Senior Sales Manager (Client Partner) - Platform X

Aleph

Warsaw, Poland Hybrid permanent

Posted: February 20, 2026

Required Skills

Job Description

Are you a high-performing digital media seller ready to take ownership of one of X’s most strategic markets? Do you combine strong agency relationships with a proven track record in performance-driven sales?

We are looking for a Senior Sales Manager (Client Partner) to lead the Poland market, a large and critical growth area for X. This is a high-impact commercial role responsible for driving revenue through both direct advertisers and agency partnerships, including support on agency trading agreements.

What you’ll do: :
• Own and grow X’s revenue in Poland, our key local market
• Build and expand relationships with top brand advertisers and media agencies
• Drive new business development while scaling existing strategic accounts
• Lead commercial conversations including agency trading agreements and negotiations
• Act as a trusted advisor on digital strategy, media planning, and performance solutions
• Consistently achieve and exceed quarterly and annual sales targets
• Partner cross-functionally with Client Solutions Managers to ensure flawless campaign execution
• Maintain accurate pipeline management and revenue forecasting
• Monitor market trends, competitor activity, and emerging opportunities
• Represent X at key industry events and within the Polish advertising ecosystem

What you need for this role::
• Bachelor’s degree in Business, Marketing, Economics, or related field
• 5-8 years of digital ad sales, business development, or account management experience
• Strong experience managing both direct clients and media agencies
• Proven involvement in or exposure to agency trading agreements
• Deep understanding of the Polish digital advertising ecosystem
• Demonstrated track record of hitting or exceeding revenue targets
• Strong commercial and negotiation skills
• Experience with online advertising, analytics, and performance marketing
• Fluency in Polish and English

What will make us really love you::
• Background at a major platform, publisher, or media agency
• Established network within top Polish agencies
• Strong consultative selling approach
• Ability to manage complex stakeholder environments
• Highly organized with excellent attention to detail
• Comfortable operating in a fast-paced, high-growth environment

What you'll love about us: :
• Lead one of X’s most important European markets
• Work with a dynamic, international, and high-performing team
• Competitive compensation with strong performance upside
• Access to best-in-class digital advertising training
• Flexible work models (role and location dependent)
• Real ownership, visibility, and career growth opportunities

Ready to take ownership of Poland and drive real commercial impact? Apply now and help shape the future of digital advertising with X.

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