Freelancer profile translated to English.
Back to original languageAbout Merouane
Merouane MAOUCHE, confirmed BigData consultant with 6 years of experience during which I have worked extensively with the essential technologies for this field, such as the ELK stack, the Hadoop platform, Python and Java languages, the Spark Framework, SQL, HQL, relational databases like MySQL and NoSQL databases like HBase. I have had a rich experience, and it continues to be so, thanks to the different sectors I have been able to work with and for whom I have brought my expertise and also from whom I have learned concepts.
I am ambitious, active, rigorous, and curious, and above all very eager for new adventures and missions.
My professional regards
Merouane MAOUCHE
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km)
Experience
- ArcelorMittalData EngineerRAW MATERIALS INDUSTRYNovember 2023 - Today (2 years and 7 months)Dunkerque, FranceThis project focuses on the industrialization of electricity for ArcelorMittal's clients (such as vehicle manufacturers: BMW, RENAULT, and many others...), and I have the privilege of initiating it and taking significant responsibility.
- Agirc-ArrcoBig Data ConsultantPUBLIC SECTORApril 2023 - August 2023 (4 months)Role: Big Data ConsultantProject: Data Migration (Teradata => Hadoop)Context:For performance reasons, Agirc Arrco decided to migrate its data from Teradata to Hadoop, which is more performant on several aspects (license cost vs. TD machine cost, response time), in order to better meet the expectations of end-users.Tasks performed:• Familiarization with the technical and functional environment,• Participation in various Agile ceremonies,• Development of Python Jobs (automation) for parsing files,• Development of Spark SQL queries on Hadoop (Zeppelin),• Optimization of existing SQL queries on Teradata,• Adaptation of existing SQL queries to Spark SQL,• Adaptation of parameterized Shell routines for automatic job launching,• Populating hubs from Datastage,• Data analysis and optimization of adapted queries on Hadoop (Zeppelin),• Inspection of PostgreSQL tables on Squirrel,• Creation of a data copy on PostgreSQL from Cloudera,• Responding to the needs of collaborators (BI team, Reporting, Hadoop admin),• Populating DataMarts, DataWarehouses,• Non-regression testing,• Bug tracking and fixing.Technical Environment:Python, Spark SQL, PySpark, Apache Spark, PostgreSQL, Teradata, Datastage (Designer, Monitor, Director), Cloudera, Impala, Hue, Zeppelin, Livy, Shell, Git, Notepad++, VSCode, PuTTY, WinSCP., Squirrel.+33769990140
- Société GénéraleBig Data ConsultantBANKING AND INSURANCEJuly 2019 - October 2022 (3 years and 3 months)Role: Big Data ConsultantProject: Fraud DetectionContext:As part of maintaining the security of banking transactions, SG has implemented a technical architecture to increase its value in the financial market by offering more security to its clients through streaming alerts.Tasks performed:• Familiarization with the technical and functional environment,• Participation in various Agile ceremonies,• Development of Java Jobs for data serialization,• Development of Sqoop Jobs with Java,• Creation and configuration of Kafka topics using Java,• Data ingestion into HDFS,• Implementation of query layers under Hive,• Development of Spark Jobs in Java,• Implementation of repetitive routines in Shell,• Data indexing on Elasticsearch with Spark ES,• Execution of unit and integration tests,• Corrective and evolutionary maintenance.Technical Environment:Java, Spark, SQL, Sqoop, Kafka, HDFS, Hive, ELK, Eclipse, Jira, Windows, Microsoft Suite, Shell, MySQL, HBase, Git.+33769990140
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Education
- Mathematics DegreeSorbonne Sciences (formerly UPMC).2016Licence Mathématiques
- Computer Science Master's degree in Data, Learning, KnowledgeAt Sorbonne Sciences.2018Master Informatique parcours Données, Apprentissage, Connaissances