growthroles

Account Manager (rtb.com)

rtbhouse Open · verified Sep 24, 2026
Warsaw Manager Account Management

At a glance

Mid-level Account Management role at rtbhouse. Warsaw.

Pay not stated

RoleAccount Management
SeniorityManager
LocationWarsaw
PostedAug 11, 2026 · 6w ago
Role brief

Growth Roles summary, based on the employer's posting.

What you'll do

  • Manage and grow a client book of 200-300+ accounts using segmentation, prioritization, and proactive outreach
  • Watch spending and engagement signals, then act to reduce churn, retain clients, and revive paused accounts
  • Recommend budget and campaign optimization changes that support commercial growth
  • Give top clients strategic attention while scaling automated communication for the wider account base
  • Handle daily questions, route technical issues internally, and share customer feedback with product and marketing

What you bring

  • At least three years in customer success, account management, or portfolio management within SaaS, tech, or a fast-growing startup
  • Experience overseeing a substantial client portfolio, including onboarding, retention, and expansion work
  • A data-led approach to churn, retention, and upsell metrics, plus hands-on CRM and workflow automation knowledge
  • Fluency in both English and Polish at the required working level for international client collaboration

Who this fits

You’ll suit a data-oriented account manager who can balance a large portfolio with high-touch work for priority clients. The role is remote from Poland and uses a B2B contract or contract of mandate. Daily collaboration requires English and Polish.

From the employer

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:

  • A unique opportunity to join a creative, dynamic company in online advertising;
  • Remote model ensuring a real work-life balance;
  • The possibility to drive impactful projects focused on existing business in close cooperation with market leadership;
  • An amazing onboarding process to make sure you are equipped with all the necessary knowledge and tools to excel;
  • Stable, long-term cooperation based on a B2B contract or contract of mandate.

Apply now!

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