Freelancer profile translated to English.

Description

Java developer engineer for 7 years, with an appetite and passion for the world of big data, I have worked on several projects in the big data world with a mastery of Scala and Java languages with knowledge of the different technologies in the big data world.

Languages

English
Native or bilingual

Workplace preferences

Can work on-site

Paris (up to 50km), Lyon (up to 10km)

SNCF
Senior Data Engineer
TRANSPORTATION
May 2022 - Today (4 years and 1 month)
Paris, France
Design and implementation of the IS and reporting for the TGV entity, managing a large amount of input data and providing assistance to business users.
• Data retrieval from multiple different sources on the delta

• Analyze and organize raw data
• Load data from/to Synapse/parquet/delta.
• Filter, Aggregate data, and generate reports.
• Audit user actions.
• Combine raw information from different sources
• Explore ways to improve data quality and reliability and release.
• Improve the performance of Spark jobs to run on Terabytes of data.
• Data migration to the new Datacenter
• Assistance/Support to TGV business users.
• Collaborate with data engineers from the factory.
Spark Scala Databricks Cloud Azure
Natixis
Data Engineer
BANKING AND INSURANCE
August 2019 - May 2022 (2 years and 10 months)
Paris, France
Mission: Implementation of inventory reporting for margin calls and evolutionary maintenance for US financing and market regulator reporting:
• Data retrieval from multiple different sources (Hive/CFT Tables)
• Analyze and organize raw data
• Load data from/to hive/excel.
• Combine raw information from different sources
• Explore ways to improve data quality and reliability
• Explore ways to improve Spark job performance.
• Send data to CFT.
• Assistance/Support to US business users.
• Migration to new Golden Source Gaspard to centralize Datalake sources.
• Collaborate with data engineers from the datalake team.

• Data retrieval from multiple different Golden sources (Hive/CFT Tables) Evaluate business needs and objectives.

• Design needs and develop Jira tickets.
• Store data in Hive.
• Optimize code following best practices.
• Filter, Aggregate data, and generate reports.
• Improve Spark job performance.
• Implement and configure CTM jobs.
• Deployment and release using XlDeploy/xlRelease.
Spark Scala CDP
Sofrecom
Java JEE Design and Development Engineer
TRANSPORTATION
November 2014 - December 2016 (2 years and 2 months)
Casablanca, Morocco
Mission: Design/Development and implementation of an internal CTM system and ticketing management solution
• Analysis of needs and issues raised with the client.
• Development of sales and administration modules.
• Bug fixes.