Senior eCommerce & Retail Media Expert (mensch) at Omnicom Media Group GmbH | BE, DE | Rezi

Senior eCommerce & Retail Media Expert (mensch) at Omnicom Media Group GmbH

Senior eCommerce & Retail Media Expert (mensch)

Omnicom Media Group GmbH · BE, DE

2 weeks ago

Senior eCommerce & Retail Media Expert (mensch)

Omnicom Media Group GmbH · BE, DE

21 days ago
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About the Role

As a Senior eCommerce & Retail Media Expert, you will develop and manage integrated eCommerce and Retail Media strategies for national and international clients, combining strategic consulting with expertise in digital commerce platforms, retail media, performance marketing, and data-driven growth.

Responsibilities

  • Develop and implement holistic eCommerce and Retail Media strategies.
  • Identify revenue, efficiency, and market potentials and derive concrete growth measures.
  • Provide strategic consulting and presentations to clients.
  • Participate in new business pitches and client presentations.
  • Develop activation strategies for Amazon Ads and other Retail Media Networks, from Sponsored Ads to DSP.
  • Define KPI and measurement concepts, and manage budgets and campaign performance.
  • Analyze product assortments, content quality, conversion rates, and market potentials.
  • Collaborate closely with clients, platform and retail partners (e.g., Amazon, REWE, MediaMarktSaturn), and interdisciplinary teams.
  • Provide technical leadership and coaching to junior and manager-level colleagues.
  • Develop and establish best practices, standards, and methods.
  • Actively advance our commerce solutions and service portfolio in the areas of Commerce and Retail Media.

Requirements

  • Minimum of three to five years of professional experience in eCommerce, Performance Marketing, Retail Media, or Digital Commerce.
  • In-depth knowledge of Amazon Advertising, Retail Media Networks, and Marketplace ecosystems.
  • Experience in campaign management, budget management, and performance optimization.
  • Proficient in using analysis and reporting tools such as Excel, Power BI, or comparable applications.
  • Strong strategic and analytical skills.
  • High customer focus and strong consulting competence.
  • Entrepreneurial thinking and strong results orientation.
  • Excellent communication and presentation skills.
  • Independent, structured, and solution-oriented work approach.
  • Team player with experience collaborating with diverse stakeholders.
  • Very good German language skills (C1) and good English language skills (B2), both written and spoken.

Skills

  • eCommerce
  • Performance Marketing
  • Retail Media
  • Digital Commerce
  • Amazon Advertising
  • Retail Media Networks
  • Marketplace ecosystems
  • Campaign management
  • Budget management
  • Performance optimization
  • Excel
  • Power BI
  • Strategic analysis
  • Analytical skills
  • Customer orientation
  • Consulting
  • Entrepreneurial thinking
  • Results orientation
  • Communication
  • Presentation
  • Independent work
  • Structured work
  • Solution-oriented work
  • Teamwork
  • Stakeholder collaboration

Location

  • Düsseldorf
  • Hamburg
  • Berlin
  • Cologne
  • Munich
  • Ludwigsburg

Work Type

  • Full-time

Experience Level

  • Senior
  • 3-5 years

About the Company

  • Hearts & Science is one of the fastest-growing full-funnel agencies, merging branding and performance marketing.
  • Over 200 employees across locations in Düsseldorf, Hamburg, Berlin, Cologne, Munich, and Ludwigsburg.
  • We combine an intuitive sense for brands and media with a focus on maximum efficiency.
  • We are the youngest addition to the Omnicom Media Group, benefiting from a global network of top-tier teams, expertise, and insights.
  • We are technologically always up-to-date.

Equal Opportunity

  • We welcome everyone regardless of gender, nationality, ethnic and social origin, religion/belief, disability, age, or sexual orientation.
  • We believe in a culture of knowledge sharing and mutual respect, based on the well-being of each individual in the team.
  • We value diversity and therefore welcome all applications – regardless of gender, nationality, ethnic and social origin, religion/belief, disability, age, or sexual orientation.