SQL for pulling and shaping large-scale search and clickstream data
Experiment design and A/B test analysis (lift, confidence, guardrail metrics)
Product analytics and storytelling (turning data into clear recommendations)
Understanding of ranking concepts (features/signals, relevance, personalization, freshness)
Python or R for deeper analysis (notebooks, statistics, automation)
Data visualization and dashboarding (e.g., Looker/Tableau/Power BI)
Stakeholder collaboration with product and engineering
Evaluation methods for relevance (human judgments, offline metrics, error analysis)