Apprenticeship - Customer Success Manager - F/M

Sparteo is an independent suite of AI-powered advertising technologies built on sustainable, sovereign infrastructure. Since 2018, we've been reshaping programmatic advertising to make it faster, more transparent, and more profitable by building the most direct path between publishers and advertisers. But we don't stop here: wherever attention lives, on the web, in apps, on CTV, and beyond, our mission is to monetize audiences, across every device. Our data-driven tech delivers 30% higher revenues for our clients on average than traditional solutions. Our Solutions: → Actirise: the display tech designed for performance → FastCMP: the consent management platform specifically designed for business purposes → Meetscale: the most advanced SSP for Publishers and Ad Networks → Viously: the ultimate all-in-one video tech solution → Voxeus: the audio distribution and monetization technology Behind Sparteo's growth is a team of 100+ talents across 11 countries, united by a shared ambition to redefine the future of digital advertising. Our dedication has placed Sparteo among the most dynamic tech players in Europe: FT1000 ranking – Among the fastest-growing European companies in 2024 & 2025 The Europas – Featured in the list of 100 hottest startups Pixalate Ranking – #1 Web SSP in France with our Actirise solution, overtaking Google AdExchange These milestones are just the result. What truly sets us apart is how we work: at Sparteo, we don't settle, we act. We are hungry: Always pushing for better, never settling for average. We are data-obsessed: Facts guide us, not assumptions, not egos. We think as one: Collective goals come before personal wins. We trade off: We simplify, prioritize, and go for high-impact results. We solve problems: We own challenges and turn ideas into action. We say what we do: Radical transparency is how we grow, no fluff, no hiding Discover our journey, products, and culture on 👉 our website 👈 Your Job As a Customer Success Manager Apprentice at Sparteo, you'll be a key member of our team, actively contributing to client satisfaction and retention. Under the guidance of your mentor, you'll progressively develop your skills across all CSM responsibilities. To specify Participation in Client Portfolio Management: You'll learn to monitor and contribute to the satisfaction of a client portfolio, helping to develop and track personalized strategies to meet their needs. Client Support and Communication: Working alongside the team, you'll be a primary point of contact for clients. You'll help qualify their requests, ensure timely resolution of their issues, and maintain fluid communication. Client Relationship Development: You'll contribute to building and maintaining strong relationships with our clients, seeking to understand their challenges and helping to align our services with their objectives. Preparation for and Participation in Client Exchanges: You'll assist in preparing for client meetings and presentations, and may participate in them to discuss service updates, operational changes, and gather their feedback. Cross-functional Collaboration: You'll work closely with the sales, marketing, and product teams, helping to relay client feedback so it can be incorporated into the development of our offerings. Contribution to Client Onboarding: You'll participate in supporting new clients during their integration, ensuring a smooth and positive start to their experience with our services. Analysis and Monitoring of Metrics: You'll be introduced to tracking client engagement and satisfaction metrics, and you'll help analyze this data to propose areas for improvement. This apprenticeship will provide you with concrete and valuable experience in Customer Success, within a dynamic and innovative company.

Sparteo is an independent suite of AI-powered advertising technologies built on sustainable, sovereign infrastructure. Since 2018, we've been reshaping programmatic advertising to make it faster, more transparent, and more profitable by building the most direct path between publishers and advertisers. Our data-driven tech delivers 30% higher revenues for our clients on average than traditional solutions.