Freelancer profile translated to English.

Description

Data Engineer with 9 years of experience on critical production data pipelines, with deep expertise in industrial ETL architectures (Informatica PowerCenter, IICS).

Snowflake Certified, dbt practitioner — I undertake two types of missions: migration projects from legacy ETL environments to Snowflake/dbt, bridging the gap between existing and target systems; and the evolution and industrialization of cloud platforms already in production.

Certifications: credential.net/profile/malekabbar25319/wallet

GitHub: github.com/Malek-DataEng/

LinkedIn: linkedin.com/in/malek-a-964758201/

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Paris (up to 50km)

PROJET PORTFOLIO
Data Engineer — Personnel
March 2026 - March 2026
Airbnb Modern Data Pipeline | AWS S3 · Snowflake · dbt · GitHub Actions · Python 2026 — Personnel

End-to-end cloud-native ELT pipeline demonstrating modern Data Engineering practices
• Event-driven ingestion: S3 Event Notification via SQS → Snowpipe (zero external orchestrator)
• Security: IAM Roles + Snowflake Storage Integration + Trust Policy
• Change Data Capture via Snowflake Streams + orchestration by Control Table (RUN_DBT_FLAG)
• Bronze / Silver / Gold modeling + SCD Type 2 Snapshots for historization
• Full CI/CD via GitHub Actions: dbt run, test, docs generate + GitHub Pages publication
• Auto-generated documentation: lineage and data catalog accessible online

Repo: github.com/Malek-DataEng/Airbnb_proj_Stach_AWS_Snowflake_DBT |
dbt docs: malek-dataeng.github.io/Airbnb_proj_Stach_AWS_Snowflake_DBT/
Snowflake Python DBT Github Actions
Freelance | AXA
Data Engineer
June 2022 - December 2025 (3 years and 6 months)
Anti-money laundering decision-making platform — Norkom — Agile Kanban Environment

• Development and optimization of complex ETL flows under Informatica PowerCenter
• Automation of data processing via Unix / shell scripting (Ksh)
• Implementation of quality controls, anomaly and production incident management
• Transverse collaboration: Test, BA, PO, and Ops teams for advanced analytical solutions
• Writing of application documentation and delivery documents
• Participation in Chapter dev sessions and code reviews

Stack: Informatica PowerCenter · Oracle · TWS · Ksh · SQL
Informatica PowerCenter SQL KSH
CDI | Natixis Asset Management (Ostrum)
Data Engineer
April 2019 - May 2022 (3 years and 1 month)
Transverse MOE BI team — Middle Office, Accounting, Sales Department

• Design and evolution of Informatica PowerCenter ETL flows (14 applications in production)
• Production monitoring: diagnostics, correction, collaboration with the Porto team (deployment, production)
• Creation and modification of reports and subscriptions under SSRS
• Development and evolution of SSAS Cubes (dimensions, measures, hierarchies)
• Creation of Power BI reports and dashboards

Stack: Informatica PowerCenter · Power BI · SSRS · SSAS · Oracle · SQL Server · Sybase · Control-M · Ksh · SQL
SQL Informatica PowerCenter Microsoft Power BI KSH SQL Server Reporting Services (SSRS)