Senior Data Analyst (Funnel Efficiency & CRO)

As a Senior Data Analyst in the Funnel Efficiency & Conversion Rate Optimization team, you will play a key role in driving data-based decisions across our e-commerce operations. This isn't just about reading reports - we are looking for a technical expert who can build analytical processes from raw events to high-level strategic insights.

Our team is responsible for optimizing the customer purchase journey across all Allegro markets. Our goal is to transition to an “AI-first” model and achieve full automation of analytics. The new analyst will serve as a key technical support in projects such as Real-time Intent Scorer, Automated Anomaly Detection, and advanced decomposition of conversion factors (Waterfall Dashboard).

Your main responsibilities:

• Analyzing visits, conversion, and GMV. Building and maintaining waterfall dashboards and mapping user flows (Visit Paths) to identify conversion blockers.
• Working directly with raw event data in BigQuery (beyond standard SaaS tools like GA4) to ensure the highest granularity of insights.
• Creating and optimizing reporting cycles and data pipelines using Google Cloud Composer and Airflow.
• Developing systems for automatic detection of bot traffic and anomalies to ensure data purity.
• Analytical preparation and interpretation of A/B tests, including the use of behavioral models.
• Transforming complex data into actionable insights that shape campaign strategies, pricing, and product opportunities.
• Working closely with cross-functional business and product teams to ensure recommendations deliver measurable impact.

We are looking for people who:

• Are SQL Experts, have advanced knowledge of BigQuery, experience with massive datasets, and query optimization skills -
• Code in Python: use Pandas and NumPy for data analysis and automating repetitive tasks.
• Understand E-commerce business: have a strong grip on metrics (GMV, CR, Bounce Rate, Incrementality) and statistical significance in A/B testing.
• Are proficient in creating intuitive dashboards (preferably in Looker or Tableau).
• Prefer working with raw data and building own processes rather than relying solely on ready-made SaaS integrations.
• Actively identify problems and propose solutions instead of just "closing tickets," while sharing knowledge with the team.
• Know English at a B2 level.