Head of Customer Success (Mediation)

Location: Barcelona, Spain

Company

hirify.global operates a global programmatic exchange and mobile ad mediation platform for in-app advertising, combining proprietary technology, AdTech expertise, and data-driven optimization.

What you will do

• Own the mediation book of business after publishers are signed and integrated, with accountability for retention, account health, and growth.
• Build strong publisher relationships, understand competitive offers, identify account risks, and improve customer satisfaction.
• Act as the technical counterpart for integration, SDK, and performance issues, translating client problems into prioritized product and engineering fixes.
• Drive minor product improvements, grow gross profit from the existing portfolio, and improve team efficiency through automation.
• Lead, hire, prioritize, and coach a small team while ensuring smooth handovers from publisher acquisition teams.
• Track competing mediation platforms and maintain visible account plans, decisions, and account status.

Requirements

• Experience managing mediation clients in account management, customer success, or technical account management at a company operating its own mobile ad mediation platform.
• Proven retention and growth of mediation clients, with specific examples of actions taken and resulting changes.
• Ability to understand integration and SDK issues, describe them precisely, and work with engineers to prioritize fixes.
• Previous team leadership experience, including selecting people, setting priorities, and coaching.
• Required practical AI experience in account management or customer success, including improved workflows, results, and output validation.
• Strong data analysis skills: combining and validating account-level data such as requests, fill rate, eCPM, revenue, and SDK versions, identifying causes of change, and explaining findings to non-analyst publishers.

Culture & Benefits

• Fast-moving, ownership-driven environment focused on measurable product and market impact.
• Data-informed decision-making and technically deep work on complex programmatic advertising challenges.
• Collaboration across cultures, time zones, disciplines, and international teams.
• Opportunity to build infrastructure for transparent, efficient, and scalable in-app programmatic advertising.