Job Description

Are you ready to join our digital revolution journey? 
At Aleph, we’re not just part of the digital advertising landscape—we’re shaping its future. Representing the world’s leading platforms, including TikTok, Amazon, Google, and nearly 55 others, we operate in 130+ markets across new and existing geographies.
Our mission is to empower advertisers and brands to unlock the full potential of these platforms' advertising capabilities. By fostering long-lasting partnerships, we create limitless opportunities for people and businesses to advertise effectively at both local and global levels.
With a presence spanning continents, Aleph offers you the chance to be part of a fast-growing, innovative team where your work makes a direct impact. If you’re ambitious, forward-thinking, and eager to thrive in a dynamic, global environment, Aleph is the perfect place to build your career.
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 (Senior 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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Why Join Us?
Aleph is a place of many cultures, perspectives, and talents. We support each other, creating an environment of giving and receiving. We value partnership and communication because we believe it takes a group of people to achieve great things. We are energized by our ever-changing industry, our curiosity keeps us learning and seeking out new opportunities.  
We stay flexible and adaptable, and believe in moving with the speed of change. We encourage everyone to strive for more, providing our internal talent with growth opportunities and the ability to learn together. 
“Share our similarities, celebrate our differences.” – M. Scott Peck
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