Global Finance Operations Junior Controller

RTB House; Polska; Hybrid; PLN 90,000 - 120,000; Full time

Job summary

RTB House, a leading AI-powered adtech company, invites applications for a Financial Controller role. You will support supervision of foreign subsidiaries, consolidate financial data, and prepare analyses under the guiding hand of the Financial Controller.

The role emphasizes accuracy, collaboration with international teams, and involvement in forecasting and process improvements within a multinational Capital Group.

Qualifications

• Bachelor's degree in Finance, Accounting, or similar area.
• 1–3 years of experience 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.
• Proactive, meticulous, detail-oriented, team player, eager to learn, open to feedback, and able to work under deadlines.

Responsibilities

• Support the Financial Controller in financial supervision of selected foreign subsidiaries.
• Maintain day-to-day contact with local finance staff and external accounting offices, escalating issues as needed.
• Assist in preparing financial data for consolidation, reporting and management purposes.
• Prepare financial analyses, reports and forecasts under guidance of the Financial Controller.
• Gather reporting data from specified sources and verify completeness.
• Support monitoring of accounts receivable and credit risk.
• Assist cash flow forecasting and payment management.
• Document controlling processes and financial procedures within the Capital Group.
• Cooperate with central finance team, business departments and profit center managers.
• Seek improvements in financial processes.
• Assist with ad hoc tasks.

Skills

Analytical skills

Organizational skills

Communication skills

Team player

Eager to learn

Deadline-driven

Education

Bachelor's degree in Finance/Accounting

Tools

Google Sheets

Excel

Job description

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;

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.