Data Analyst / BI + Junior Data Engineer

Data Analysis, Analytics Engineering, BI & GenAI

Transformer la donnée brute en insights décisionnels
Omar Khaldi
RoleData Analyst / Data Engineer
ExpertiseData · Analytics · BI

Career Path

Work Experience

Extia

Jan 2025 – Dec 2025

Data Analyst Consultant

Extia

  • Implemented ETL/ELT workflows using SSIS and Dataiku for data integration and preparation.
  • Migrated 2 insurance projects (health/savings) from SAS to Dataiku: flow migration, transformations and quality controls.
  • Built an Oracle data foundation (structuring, format normalization, calculation rules) feeding restitution layers.
  • Redesigned Qlik Sense dashboards from the Oracle foundation for technical monitoring and KPI tracking.
  • Optimized SQL queries and improved loading/reporting performance, implemented quality controls and documentation.
Fujitsu

Jun 2022 – Sep 2024

Data Analyst (Apprenticeship)

Fujitsu

  • Developed a data pipeline for airport passenger traffic forecasting to optimize on-site team allocation.
  • Integrated API/JSON/Parquet sources, stored on Azure, with preparation and orchestration in Dataiku (datasets, flows, automations).
  • Designed real-time Power BI dashboards for flow monitoring and KPI tracking, contributed to production deployment and maintenance.
  • Built streaming and reporting apps for ITSM ticket monitoring.
  • Contributed to Azure infrastructure deployment and workflow automation via Power Automate.
  • Developed GenAI app (RAG) for a medical use case, integrating LLM APIs and fine-tuning.
Atos

Jun 2021 – May 2022

Data Developer (Apprenticeship)

Atos

  • Designed and developed advanced Excel tools (VBA, Power Query) for data automation and analysis.
  • Analyzed and visualized financial KPIs (billing and forecasts) for business monitoring.
  • Contributed to managerial decision support via Excel/Power BI dashboards and reporting.
  • Participated in developing an HR planning application.

Data Journey

End-to-End Data Workflow

Raw
Pipeline
Model
Dashboard
Decision

Stack

PythonSQLApache Spark (Streaming)Azure Blob StorageAzure Data FactorySSISAPIs

Scope

Ingestion
Batch & Streaming
Data profiling
Schema validation

Projects

Selected projects

AI Accessibility App for Sign Language
AI Accessibility App for Sign Language
View project

AI Accessibility App for Sign Language

Gesture recognition prototype to support French Sign Language communication.

AI
OpenCV
MediaPipe
TensorFlow
GIS App (Python + VueJS)
GIS App (Python + VueJS)
View project

GIS App (Python + VueJS)

Map-based application to analyze territorial and business data.

Python
VueJS
GIS
Imaginify – Social Media Post Generator
Imaginify – Social Media Post Generator
View project

Imaginify – Social Media Post Generator

Full-stack React + FastAPI app to generate social media content (text + visuals) from a user brief.

+1
AI
React
FastAPI
GenAI
SQTE Association Website
SQTE Association Website
View project

SQTE Association Website

Modern showcase website for the SQTE association, built with a focus on accessibility and user experience.

Web
React
Next.js

Toolbox

Stack & tools

Power BI
Power BI
QlikSense
QlikSense
Dataiku
Dataiku
Azure
Azure
SQL
SQL
Python
Python
Docker
Docker
Git
Git

Certifications

Certifications

Core Designer Certificate
Dataiku

Core Designer Certificate

Mastery of Dataiku DSS fundamentals for data preparation and machine learning.

Advanced Designer Certificate
Dataiku

Advanced Designer Certificate

Advanced skills in designing complex data pipelines and analytics solutions.

CS50 Computer Science
Harvard

CS50 Computer Science

Fundamentals of Computer Science: algorithms, data structures, C, Python, and SQL.

DP-203 Data Engineering
Azure

DP-203 Data Engineering

Designing and implementing data engineering solutions on Microsoft Azure.

Contact

Contact

Available to chat

Let's build together