Client Success Manager
Confirmed on the employer's own hiring board on Nov 14, 2026. First seen by Alion on Nov 13, 2026.
We’re looking for a Client Success Manager to join our team in Mexico City and play a key role in shaping the future of neuro-contextual advertising at a global scale.
Who We Are
Seedtag is the leading Neuro-Contextual Advertising Company.
We are redefining how advertising works in a privacy-first world by moving beyond keywords and cookies, towards understanding human emotion, intent, and context.
Powered by advanced AI and neuroscience, our proprietary technology, Liz, delivers a deep, human-like understanding of content and attention. This enables brands to connect with audiences at the right moment, in the right mindset, with ads that are relevant, engaging, and respectful of the user experience.
Founded in 2014 by two ex-Googlers, Seedtag has grown into a global company with 500+ Seedtaggers across 17 countries, backed by €250M in funding, and expanding rapidly across the open web and Connected TV.
We’re not just building technology, we’re rewriting the rules of advertising.
Your Challenge
As Client Success Manager, you will:
During campaigns, design strategies to provide “Next Best Action” for clients that leverage upselling strategy that can improve campaign performance - new products, channels, audience targeting, etc.
Initiate and execute client campaigns by agreed-upon timelines and budgets in partnership with the Ad Operations team.
Respond to client inquiries and coordinate internal responses on time.
Track pod retention rate and campaign success metrics (should aim for >90% KPI attainment.
Achieve Quarterly Incremental Revenue Goals for key accounts inside the book of responsibility.
Ensure clients receive regular campaign performance reports with detailed metrics and additional insights as per their preferences [e.g., weekly, monthly].
Monitor campaign performance regularly and make necessary adjustments in partnership with the Ad Operations team.
Keep clients informed of any changes or issues affecting their campaigns promptly and professionally.
Conduct post-campaign analysis within one week of campaign completion to identify areas for improvement.
Escalate unresolved issues to senior management or Adops as necessary, summarising the problem and attempted solutions.
Hold regular team meetings with necessary stakeholders outside to discuss client accounts, share updates, and collaborate on strategies.
Leverage internal tools [e.g., Salesforce, Slack, Jira, etc.] for efficient internal communication and task management.
Maintain a high customer satisfaction score.
What You’ll Need to Succeed
3+ years of experience in client-facing roles, ideally within an AdTech company, advertising agency, or publisher, with strong problem-solving skills.
Experience managing client relationships, responding to inquiries, and coordinating solutions to ensure customer satisfaction.
Good understanding of the digital advertising ecosystem, including programmatic advertising, campaign performance, and industry trends.
Experience supporting or managing direct-sold and/or programmatic advertising campaigns.
Familiarity with DSPs and SSPs, including platforms such as DV360, The Trade Desk, or similar technologies.
Strong analytical skills, with experience using Excel or Google Sheets to analyse campaign data, identify trends, and provide actionable recommendations.
Excellent communication and relationship-building skills, with a proactive and solution-oriented approach to client management.
Strong organisational skills, with the ability to manage multiple accounts, priorities, and deadlines in a fast-paced environment.
Advanced English proficiency, both written and spoken. Portuguese would be a plus.
Based in Mexico.
Why Join Seedtag?
This is a defining moment to join Seedtag, a company that combines scale, ambition, and soul.
Growth & Opportunity: Accelerated, hands-on development with real ownership, global projects, and internal mobility.
Flexibility: We trust you to balance work and life with flexible schedules and a hybrid model; work from home, the office, or wherever you do your best work.
Learning & Development: Access to an online learning platform, continuous training, and optional English or Spanish group classes.
Culture that Cares: Well-being is part of how we work, supported by initiatives like SeedDay, Digital Disconnection, and team-building moments.
Connection & Fun: Global events, offsites, celebrations, and a strong sense of belonging across all Seedtag locations.
Additional Perks
Gympass: Access to wellness programs and fitness classes.
Vales despensa.
Ready to Join the Seedtag Universe?
If you’re looking for a place where technology has soul, where ideas turn into impact, and where people truly come first, welcome to Seedtag.
At Seedtag, we foster an inclusive environment where everyone can thrive. We welcome diverse perspectives, as they fuel our innovation and growth. If you require any accommodations during the hiring process, please let us know. We’re committed to ensuring a positive and accessible experience.
Send us your CV and let’s build the future of advertising together.
#MakeItHappen #OneTeamOneDream #ILoveSeedtag #DreamBig