Chaima Ennar
Senior Big Data Engineer | GCP & ETL
Salaire / Taux journalier
Paris, France
Freelance
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Introduction
Big Data Engineer with 5+ years of experience in cloud data platforms and scalable ETL pipelines. Proven success in migrating enterprise systems to Google Cloud Platform (GCP) and implementing robust, automated data workflows. Specialized in Spark, BigQuery, and cloud infrastructure, with a strong focus on transforming complex data into actionable business insights.
Expérience de travail
Big Data Engineer
Carrefour
nov. 2023 - Présent
3 ans
91300 Massy, France
- Migration to Dataproc Serverless - Migration of Jobs from Cassandra to GCP Bigtable - Development of processes designed for stock management - Development of processes for reading, transforming, and writing data to BigQuery - Bug fixing
Big Data Engineer
Zenika
mars 2019 - Présent
7 ans 8 mois
Région de Lyon, France
Skills: Extract, Transform, Load (ETL) · Google Cloud Platform (GCP) · Dataproc · JIRA · Amazon Web Services · Terraform · Confluence
Big Data Developer
Enedis
déc. 2021 - juil. 2023
1 an 8 mois
Lyon, France
- Set up data cleaning processes. - Perform transformations on the data. - Make data available in Hive tables. - Set up automated tests.
Developer
oppido
mars 2019 - mars 2020
1 an 1 mois
Région de Lyon, France
- Implementation of a monitoring tool to track application metrics with Prometheus and Grafana. - Performing performance tests with Jmeter and analyzing results - Infrastructure tasks on AWS - Deployment of new application versions on environments Java, PostgreSQL, Prometheus, Grafana, Jmeter, AWS
Graduate Student Intern
Zenika
mars 2018 - oct. 2018
8 mois
Région de Lyon, France
Development of an application to analyse the impact of websites graphical interface personalization on the user experience - Development of a web application - Development of a feedback module - Data visualization and analysis - Rates Prediction Keywords: ReactJs, SpringBoot, Kotlin, Spring Data, Docker, Kubernetes, Google Cloud Platform, Python (SicketLearn, Pandas, Numpy, etc)
Internship
SPIKE-X
juin 2017 - août 2017
3 mois
Tunisie
Development of a school management web application, designed to organize the administrative services such as enrollments, classrooms, subjects, classes, payment services and other management features. It also offers to its users ( Parents , Professors, Students) the opportunity to follow the different activities of the school and to keep in touch with the administration thanks to the messaging service. key words: Spring Boot, Spring Security, AngularJs, Hibernate, Maven, MySQL, Bootstrap
Software engineering intern
LINAGORA
juil. 2016 - août 2016
2 mois
Ariana, Tunisie
Development of a social-political application using the MEAN stack technology key words: AngularJs, NodeJS, ExpressJs, Mongoose, Bootstrap
Formation
National Engineering School of Sousse
Distributed systems engineer
2015 - 2018
3 ans 1 mois
Preparatory Institute for Engineering Studies of Tunis
Mathematics and Physics major
2013 - 2015
2 ans 1 mois
Ariana Pioneer School
Baccalaureate
2009 - 2013
4 ans 1 mois