Location: [Poland] 

We Are: 

RTB House is a next-generation performance demand-side platform (DSP) that uses proprietary Deep Learning AI algorithms to help brands grow. The company is the market leader in driving performance using Deep Learning across the entire purchase funnel. 

Founded in 2012, and now operating in 90+ markets, RTB House has always been private-by-design. It embraces first-party advertising and a relentless approach to innovation. RTB House offers end-to-end Deep Learning-powered AdTech products and solutions to maximize conversion, drive new customer acquisition, create engagement, and fuel long-term demand for a global base of clients.

You Will:

• Strategically manage and scale a portfolio of 200-300+ clients through data-driven segmentation, prioritization, and proactive engagement.

• Own the health of your client portfolio, acting on early churn-risk signals (e.g., declining spend, disengagement) to ensure high retention and reactivate paused accounts.

• Drive commercial growth by proactively proposing budget and optimization strategy changes based on campaign performance

• Deliver high-touch support for top-tier clients, including regular strategic meetings, while developing scaled, automated communication for the broader customer base.

• Act as the voice of the customer by gathering product feedback and identifying opportunities for case studies to share with marketing and product teams.

• Provide essential day-to-day client support, resolving inquiries directly and escalating complex technical or integration issues to the appropriate internal teams.

Desired Experience: 

• 3+ years of experience in Customer Success, Account Management, or Portfolio Management within a SaaS, tech company, or fast-growing startup environment.

• Proven experience in managing a large portfolio of clients (ideally 100+ accounts) and handling onboarding, retention, and expansion.

• Strong analytical and data-driven mindset with a focus on metrics like churn, retention, and upsell.

• Practical knowledge of CRM tools, automation workflows, and a proactive approach to using AI tools to optimize daily work.

• Fluency in English & Polish (minimum B2/C1) is required for daily collaboration with international clients.

We Offer: 

• We offer either a B2B contract or Contract of Mandate 
• Flexible cooperation in terms of location
• Collaboration with an award-winning organization that shapes the future of online marketing globally and is, on top, one of the fastest-growing tech companies in Europe, Deloitte - Fast 50 CE and Financial Times 1000: Europe’s Fastest-Growing Companies;
• Providing services in a truly international environment with the best people in one of the fastest-growing segments of online advertising with a proven history of customer satisfaction with our AI-powered retargeting technology (check out our client success stories at https://www.rtbhouse.com/case-studies 

Apply now! 

You don't need to tick every box to apply. If you are passionate about digital marketing, send us your CV, and we'll review it.