Tracking Specialist Intern

Hi, we’re Back Market. We’re here to help make tech reliable, affordable, and better than new . We're a global marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable tech with 92% less carbon emissions than new. Yep, you read that right. Turns out refurbished tech is way better for the planet than new. In fact, With every device purchased on Back Market, our positive impact on the planet grows. From our Customer Care representatives to our software engineer, every individual at Back Market cuts the planet — and consumers — a break. Our mission is simple: to do more with what we already have. Are you ready to join us? JOB DESCRIPTION: The Data & Measurement team makes sure every interaction on our website and apps is measured accurately, reliably and in a privacy-compliant way. We own the tracking architecture (Google Tag Manager web and server-side, GA4, advertising platform tags) across 17 markets. The data we collect powers marketing performance, product analytics and business decisions across the company. Be a part of the movement. Join the circular revolution. YOUR MISSION (IF YOU ACCEPT IT): 🥇 Implement and maintain tags, triggers and variables in our Google Tag Manager containers (web and server-side), for analytics and advertising platforms such as Google Ads and Meta. Specify and QA dataLayer events with our developers, and make sure new features ship with the right tracking. Run tracking audits and QA across markets: detect broken or missing events, investigate data discrepancies, and follow fixes through to production. Contribute to tracking monitoring by building checks and alerts on data quality in BigQuery. Make sure tracking respects user consent choices and privacy regulations, working with our consent management platform and legal teams. Keep our tracking plan and documentation up to date, so every team knows what is collected and why. Answer tracking questions from Marketing, Product and Data teams, and help them trust the numbers. YOU ARE IN THE RIGHT PLACE IF: ⭐ You are in the final year of a Master's degree in engineering, business, data or digital marketing (or equivalent), looking for a 6-month internship. You have a first experience or a strong interest in web analytics and tag management (GTM, GA4 or similar). You understand JavaScript and can read, debug and write simple scripts, and you are comfortable with HTML and browser developer tools. You know some SQL, or want to get hands-on with BigQuery. You care about data quality and details, and enjoy investigating why a number looks wrong. You have an interest in privacy and consent topics (GDPR, cookies, CMPs). You communicate clearly and are comfortable working with developers, marketers and analysts. You are fluent in French and English (both are mandatory). BONUS POINT : Knowledge of server-side tagging, experience with an advertising platform (Google Ads, Meta), or a personal project involving tracki