Smadex is a leading advertising technology company founded in Barcelona in 2010 and sold to American-based and stock-listed Entravision in 2018 (NYSE::EVC). We power campaigns for Apps, Games and Brands across Mobile and CTV using advanced machine learning and optimized creative strategies to deliver results. Smadex is one of the fastest growing DSPs and we are adding talent to fuel our ambitious plans for 2026 and beyond.

To help us maintain our strong position in the industry, we are looking for an Senior Client Success Manager to lead and develop a portfolio of clients across Europe.

This is a remote position, with the possibility to relocate to Barcelona.

Your mission:

The final candidate will be the first point of contact for all your clients and your main focus will be to grow the partnerships together daily. This includes monitoring the performance of our user acquisition campaigns, optimising towards clients' KPIs and overachieving them. You will be responsible for finding key business development initiatives to grow your portfolio. The right candidate will be keen to work in a team, will be analytically strong, and have a problem-solving attitude.

Your tasks and responsibilities:

• Build and manage strategic partnerships within your portfolio
• Identify growth opportunities and execute them to achieve goals
• Enable decision-making with a data-driven strategy and valuable insights
• Translate complex data analysis into simple language for clear communications
• Offer new product features aligned with customers’ business stage
• Lead client meetings and regular business reviews
• Represent Entravision & Smadex externally and sell our in-house mobile advertising solution.

Skills and requirements:

• 3+ years of experience managing mobile performance-based user acquisition campaigns on programmatic is a MUST
• Excellent communication skills (verbal and written) to develop strong relationships with your clients in English is a MUST
• Timezone Compatibility: Based in a location compatible with our Barcelona HQ (CET +/- 2 hours) for seamless team collaboration.
• Analytical, with a deep understanding of cohort analysis and customer acquisition metrics including ROAS, CPM, IPM, CPI, CPA.
• Strong understanding of the mobile app industry: actors, media-buying, sellers, suppliers, MMP’s.
• Proactive, disciplined, and highly organized with the ability to manage and prioritize multiple tasks simultaneously in a timely manner.
• Positive attitude, passion for Apps, and a love for problem-solving.
• Speaking Turkish or Russian is a PLUS

Benefit package:

• Join a high-energy, ambitious team dedicated to innovation.
• A rewarding salary and benefits package tailored to your expertise.
• Opportunities for international travel, including regular visits to our Barcelona headquarters.
• Unlimited access to LinkedIn Learning to fuel your professional development.
• Work alongside world-class marketers and engineers from 40+ countries in a fun environment.
• Regular social events and team-building activities to keep us connected.