
Redha Cherif
Senior Data Engineer | AWS, dbt & Databricks
Salaire / Taux journalier
Paris, France
Freelance
Expertises
Langues
À propos
Introduction
Senior Data Engineer with 5+ years building scalable data platforms serving 300+ users across major organizations like Decathlon and Biogaran. Expert in AWS, GCP, Databricks, and dbt—designed 1TB+ data infrastructure and led teams of 10+ analytics engineers. Specialized in building robust ETL/ELT pipelines and custom automation tools that drive faster, data-driven decisions for cross-functional teams.
Expérience de travail
Senior Data Engineer
Decathlon DigitalFreelance
sept. 2024 - Présent
2 ans 2 mois
Paris, France
– Driving innovation and efficiency in data analytics for Decathlon's pricing team. – Designed and implemented the back-end for the pricing team's data model, supporting a cross-functional team of 6 data analysts, 3 BI engineers working on Tableau dashboards, and 2 data scientists by combining Kimball dimensional modeling and One Big Table (OBT) techniques to efficiently manage and analyse 1+ TB of data. – Leveraged a cutting-edge data stack—AWS, dbt, Databricks, Git, GitHub Actions, and Airflow—to deliver scalable, high-quality solutions for analytics and business decision-making. – Developed a custom Airflow library in Python, designed specifically by analytics engineers for analytics engineers, targeted to be adopted by 30+ analytics engineers across the organisation to standardise and streamline workflow automation. – Fostered collaboration and technical excellence by promoting best practices in data engineering, enabling the pricing team to make faster, more informed decisions.
Data trainer
IB - groupe CegosFreelance
mai 2024 - oct. 2025
1 an 6 mois
Paris, France
– Conducted professional data training sessions for employees across various companies, empowering them with skills in data visualization, storytelling, and Tableau Software. – Delivering two-day intensive training programs from diverse industries, with session sizes ranging from 7 to 15 participants. – Taught data visualization best practices and data storytelling techniques to help participants translate complex datasets into actionable insights. – Provided hands-on training in Tableau Software, enabling attendees to create compelling dashboards and reports to drive business decisions. – Received positive feedback for fostering a practical, engaging learning environment tailored to participants' skill levels and business contexts.
Data Engineer
BIOGARANFreelance
juil. 2022 - août 2024
2 ans 2 mois
Paris, France
– Analytics engineering – Built and scaled a data platform on Google Cloud Platform (GCP) to serve up to 300 users, enabling data-driven decision-making across the organisation. – Act as the technical lead for a team of ~10 analytics engineers, providing mentorship, code reviews, and guidance on best practices. – Participated in the hiring process for 5 analytics engineers, including interviews and onboarding to grow the team effectively. – Designed and developed 32 tables focused on invoicing and market data using dbt (Data Build Tool), improving accessibility and analysis of critical datasets. – Built and maintained the company's centralised data warehouse with ~10 foundational tables to consolidate common structural data, supporting 20+ active projects with additional integrations planned. – Data engineering – Ensured high-quality analytical outputs by implementing rigorous standards for code reviews, CI/CD pipelines, and development best practices. – Maintained and optimised the cloud architecture using dbt, GitLab CI, Kubernetes, Docker, and Argo, ensuring robust and scalable operations. – Collaborated with the Artefact director to manage the client account, overseeing deliverables, stakeholder communication, and performance metrics.
Data Analyst - Client Suez
Artefact
avr. 2022 - sept. 2022
6 mois
Paris, France
– Building of a Power BI dashboard for the performance manager in order to follow the performance of operational technicians working on the field for 3 different business units (France, Morocco and Asia).
Data Analyst - Client Catalina
Artefact
mars 2022 - mars 2022
1 mois
Paris, France
– Development of 8 template SQL queries on BigQuery to automatically build marketing audiences. – During this mission, I was supervising an intern.
Data Analyst - Client RedSpher
Artefact
déc. 2021 - févr. 2022
3 mois
Paris, France
– Building of a dashboard which used 20+ data sources (470 GB) to help the client follow and control their strategy of digitilizing the company.
Data Analyst - Client Unilever
Artefact
oct. 2021 - nov. 2021
2 mois
Paris, France
– Construction of 3 marketing marketing on Bigquery in the context of a 3 weeks marketing campaign which aimed to upsell the premium brand of a toothpaste in Carrefour shops.
Business Intelligence Analyst
GazelEnergie
sept. 2020 - sept. 2021
1 an 1 mois
92700 Colombes, France
– Worked as a Business Intelligence Analyst at GazelEnergie which is an electricity and gas provider in the French BtoB market. – Working with a portfolio (customer + prospects) including 8300 companies for a total volume of 18 TWh – Analysis of Business Performance of 5 commercial teams through 5 weekly reportings using Excel and Power BI – Continuously communicating with various teams (sales, MOA, pricing, IT, quality control) to properly follow the business performance
Scientific Analyst
McGill University
sept. 2018 - août 2019
1 an
Montreal, Canada Area
– Contributed to the team led by Dr. Paul Wiseman, performing insightful analytics on image series taken by fluorescent microscopy in collaboration with Janelia Research Farm. – Collecting datasets composed of images (up to ~4000), Data analytics via MATLAB coded autocorrelation method. – ~180h of teaching for a total of ~100 students – Weekly meetings about ongoing projects, PowerPoint presentations
Formation
Centrale Supélec
Mater's degree, Marketing, Management and Project Management
Sorbonne Université
Master of Science - MS, Physical and Theoretical Chemistry
– Magna Cum Laude
Sorbonne Université
Bachelor of Science - BS, Chemistry
– Magna Cum Laude
Licences et certifications
Microsoft Certified: Data Analyst Associate
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