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Experienced Customer Success Manager – Media Buying (m/f/d) at arenaflex

Remote, USA Full-time Posted 2026-06-17

Are you a seasoned professional with a passion for delivering exceptional customer experiences and driving business growth? Do you thrive in a fast-paced, dynamic environment where no two days are the same? If so, we invite you to join our global team at arenaflex as a Customer Success Manager – Media Buying.

About arenaflex

arenaflex is a mobile demand-side platform (DSP) dedicated to democratizing programmatic advertising. We empower leading apps, agencies, media buyers, and brands to run programmatic customer acquisition, retargeting, and brand performance campaigns through our self-serve and managed service options. Built on the core pillars of performance, transparency, control, and empowerment, arenaflex powers the world's best mobile marketing teams with bespoke solutions that fuel business growth and deliver a competitive advantage. With an unprecedented scale of 160B+ daily ad requests from 1.6B+ unique users worldwide, we serve up to 1B+ ads per day in 180 countries. arenaflex is accessible through our APIs and user interface.

The Team

Our Customer Success Management (CSM) team serves a dual-purpose role within the organization, acting as a crucial link between our customers and our product & service offerings. This position is instrumental in understanding and addressing customer needs, ensuring that our solutions are aligned with their goals and challenges. Additionally, the CSM is responsible for developing comprehensive account strategies that focus on growth and customer success, owning the execution of the same along with the Trading Team and other internal stakeholders.

To succeed in this role, you need:

* In-Depth Mastery of arenaflex DSP for Client Success

  • Strategic Client Management and Campaign Excellence
  • Leading in Industry Knowledge and Trends
  • Client Advocacy and Relationship Building

Responsibilities

We are seeking a highly proactive Customer Success Manager who will take full ownership of customer relationships. The ideal candidate will have a solutions-oriented mindset and provide clients with proactive consultations and data-driven campaign optimization recommendations on a daily basis.

Customer Success Management

+ Form a deep understanding of the client's business & goals + Provide DSP advisory and strategic consultation from the onboarding phase + Maintain detailed internal documentation of client information (Hubspot), interactions (call notes), feature requests (product wishlist), and campaign strategies + Conduct engaging and informative Quarterly Business Reviews focusing on learnings, growth opportunities, and evangelizing on product roadmap

Account Strategy and Campaign Management

+ Co-manage and optimize campaigns with the Client or Trading team, analyzing aggregate performance and log-level data to improve strategies + Report on account progress weekly / bi-weekly to internal and external stakeholders (client, PSS Lead, Product teams, etc) + Set and achieve monthly and quarterly growth and milestone targets together with your Team Lead + Owning end-to-end client success and results through proactive optimizations, troubleshooting, and coordination

Feedback Loop and Product Development

+ Proactively identify and address emerging client needs + Work closely with the product team on enhancements based on client feedback + Efficiently troubleshoot issues and communicate them to the product and technical teams + Provide regular feedback to management about client needs, market & competitor intelligence

Requirements

* 2+ years of experience managing performance-driven web clients – must-have

  • Hands-on experience with programmatic or digital advertising platforms
  • Proven ability to build and drive processes that truly move the needle for clients
  • Capable of working independently and collaboratively
  • Strong analytical skills: able to dig into data, spot trends, and turn insights into action
  • A proactive mindset: you're comfortable tackling challenges and finding solutions quickly
  • Attention to detail

What do we offer?

* Exceptional career growth and learning opportunity

  • A unique opportunity to be part of an experienced team of industry experts and entrepreneurs who bring massive change to the Adtech market
  • Direct, day-to-day work experience with the management
  • A fun, driven, and multinational team located across Germany, India, Argentina, Ukraine, Turkey, the UK, and soon more countries
  • A flexible work-from-home arrangement
  • A 500-dollar home-office setup budget
  • A 1000-dollar annual learning and development budget

If you're a motivated and results-driven professional looking to take your career to the next level, we encourage you to apply for this exciting opportunity to join our team at arenaflex. Apply for this job

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