Freelancer profile translated to English.
Back to original languageAbout Wassef
Data Engineer with 5 years of experience in building big data pipelines, cloud orchestration (regulated GCP), and integrating AI solutions for Front Office businesses. At Natixis Investment Managers, I led critical projects for cloud migration, regulatory automation, PRIIPs/KID extraction, and internal LLM deployment, while structuring sensitive data infrastructure and governance in a highly secure environment.
Certified Google Cloud Professional Data Engineer and Terraform Associate, I combine solid technical skills (Airflow, Spark, CI/CD, Informatica) with a deep understanding of product, CRM, and banking compliance issues.
I am now looking to support new clients on freelance missions, with a clear proposition: consulting, architecture, and end-to-end delivery for your complex data challenges.
My expertise:
- Cloud: GCP (BigQuery, Vertex AI, Cloud SQL, Cloud Composer, Dataproc, Cloud Run, Cloud Functions, Cloud Storage)
- Languages: Python, SQL, Bash
- Data Processing: Airflow, PySpark, Informatica Cloud, Dbt
- DevOps: Terraform, CI/CD, Jenkins, XL-Deploy, XL-Release, Github, Docker
French
Native or bilingual
English
Fluent
Arabic
Native or bilingual
Dutch
Basic
Can work on-site
Paris (up to 50km)
Experience
- Natixis Investment Managers InternationalData EngineerPRIVATE EQUITYJanuary 2022 - December 2025 (3 years and 11 months)Paris, France• Implemented data processing pipelines from Salesforce CRM and Morningstar data.• Used Informatica ETL to retrieve data from external sources to Cloud SQL and send data to generate email notifications.• Created an ephemeral Spark cluster on Dataproc using Airflow to execute a monthly indicator calculation.• Deployed projects using the CI/CD pipeline.• Migrated applications to the regulated GCP cloud within the Natixis internal network.• Implemented LLM and RAG for document search. Used Vertex AI for developments and embedding models.• Project for automated translation for the Natixis Inter Epargne website using internal LLMs. Parallelized API calls with asyncio and aiohttp to optimize processing time.• Adapted and API-enabled an external application to extract data from information documents into internal tools.
- DATAFABData EngineerDecember 2021 - January 2026 (4 years and 1 month)Internal projects:- Implemented Grafana dashboards using cAdvisor to monitor infrastructure usage. This was implemented using Docker.
- KardData ScientistBANKING AND INSURANCEMay 2021 - October 2021 (5 months)Paris, France- Built a customer classification model.- Visualized customer behavior using Metabase.- Integrated scoring and segmentation into the PostgreSQL database using supervised models for churn detection (Logistic Regression, XGBoost).- Bank fraud detection by industrializing and automating business algorithms on PostgreSQL.Keywords: PostgreSQL, Python, R, Metabase, Logistic Regression, Random Forest, XGBoost.
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Education
- Engineering Degree.National School of Statistics and Information Analysis of Rennes2021Double Diplôme d'Ingénieur entre ENSAI Rennes et ESSAI Tunis.
- National Engineering Degree.Higher School of Statistics and Information Analysis of Tunis2021Diplôme National de l'Ingénieur.
Certifications
- Terraform Associate (003)Hashicorp2024
- Professional Data Engineer CertificationGoogle Cloud2023