Senior Product Analyst (eCommerce & ML)

We are looking for a Senior Product Analyst to join a strategic ML Scoring domain for Sponsored Offers for one of the leading e-commerce marketplace clients. The role involves providing expert analytical leadership, supporting product decision-making, and building a decision-quality analytics layer to improve prioritization, experimentation, and KPI governance.

• Proven track record in independently delivering complex analytical projects that drive product or business decisions
• Advanced mastery of SQL, including optimization of high-scale analytical queries and automated metric pipelines
• Proficiency in Python-based analytical workflows, ensuring reproducible and version-controlled data analysis
• Expert-level experience in experimentation, including A/B testing design, statistical interpretation, and strategic recommendation framing
• Strong ability to translate strategic goals into structured analytical frameworks and clear, actionable conclusions for senior stakeholders
• Extensive experience in defining, validating, and governing product KPIs
• Proficiency in leveraging AI-assisted analysis tools while maintaining strict analytical rigor and methodology traceability
• Experience with SQL/BigQuery, Python, and BI tools such as Tableau or Looker Studio
• Experience in AdTech, marketplace ranking, causal inference methods, GCP cloud-native environments, or mentoring teams considered a strong asset

• Providing expert analytical leadership for strategic product questions within the ML Scoring domain for Sponsored Offers
• Translating complex product hypotheses into robust analytical frameworks and actionable recommendations for senior stakeholders
• Developing and maintaining a decision-quality analytics layer to enhance product prioritization, experimentation quality, and KPI governance
• Designing and interpreting experiments, including A/B tests, statistical analysis, and recommendation framing
• Defining, validating, and governing product KPI sets to support iterative product delivery
• Preparing executive-ready analytical conclusions, decision memos, and data storytelling materials
• Collaborating closely with product, data, ML, and business stakeholders

Language requirements: English B2+ and Polish required.