Senior Client Success Lead — Growth & Strategy (Hybrid)

Seedtag; New York (NY); Hybrid; USD 90,000 - 115,000; Full time

Benefits offered by this job

Flexible remuneration plan

Transit and parking support

Health insurance

Gympass

Unlimited Paid Time Off

401K with company match

Job summary

Seedtag is seeking a Senior Client Success Manager to own and grow strategic accounts on the East Coast. You will design action-driven strategies, drive upselling opportunities, and oversee end-to-end campaign execution with the Ad Operations team.

You will report on performance, provide strategic recommendations, and mentor junior team members while building strong relationships with agencies and advertisers in the New York digital advertising ecosystem.

Qualifications

• 4–6+ years in Customer Success, Account Management, digital advertising, AdTech, media, or similar client-facing role.
• Proven track record of managing and growing strategic accounts, driving client retention, upselling, and incremental revenue.
• Strong relationships with agencies and advertisers, ideally within the New York digital advertising ecosystem.
• Strong understanding of digital advertising and programmatic, including campaign strategy, measurement, privacy, and the broader AdTech ecosystem.

Responsibilities

• Own and grow a portfolio of Seedtag's most strategic accounts, acting as the senior trusted advisor and lead point of contact for key clients and agency partners across the East Coast business.
• Design and lead “Next Best Action” strategies during campaigns that leverage upselling opportunities to improve performance.
• Drive account growth and retention, consistently achieving and exceeding quarterly incremental revenue goals for key accounts.
• Initiate and oversee end-to-end execution of client campaigns with Ad Operations, ensuring delivery against timelines and budgets.
• Ensure clients receive regular campaign performance reports and translate data into actionable insights and recommendations.
• Lead regular client performance reviews and mentor junior CSMs on account strategy.

Skills

Account management

Customer success

Digital advertising

AdTech

Data analysis

Relationship building

Cross-functional collaboration

Strategic thinking

Communication

Problem solving

Commercial mindset

Executive presence

Tools

DV360

The Trade Desk

LiveRamp

Salesforce

Excel

Google Sheets

Job description

Seedtag is seeking a Senior Client Success Manager to own and grow strategic accounts on the East Coast. You will design action-driven strategies, drive upselling opportunities, and oversee end-to-end campaign execution with the Ad Operations team.

You will report on performance, provide strategic recommendations, and mentor junior team members while building strong relationships with agencies and advertisers in the New York digital advertising ecosystem.