Zakaria KERMOUCHE

Data Engineer @ Djezzy OTA

Brussels, Belgium

Data Engineer with proven experience in the telecommunications industry, specializing in data analysis, data warehousing, and process automation. Skilled in tools and technologies such as SQL, PL/SQL, PowerShell, and Apache Hadoop. Adept at designing and optimizing ETL workflows, automating operational tasks, and generating data-driven insights that enhance network performance, customer experience, and business decision-making. Passionate about solving complex problems and streamlining data processes in fast-paced, tech-enabled environments. Open to opportunities in telecommunications, tech, retail, and industrial sectors; not seeking roles in banking or finance.

Top roles

Developer / Programmer< 2 years

Big Data Engineer< 2 years

Back-end

SQL

PL1

PowerShell

ETL Datawarehouse

ETL / Datawarehouse

Systems

Apache HTTP Server

Language

Fluent French

French

Fluent

English

Good

Work experience

Since 2020

Data Engineer @ Djezzy OTA

01 August 2022 - 31 July 2025

Managed and optimized the Teradata Data Warehouse to support business reporting and analytics. Automated recurring tasks using PowerShell, SQL, and PL/SQL.

ML and Web Developer – Internship @ National Gendarmerie Research and Development Centre

01 September 2021 - 30 June 2022

Cleaned, analyzed, and visualized 1 million data points to identify key trends. Developed a predictive model using XGBoost.

APP DEVELOPER @ Freelance

01 May 2020 - 31 October 2020

Developed a user-friendly mobile application for booking beauty salon appointments.

Project Developer @ École Nationale Supérieure en Informatique

01 March 2020 - 30 June 2020

Developed the mobile frontend with Flutter and backend API with Django for a health alert and crisis management system.

Education experience

Since 2020

Google Data Analytics Certificate @ Coursera

01 December 2023 - 30 June 2024

Professional certification in data analytics.

Computer Science @ École Nationale Supérieure en Informatique

12 September 2021 - 30 June 2022

Master's degree in Computer Science.

Information and Communication Technologies (ICTs) @ École Nationale Supérieure en Informatique

01 September 2017 - 30 June 2022

Ingénieur d'État en Informatique, focused on Software and applications development and analysis, with a thesis on road accident analysis and prediction.

Flutter Development Bootcamp with Dart @ udemy

01 April 2020 - 31 May 2020

Completed a bootcamp focused on mobile app development using Flutter.

Zakaria KERMOUCHE

Top roles

Back-end

ETL Datawarehouse

Systems

Welcome back

Welcome on board!