Tracking Specialist & Attribution Web & App - Freelance - Freelance (M/F)

Collective.workParisEURESpublished 09/17/2026
Must-have:GitE-Commerce
Machine translation — original language: French.Show original

Daily Rate (TJM): 550

CONTEXT

As part of strengthening the data/tracking team of a major retail & e-commerce player, we are looking for a tracking and attribution specialist, comfortable with both web and mobile applications. You will operate at the heart of a specific and complex tracking architecture, working closely with product, media, and development teams. Start ASAP.

MISSIONS

  • Structure data and design tracking plans (web & app) that meet the objectives of product teams
  • Write clear and actionable specifications, present them, and defend them to demanding development teams (who will challenge you ++)
  • Test implementations via BrowserStack or via a proxy
  • Manage attribution and performance measurement of media activities
  • Quickly master the existing tracking architecture, challenge it, and maintain a continuous critical eye
  • Detect, qualify, and report alerts to product leads - be their eyes and ears on the app
  • Identify new topics, prioritize pragmatically, and be proactive in proposing solutions

EXPECTED SKILLS (HARD SKILLS)

  • Mastery of Amplitude
  • Ability to structure data and design a tracking plan aligned with business objectives
  • Writing specs and presenting to devs
  • Testing via BrowserStack or proxy (can be easily trained on this aspect)
  • Knowledge of GA4 and Piano is a plus

VALUED PLUSES

  • Experience with GitHub
  • Experience with a server-side TMS (GTM server-side), which is becoming a key tool in 2026
  • Knowledge of JSON
  • Use of AI tools (Gemini, Copilot)

SOFT SKILLS

  • Autonomy and proactivity: knowing how to organize oneself and bring up new topics
  • Ability to quickly absorb and take charge of a unique architecture and a complex organization
  • Critical thinking and pragmatism: challenging the existing setup, bringing solutions rather than problems
  • Excellent communicator

TERMS

  • Fluent English indispensable (international working environment)
  • 2 to 3 days on-site per week in Paris
  • Start date: ASAP
  1. Mastery of Amplitude
  2. Ability to structure data and design a tracking plan aligned with business objectives
  3. Writing specifications and presenting to developers
  4. Testing via BrowserStack or proxy (training possible on this aspect)
  5. Knowledge of GA4 and Piano is a plus
  6. Experience with GitHub
  7. Experience with a server-side TMS (GTM server-side)
  8. Knowledge of JSON
  9. Use of AI tools (Gemini, Copilot)
  10. Autonomy and proactivity: knowing how to organize oneself and bring up new topics
  11. Ability to quickly absorb and take charge of a unique architecture and a complex organization
  12. Critical thinking and pragmatism: challenging the existing setup, bringing solutions
  13. Excellent communicator
  14. Fluent English indispensable