Senior Client Success Manager

Smadex

. Build and manage strategic partnerships within the client portfolio .

Posted 10/7/2026full-timeBarcelona • SpainSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in mobile advertising and user acquisition strategies, with a strong focus on data-driven decision-making and client relationship management. Proficient in analyzing performance metrics and optimizing campaigns to exceed client KPIs.

Highest-signal resume keywords

Mobile Advertising ExperienceUser Acquisition Campaign ManagementCohort Analysis ExpertiseClient Relationship ManagementAnalytical Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Data AnalysisCampaign OptimizationPerformance Metrics (ROAS, CPM, IPM, CPI, CPA)Programmatic AdvertisingBusiness Development

Soft Skills

Excellent Communication SkillsStrong Problem-Solving MindsetHighly OrganizedProactive AttitudeAbility to Manage Multiple Tasks

Industry Keywords

Mobile App IndustryMedia BuyingClient Portfolio ManagementUser AcquisitionMobile Measurement Partners (MMPs)

About the role

Key responsibilities & impact

Build and manage strategic partnerships within the client portfolio
Identify growth opportunities and execute strategies to achieve business goals
Enable decision-making through data-driven strategies and actionable insights
Translate complex data analysis into clear and simple language
Introduce and promote new product features aligned with customers' business needs and growth stage
Lead client meetings and regular business reviews
Monitor user acquisition campaign performance
Optimize campaigns against clients' KPIs and strive to exceed them
Identify and drive business development initiatives to grow the client portfolio
Represent Entravision and Smadex externally and promote the in-house mobile advertising solution

Requirements

What you’ll need

3+ years of experience in mobile advertising
Experience managing performance-based user acquisition campaigns through programmatic channels
Excellent written and verbal communication skills in English
Ability to build and maintain strong client relationships
Strong analytical skills
Deep understanding of cohort analysis and customer acquisition metrics (ROAS, CPM, IPM, CPI, and CPA)
Strong understanding of the mobile app industry, including key players, media buying, sellers, suppliers, and MMPs
Proactive, disciplined, and highly organized
Ability to manage and prioritize multiple tasks simultaneously
Positive attitude, passion for apps, and strong problem-solving mindset
Legal right to work in Spain; visa sponsorship is not provided

Benefits

Comp & perks

Great compensation package
Rooftop terrace, barbeque, and fully stocked fridge
Work from home 2 days/week
Private Health Insurance
Access to LinkedIn Learning
Meal vouchers - Tickets Restaurant monthly allowance
Monthly gym allowance: Choose between DiR Gym and Wellhub
Regular team-building events
Fun and friendly work environment with talented marketers and engineers from over 40+ countries