AI-Powered Account Manager – Scale 200+ Clients

RTB House; United States; Hybrid; USD 31,000 - 47,000; Full time

Benefits offered by this job

B2B or Contract of Mandate

Flexible location

Award-winning organization

International environment

Job summary

RTB House is seeking a Customer Success professional to manage a diverse client portfolio in a fast-growing adtech environment. You will coordinate strategic meetings, monitor performance, and drive renewals and upsell with a data-driven mindset.

Based in Poland with flexible location options, the role emphasizes collaboration with international clients and cross-functional teams to optimize campaigns and deliver measurable value.

Qualifications

• 3+ years of experience in Customer Success, Account Management, or Portfolio Management.
• Experience managing a large portfolio (100+ accounts) with onboarding, retention and expansion.
• Strong analytical, data-driven approach focused on churn, retention and upsell.
• Familiarity with CRM tools, automation workflows, and AI tools for daily work.
• Fluency in English and Polish (minimum B2/C1) for daily collaboration.

Responsibilities

• Strategically manage and scale a portfolio of 200-300+ clients through data-driven segmentation and proactive engagement.
• Own the health of your client portfolio, addressing churn-risk signals to ensure retention and reactivation of paused accounts.
• Drive commercial growth by proposing budget and optimization strategy changes based on campaign performance.
• Deliver high-touch support for top-tier clients and develop scalable, automated communication for the broader client base.
• Gather product feedback and identify opportunities for case studies to share with marketing and product teams.
• Provide day-to-day client support, resolving inquiries and escalating complex issues to internal teams.

Skills

Customer Success

Account Management

Portfolio Management

Analytical mindset

Tools

CRM tools

Automation workflows

AI tools

Job description

RTB House is seeking a Customer Success professional to manage a diverse client portfolio in a fast-growing adtech environment. You will coordinate strategic meetings, monitor performance, and drive renewals and upsell with a data-driven mindset.

Based in Poland with flexible location options, the role emphasizes collaboration with international clients and cross-functional teams to optimize campaigns and deliver measurable value.