My Internship
@ Xerfi
A deep dive into economic research & business intelligence
About Xerfi
1993 — Paris, France
Private Economic Research & Business Intelligence
~300 analysts & researchers
20,000+ companies & institutions across France
Xerfi is France’s leading independent business research firm — producing thousands of sector reports and economic outlooks every year.
Who I Reported To
Romain Lorenzi
Data Engineer / Project Manager
I.T. / Data
- French Engineer
- ~10 years experience in data & project management
- In the company for ~2 years
What I Worked On
Main Objectives
- Web Scraper
- Data cleaning and processing
- Data Visualisation
Key Project
Press articles scraping
Internal project
The Experience
On site
9am-5pm
Work 9am-12pm / 1pm-5pm
Lunch with colleagues
Two interns and a data Engineer
Christmas Events, "Galette des Rois"
Rising to the Occasion
My Response
- From Python to WebApp development
- Adapted to our objectives
Prior Experience That Helped
- Previous web experience
- Web classes at Polytech
What I Gained
Working project, active scraper
Python & Web development
Weekly reports
Industry usage of AI
Information seeking
Looking Back
What Worked Well
- Active information research
- Good communication
- Effective time management
What I’d Do Differently
- Too much usage of AI for coding
- Work in another IT field
An internship in a greater organization
Thank You
Questions?
Clément RENIERS · Polytech Lyon · 2025-2026