Manager of Inventory Partnerships

StackAdapt

StackAdapt

Sales & Business Development
London, UK
Posted on Feb 11, 2026

StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision. With 465 billion automated optimizations per second, the AI-powered StackAdapt Marketing Platform seamlessly connects brand and performance marketing to drive measurable results across the entire customer journey. The most forward-thinking marketers choose StackAdapt to orchestrate high-impact campaigns across programmatic advertising and marketing channels.

As the Manager of Inventory Partnerships, you have the opportunity to foster meaningful relationships with esteemed SSPs and media owners in the EMEA region, empowering StackAdapt to expand its inventory footprint. By providing our clients with premium, high-performance programmatic inventory across all channels, your efforts will contribute to our mission of delivering exceptional value and results.

Collaboration with both internal and external stakeholders will be necessary to pinpoint the most appropriate supply opportunities tailored to meet our clients' requirements.

What you'll be doing:

  • Build and grow relationships with publishers and SSPs
  • Identify and prioritize programmatic inventory-related leads and opportunities
  • Nurture existing partnerships to ensure that scale and delivery are maximized across all partners
  • Create deals with our partners to unlock exclusive inventory and pricing
  • Understand trends in the industry to ensure we have the capabilities to deliver campaigns
  • Work closely with sales and account management teams to socialize new partnership opportunities
  • Ensure successful delivery of campaigns
  • Troubleshoot technical campaign issues for high-value clients
  • Create and maintain repository of publisher collateral and technical specs for the Sales team

What you’ll bring to the table:

  • Bachelor’s or Master's degree
  • 3+ years of work experience in a partner-facing role in business development, partnerships or other related experience
  • Proven track record of successfully seeking out and building impactful relationships in multiple markets within EMEA, across the supply landscape
  • Expertise in working with RTB, DSPs, SSPs and other platforms is a plus; previous relationships with publishers and SSPs is a big plus
  • Outstanding analytical and problem-solving abilities
  • Strong verbal and written communication skills, comfortable presenting to senior stakeholders, internally and externally

StackAdapter's Enjoy:

  • Highly competitive salary
  • Retirement/ 401K/ Pension Savings globally
  • Competitive Paid time off packages including birthday's off!
  • Access to a comprehensive mental health care program
  • Health benefits from day one of employment
  • Work from home reimbursements
  • Optional global WeWork membership for those who want a change from their home office and hubs in London and Toronto
  • Robust training and onboarding program
  • Coverage and support of personal development initiatives (conferences, courses, books etc)
  • Access to StackAdapt programmatic courses and certifications to support continuous learning
  • An awesome parental leave program
  • A friendly, welcoming, and supportive culture
  • Our social and team events!
StackAdapt is a diverse and inclusive team of collaborative, hardworking individuals trying to make a dent in the universe. No matter who you are, where you are from, who you love, follow in faith, disability (or superpower) status, ethnicity, or the gender you identify with (if you’re comfortable, let us know your pronouns), you are welcome at StackAdapt. If you have any requests or requirements to support you throughout any part of the interview process, please let our Talent team know.
We use artificial intelligence (AI) to streamline the resume reviews of candidates and assess their fit based on the criteria outlined in the job posting. We do not use AI to make any final hiring or interview decisions.
About StackAdapt
We've been recognized for our diverse and supportive workplace, high performing campaigns, award-winning customer service, and innovation. We've been awarded:
2024 Best Workplaces for Women and in Canada by Great Place to Work®
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