

Private University, Antananarivo

  • Administration tasks for Nextcloud server and clients.
  • Network management.

I.T Project Intern

December 2019 – March 2020

Douane Company, Antananarivo

  • Interconnection of network between two offices 200m apart.
  • Deployment of Local Area Network (LAN).

Volunteering

United Nations Volunteers | Ministry of Youth and Sports

2025 – 2026
  • Promoted human rights and contributed to the achievement of the United Nations Sustainable Development Goals.
  • Supported youth-focused initiatives through digital collaboration and content-related activities.

Data Entry Volunteer | Municipal Council, Limbe, Cameroon

2023 – 2024
  • Performed accurate and efficient data entry to support administrative functions.
  • Collaborated with staff to streamline data management and maintain data confidentiality.

Club Vintsy Ravinala Miray (CVRM) | Member

2019 – 2022
  • Engaged in environmental and community volunteer projects to support and mentor youth.

ZARA HAY Association | Communication Commission

2019
  • Shared knowledge and taught computer skills, including computer initiation, basic programming, and maintenance.

Contact

Contact Me

My Address

Antanimena, Antananarivo, Madagascar

LinkedIn Profile

Gabryella Ratianarivo

Email Me

gabryellaratianarivo7@gmail.com