Senior Data Analyst (Advertising Business Team)

Allegro is one of the largest and most modern technology companies in Poland. Allegro Advertising is one of the fastest growing areas of the company, with revenues growing approximately twice as fast as the Allegro platform and three times faster than the entire advertising market in Poland. The Advertising Analytics team operates at the intersection of technology and business, delivering analyses, analytical products, and insights supporting key initiatives of the Advertising department. The team's work impacts the advertising growth of major brands and thousands of sellers on Allegro.

• Minimum 3 years of analytical experience (for Senior Data Analyst).
• Experience in e-commerce, advertising, or consulting is a plus.
• Several years of experience in processing and analyzing large data sets using SQL and Python (mandatory).
• Experience with Airflow is a plus.
• Practical experience in data visualization using Tableau, Looker Studio, or Power BI.
• Ability to collaborate effectively with multiple stakeholders to develop effective solutions.
• Strong communication skills in Polish and English (C1), both spoken and written.
• Ability to optimize processes and value automation.
• Positive energy and openness to others' ideas.
• Team player.

Nice to have:

• Practical knowledge of data processing in the cloud, especially GCP.
• Experience with code management using Git.
• Interest in new technologies, including AI, Agentic AI tools, and Machine Learning techniques for automating and scaling analytical solutions.
• Domain knowledge and experience in advertising and marketing.

• Operate on very large data sets in a cloud environment (GCP), preparing analyses (SQL, Python, Looker Studio), forecasts, and recommendations related to Allegro Advertising activities.
• Build advanced tools automating advertising analytics on Allegro.
• Analyze traffic, customer behavior, and revenues on the platform, creating recommendations supporting its further growth.
• Develop analytical tools supporting business decision-making.