Freelancer profile translated to English.
Back to original languageAbout Saif
Passionate senior consultant specializing in data optimization for businesses. With in-depth expertise in designing and implementing data solutions on the AWS cloud, I can transform your business processes through modern data platforms.
With a sharp analytical mind and a constant quest for learning, I have a particular appetite for new challenges and solving complex problems.
French
Native or bilingual
English
Fluent
Spanish
Conversational
Remote only
Primarily works remotely
Experience
- Air liquideAWS Tech LeadENERGY AND UTILITIESOctober 2023 - Today (2 years and 8 months)Paris, France
- Management of the Build and RUN/Production of the WAVE product used to feed several CDMs with data collected from various sources, stored on S3, analyzed with Athena, transformed with EMR, and exposed on Power BI.
- Migration of OPERA ECC -> SAP S4 data sources: Creation of the new data ingestion pipeline, adjustment of transformations in PySpark and SparkSQL, and reorganization of the orchestration pipeline on Airflow.
- Migration of the XDP -> UDP Data Platform: Creation of the new data ingestion pipeline with DynamoDB & Lambda, migration of transformations in PySpark and SparkSQL to DBT, and reorganization of CI/CD with Docker & Gitlab-CI.
- Interaction with Business PMs and Product Owners to reformulate business rules and define functional scopes of business objects to divide the WAVE product into three parts: Finance, Controlling & Procurement, Sales, and Supply.
- Monitoring of data pipelines with Grafana & Management of L3 technical support and coordination with L2 teams (Offshore)
- Backlog Management & Management of a team of 4 Data Engineers (Documentation, Support, Code Review & Release Management)
- BPI FranceAWS Lead Data EngineerApril 2022 - September 2023 (1 year and 6 months)Maisons-Alfort, France
- Construction of the Core Banking System data mart to feed all transversal data marts of BPI France (finance, climate, market...) with data collected from various sources, stored on S3, analyzed with Athena, transformed with Glue, and exposed via API Gateway.
- Development of two data transformation pipelines: The first in BATCH mode with S3, Glue ETL & Spark, and the second in STREAMING mode with Kafka, Glue Streaming & Hudi.
- Development of the data integration pipeline with Jenkins, Artifactory & SonarQube and the data deployment pipeline with Terraform, GitLab & Atlantis with automation and continuous improvement of the process.
- Orchestration and Scheduling of data transformation jobs with Apache Airflow & AWS Step Function.
- Collaboration with the Product Owner to simplify complex specifications and business rules to optimize existing processes, reduce their costs, and especially facilitate the integration and implementation of these rules by other Data Engineers.
- Backup of the Tech Lead and Onboarding of new team resources & Writing technical documentation.
- Lefebvre DallozAWS Data EngineerApril 2021 - March 2022 (11 months)Montrouge, France
- Implementation of a decision-making solution for professional training using data stored on S3, analyzed with Athena, transformed with Glue, managed in Redshift, and exposed via Qlik Sense.
- Development and testing of Serverless Lambda calculation units in PySpark for data ingestion into the Data Lake.
- Development of the data transformation pipeline in Batch mode with S3, Glue & Spark and Glue & Spark SQL.
- Management of deployment and integration pipelines with Git, BitBucket, and Terraform (Infrastructure as Code)
- Orchestration and Scheduling of data transformation jobs with StepFunction.
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Education
- Diplôme National d'Ingénieur, Technologies de l'informationEcole Supérieure Privée d'Ingénierie et de Technologies - ESPRIT2019Diplôme National d'Ingénieur, Technologies de l'information
Certifications
- AWS Solutions ArchitectAmazon Web Services2022