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Leboncoin

Generalist online marketplace for secondhand goods

Technical AdTech Project Manager - Advertising Sales House

Project ManagementPosted on Nov 13
Full-timeParis, FranceNo salary listedHybrid

About the Job

Requirements

  • Confirmed experience managing AdTech projects, ideally at a publisher, advertising sales house, or programmatic advertising company.
  • Strong knowledge of digital advertising and its main tools and mechanisms, including ad serving, Google Ad Manager, supply-side platforms (SSPs), demand-side platforms (DSPs), OpenRTB, header bidding, software development kits (SDKs), consent management platforms (CMPs), and ad measurement.
  • Understanding of web and app environments, including iOS, Android, SDKs, tags, and release cycles, and ability to work with development teams without necessarily coding daily.
  • Proficiency with Google Ad Manager and understanding of ad revenue optimization levers, including fill rate, CPM, floors, viewability, and latency.
  • Solid foundations in JavaScript, HTML, tracking, and analysis of advertising traffic flows.
  • Professional English, spoken and written, for communicating with international partners.

Responsibilities

  • Act as the primary contact for commercial, Programmatic/Media Trading, Marketing, Product and Technology, Data, Legal and Privacy teams, and technology partners; gather business needs and identify value-creation opportunities.
  • Define suitable solutions and manage projects end to end, from scoping through production, in collaboration with Product and Technology teams responsible for development.
  • Monitor performance after deployment and ensure solutions meet business, monetization, and user-experience objectives.
  • Manage the integration and evolution of AdTech solutions, including SSPs, DSPs, header bidding, ad serving, measurement, consent, and Retail Media, coordinating partners, internal teams, dependencies, risks, and milestones.
  • Gather and challenge business and operational needs, translate them into functional scopes and technical requirements, and prioritize them with stakeholders.
  • Coordinate communication and shared decisions between the advertising sales house, Product and Technology (Product, Web, Android, iOS, Backend), Data, Marketing, Legal and Privacy, and service providers.
  • Manage multiple projects simultaneously from scoping through testing, production, and review, tracking schedules, priorities, quality, risks, and success metrics.
  • Contribute to technical acceptance testing and diagnostics using Google Ad Manager, bid requests, tags, SDKs, and debugging tools; analyze performance and coordinate fixes and optimizations with Product and Technology teams and partners.
  • Propose improvements to monetization and the advertising stack, including programmatic yield, latency, viewability, consent, new formats, and market solutions; share best practices with relevant teams.

Desired Qualifications

  • Experience using technical diagnostic and acceptance-testing tools.

About the Company

Leboncoin

Generalist online marketplace for secondhand goods

Leboncoin is a French online marketplace that lets people buy, sell, or trade second-hand goods, with a strong emphasis on local transactions. Users post and browse classifieds for categories like cars, property, and home items, communicating through the platform to complete exchanges. It stands out by being a generalist, high-traffic peer-to-peer site that supports the circular economy and keeps millions of items from being wasted. Its goal is to make second-hand consumption easy, bring people together, and promote sustainable living while continuing to grow the platform and its team.

Company size
1,001-5,000
Company stage
Acquired
Total funding
Not listed
Headquarters
Paris, France
Founded
2006

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