Abderrahmane SAADI
Senior Data Engineer | Spark, Big Data
Salaire / Taux journalier
92400 Courbevoie, France
Freelance, ouvert au CDI
Expertises
Langues
À propos
Introduction
Data Engineer with 10+ years building high-volume ETL pipelines and optimizing big data infrastructures. Currently managing petabyte-scale Lakehouse architecture at Bouygues Telecom, specializing in Spark/PySpark optimization, Kafka streaming, and production data recovery. Expertise in designing scalable data solutions from architecture to deployment with proven results in team coaching and incident resolution.
Expérience de travail
Data Engineer
Bouygues TelecomFreelance
oct. 2020 - Présent
6 ans 1 mois
• Design / Dev of high-volume ETL pipelines • Resource optimization / JVM tuning on spark jobs • Migration of old components with implementation of double run and non-regression tests • Industrialization / Scaling of KPIs developed by data scientists from Jupyter to Airflow / PySpark • Work closely with technical architects, DevOps and business teams • Deployment / Operation / Maintenance of applications in production • Handling production incidents / Data loss recovery • Coaching of junior Data Engineers Environment: Medallion/Lakehouse Architecture, Cluster XX Petabyte, Deltalake, Spark/PySpark, Jupyter, Java, Python, Logstash, Filebeat, Kafka, Flink, Camel HA, Nifi, Hadoop, Hdfs, Parquet, S3-Minio, Kubernetes, Clickhouse, Timescale, BigTable, Gitlab CI, Kubernetes, Grafana, Rancher, Airflow, Elasticsearch, Spark UI, Jupyter, Redash, Trino
Senior Developer Java Spring / Big Data
Datanumia Groupe EDFFreelance
sept. 2015 - oct. 2020
5 ans 2 mois
92400 Courbevoie, France
Design and development on the e.quilibre portal which monitors energy consumption for EDF customers Environment : Scrum, Kanban, Java, Scala, Spring Boot, Camel, Spark, Kafka, DataStax DSE, Cassandra, MySQL, JPA, REST, Git, Jenkins, Sonar, OpenShift
Confirmed Developer Java Spring
Egencia
janv. 2012 - août 2015
3 ans 8 mois
La Défense
Design and development on various Egencia projects to optimize business travel Environment : Scrum, SOA, REST, Java, Spring Core/MVC/Security, OAuth2, Cucumber, CXF, Jooq, MangoDB, Javascript, Handlebars, RequireJS, PubSubJS, Backbone.js, Bootstrap, Jasmine, Selenium, Jenkins, Sonar, Maven, Nexus, Perforce, Git
Confirmed Software Engineer Java/JEE
Probance
juil. 2010 - déc. 2011
1 an 6 mois
Région de Paris , France
Developing and optimizing various solutions to organize, produce and manage direct marketing campaigns for e-commerce companies Environment : Java, JEE, GWT, GXT, EMF, Spring, Hibernate, MySQL, ETL Talend
Software Engineer Java/JEE
Office National des Forêts
janv. 2010 - juil. 2010
7 mois
Design and development of a planning module of human and material resources Environment : Java, JEE, XML-RPC, Dozer, SWT, JFace, Hibernate, GlassFish, Oracle DB
Software Engineer Java/JEE
McKesson
mars 2009 - oct. 2009
8 mois
86000 Poitiers, France
Design and development of an evaluation module in a hospital information system management portal Environment : Java, JEE, JBoss Portal, Oracle 10g, PL/SQL, Procédures Stockées, GWT, GXT
Software Engineer Java
IFP Energies nouvelles
nov. 2008 - mars 2009
5 mois
Région de Poitiers, France
• Development on an application that can analyze geological sites • Environment : Java, Eclipse RCP
Formation
Ecole Nationale Supérieure de Mécanique et d'Aérotechnique
Master's degree in computer sciences, Databases and web technologies
2008 - 2009
2 ans
Université de Poitiers
Master 2 en Informatique , Base de données et technologies web
2008 - 2009
2 ans
Université des Sciences et de la Technologie 'Houari Boumediène'
Master's degree in computer sciences, Computer Software Engineering
2003 - 2008
6 ans