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Senior Client Success Manager

Hybrid in Barcelona·Full-time·Added yesterday

Still open when we checked on 8 Oct

Smadex

18 open roles

Overview

Job details

  • Full-time

    Per the ad.

  • Hybrid

    Office and home days — the ad has the split.

Requirements

  • Have the right to work in Spain

    Smadex doesn't mention sponsorship in the ad.

  • Work in English

    English is required, per the ad.

  • Be near Barcelona for hybrid days

    No relocation package mentioned.

  • Have 3+ years of experience

    Mid-level role.

Benefits

  • Private health insurance

    Per the ad: paid by the employer, or taken through flexible pay.

  • Meal vouchers

    A restaurant card or tickets, per the ad.

  • Gym access

    Free or discounted, per the ad.

Skills

Requirements

What we're looking for

  • 3+ years of experience in mobile advertising, managing performance-based user acquisition campaigns through programmatic channels is required.
  • Excellent written and verbal communication skills in English, with the ability to build and maintain strong relationships with clients.
  • Strong analytical skills, with a 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, with the ability to manage and prioritize multiple tasks simultaneously.
  • Positive attitude, passion for apps, and a strong problem-solving mindset.

Pay & benefits

What you'll get

  • Great compensation package.
  • Top location at the heart of Barcelona in a penthouse office with a rooftop terrace, barbeque, and a 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.
  • And more!

Visa & relocation

Please note that we do not provide visa sponsorship. Candidates must have the legal right to work in Spain to be considered for this position.

The role

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

As a Senior Client Success Manager, you will be the first point of contact for your clients, with a primary focus on growing and strengthening these partnerships on a daily basis.

This includes monitoring the performance of our user acquisition campaigns, optimizing campaigns against clients' KPIs, and consistently striving to exceed them. You will also be responsible for identifying and driving key business development initiatives to grow your portfolio.

The ideal candidate is a strong team player with excellent analytical skills, a proactive mindset, and a strong problem-solving attitude.

What you'll do

  • Build and manage strategic partnerships within your 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 for effective communication.
  • Introduce and promote new product features aligned with customers' business needs and stage of growth.
  • Lead client meetings and regular business reviews.
  • Represent Entravision and Smadex externally and promote our in-house mobile advertising solution.

How you'll work

Location: Barcelona (Hybrid - 3 days office / 2 days remote)

About Smadex

Smadex is a Madrid-based advertising technology company specializing in programmatic mobile advertising and performance marketing. The company provides a demand-side platform (DSP) that enables advertisers to run targeted campaigns across mobile apps and web, with a strong focus on data-driven optimization and creative innovation. Smadex operates globally, with a team of over 100 professionals serving clients across Europe, the US, and other international markets.

Smadex's headquarters and main engineering hub are in Madrid, Spain, making it a key player in the local AdTech ecosystem. The company is known for its collaborative, data-centric culture and invests heavily in machine learning, data science, and creative technology. For international professionals, Smadex offers the opportunity to work in a fast-growing, global-facing company in the heart of Spain, with roles spanning engineering, data science, product, and creative strategy.

Industry
AdTech
Founded
2011
Employees
100–500
Headquarters
Madrid, Spain
In Spain
Madrid
Website
smadex.com

Good to know if you are moving

  • Smadex is headquartered in Madrid, Spain, offering international professionals the chance to work in a vibrant European capital with a growing tech scene.
  • The company operates globally, with clients and partners across Europe, the US, and Asia, providing exposure to international markets.
  • Smadex focuses on data-driven advertising, making it an attractive employer for data scientists, machine learning engineers, and product managers.
  • The company has a strong emphasis on creative technology, with roles like Creative Technologist and Game Developer for playable ads, offering unique opportunities in the AdTech space.
  • Smadex is a mid-sized company, allowing employees to have a significant impact on products and processes.

In their own words

About the company & team

Smadex is a performance advertising engine for mobile apps, enabling the world's leading marketers to grow across Mobile and Connected TV (CTV). Powered by AI models trained on real campaign outcomes, Smadex delivers profitable growth at scale. Headquartered in Barcelona, with teams across the Americas, EMEA, and APAC, Smadex is a business unit of Entravision (NYSE: EVC) and one of the fastest-growing DSPs.

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