Location: Poland (remote) 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. In 2026, RTB House launched rtb.com, a self-service platform specifically designed to allow small and medium-sized businesses and agencies to deploy auto-built creatives and maximize performance on any budget. You Will: * support the Financial Controller in the financial supervision of selected foreign subsidiaries; * maintain day-to-day contact with local finance staff and external accounting offices, escalating issues to the Financial Controller; * support the preparation of financial data for consolidation, reporting and management purposes; * prepare financial analyses, reports and forecasts under the guidance of the Financial Controller; * gather reporting relevant data from specific sources and verify its completeness; * support monitoring of accounts receivable and credit risk; * support cash flow forecasting and payment management; * support documentation of controlling processes and financial procedures within the Capital Group; * effectively cooperate with the central finance team, business departments and profit center managers; * strive to improve financial processes; * support ad hoc tasks. Desired Experience: * bachelor's degree in Finance, Accounting, or similar area; * working experience of 1 to 3 years in finance, controlling, accounting or audit; * basic knowledge of accounting and corporate finance; * good understanding of financial reporting principles; * working knowledge of office applications especially Google Sheets/Excel; * strong analytical and organizational skills; * very good communication skills; * personality: proactive, meticulous, attentive to detail, team player, eager to learn, open to feedback, able to work with deadlines under pressure; * fluent in English. Nice to have: * working knowledge of IFRS; * basic knowledge of tax law; * basic knowledge of Spanish or French is a plus, as you will support these markets; * experience working in a shared service organization or a multinational group structure. We Offer: * ability to cooperate in a truly international environment with HQ in Poland; * opportunity to gain experience at the head office level of a multinational group rather than at a subsidiary; * direct mentoring and support from experienced Financial Controllers, with a clear path to develop into a Financial Controller role; * friendly and supporting atmosphere; * stable, long-term cooperation based on a B2B contract or contract of mandate. 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.

Junior Financial Controller

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