Freelancer profile translated to English.
Back to original languageAbout Karim
Data & AI / Cloud Engineer — 7x Microsoft Certified
Looking for a profile capable of building your data platforms and industrializing your AI workflows from A to Z, with truly validated Microsoft expertise? You've come to the right place.
For nearly 5 years, I've been assisting organizations like InVivo, OPCO 2i, and Orange across the entire data value chain: from Lakehouse architecture (Bronze/Silver/Gold medallion) to the production of GenAI pipelines and workflows that are truly adopted by users.
What I bring you are concrete results:
- -60% on batch processing times thanks to a Databricks / PySpark platform built from scratch
- -80% on processes refactored in Python / SQL
- up to -85% time on an automated business task via Azure OpenAI
- ~€15-20k/year saved thanks to a Tableau → Power BI migration
Specifically, I work on: robust ETL/ELT pipelines (PySpark, DBT, SQL), integrating LLMs into your data flows, modeling analytical layers (automated quality tests, anomaly detection), and decision-oriented Power BI dashboards. All with a real engineering requirement: CI/CD, governance, and documentation.
On the cloud side, I am comfortable with the Microsoft Azure ecosystem (Databricks, Synapse, Data Factory, Fabric) as well as GCP (BigQuery, Cloud Storage).
Available immediately for your freelance missions.
Have a data/AI project to launch? Contact me.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 20km)
Experience
- OPCO 2iData Engineer | Data AnalystCIVIL ENGINEERINGMarch 2025 - Today (1 year and 3 months)Paris, France
- Led the migration of 15+ dashboards from Tableau to Power BI for 3 business teams, reducing report generation time by 40% and eliminating a Tableau license (~€15-20k/year saved)
- Ensured data source reliability: automated updates, implemented quality controls, and provided exhaustive dataset documentation
- Supported and trained business teams on Power BI, accelerating the adoption of a data culture within the organization
- Actively contributed to the migration to Microsoft Fabric, including the redesign of about twenty critical data flows.
- InVivoData Engineer | AI EngineerAGRICULTUREJanuary 2024 - February 2025 (1 year and 1 month)Paris, France
- Architected and developed from scratch a data platform in a medallion architecture (Bronze/Silver/Gold) on Databricks + PySpark covering about twenty Gold tables - reducing batch processing times by 60%
- Industrialized the transformation layer via DBT: layered modeling, automated tests, and anomaly detection - eliminating recurring quality incidents
- Integrated heterogeneous sources (relational databases, APIs, flat files) into a unified pipeline, making data usable by business teams in near real-time
- Delivered 5 operational KPI-focused Power BI dashboards with complete documentation, adopted by 2 teams for operational management
- Designed and industrialized an AI automation workflow (LLM + Azure OpenAI) on a recurring business task - up to 85% time saved on the process, directly benefiting operational teams.
- CATELData Engineer | Data ArchitectTRANSPORTATIONJuly 2023 - September 2023 (2 months)
- Developed about ten ETL pipelines on GCP with integrated quality controls, ensuring the reliability of data flows for business teams
- Modeled the target data schema (star schema) to structure ingested flows and facilitate analytical use by business teams
- Designed the data architecture on GCP: component selection (BigQuery, Cloud Storage, Cloud Composer), definition of ingestion, transformation, and exposure zones.
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Education
- Data & Artificial Intelligence EngineerEFREI Paris2023Ingénieur diplômé de l'EFREI Paris - Spécialisation Data & Intelligence Artificielle
Certifications
- DP- 600 | Microsoft Certified: Fabric Analytics Engineer AssociateMicrosoft2024
- PL-300 | Microsoft Certified: Power BI Data Analyst AssociateMicrosoft2024