Othman Malouane

• Developed a custom Iceberg v2 data reader to migrate 1000+ tables from Cloudera HMS (CDP) to Databricks Unity Catalog, bypassing databricks native iceberg reader limitations by parsing Iceberg metadata directly to handle ORC/Parquet formats with position deletes and partition-level data sync. → Client : Geodis • Support clients in data platform migration by assessing existing infrastructure and defining cloud data platforms/solutions best suited to their business requirements. • Provide technical oversight for solution design including benchmarking cloud data platforms and creating a high level target architectures for migration projects. • Deliver cost estimation through TCO analysis, build/run cost estimations, and infrastructure capacity. • Defining migration plan for platform transition. → Clients : EdenAuto, Bontaz

Data Engineering Consultant – Engaged with clients across diverse industries : • Public Transportation: Integrated the data of the new ticketing system into the client’s data warehouse, resolved legacy bugs, refactored and optimized ELT pipelines, and provided run-time support to maintain operational readiness (Oracle PL/SQL, SQL Loader, Bash). • Insurance: Designed and deployed ELT pipelines for transactional data sharing, incorporating automation, data-validation checks, and error-alerting mechanisms (Snowflake, AWS S3, Matillion, Python). • Tourism: Building ETL pipelines to feed the Data Lake, optimizing existing ELT pipelines and audited serverless orchestration functions (S3, Lambda functions, Step functions, Redshift, PLSQL, Talend DI, ActiveMQ, SQS).

Responsible for developing and maintaining SOAP-based web services to enable integration and data exchange between client applications and partners' applications. • Development of SOAP web services for data exposure and integration. • Corrective and evolutionary maintenance of existing web services. • Code review and ensuring the quality of team deliverables. • Migration of version control tool from SVN to Git. • Providing technical support for the team. • Mentoring the new team members on Talend ESB and project technical aspects. → Client : CapsAuto

Designed and developed analytical solutions for monitoring client partners' contact centers and internal entities (sales, production, etc.) : • Developing and maintaining ETL pipelines for logs extraction. • Designing and developing 3-Tier Architecture-based ETL Qlik Sense applications. • Constructing dashboards with data access management. • Providing technical support to team members. • Conducting code reviews and optimizing Qlik Sense applications. • Maintaining and developing deployment scripts. → Client : Odigo

Design and implementation of a monitoring solution for the net banking income of all regions and business centers of the client's BDDF entity (Retail Banking in France). → Client : BNP Paribas