Lead Data Scientist, Revenue - Ads

About the role

The Lead Data Scientist will join a cross-functional team to develop an advertising ecosystem within Vinted. This role involves owning the optimization logic for Ads systems, including ranking, targeting, and auction bidding, while shaping the data science roadmap from a greenfield state. You will work closely with engineering and product teams to balance advertiser value, revenue, and user experience.

Responsibilities

• Own optimization logic for Ads systems including ranking, targeting, pacing, budget allocation, and auction or bidding logic.
• Design, develop, and iterate models and algorithmic approaches for Ads delivery and optimization.
• Lead experimentation and performance improvement frameworks to define hypotheses and evaluation processes.
• Guide objective function and constraint design to balance advertiser value, revenue, and user experience.
• Conduct deep-dive analysis of system behavior and performance diagnostics to identify and resolve issues.
• Partner with engineering and product teams to move models from concept to production implementation.

Required skills

• Machine Learning
• Statistical modeling
• Ad Tech
• Python
• SQL

Nice to have

• BigQuery
• Ads ranking
• Auction systems
• Pacing and budget optimization
• Relevance modeling

Benefits

• Share options programme
• 25 days of paid annual leave
• MacBook
• Mental health support
• Home office furniture budget
• Lunch benefit
• Company bike leasing
• Flexible benefits platform
• Work from Home allowance
• Collective Defined Contribution Pension

About the Company

Vinted is Europe’s leading platform for second-hand fashion, connecting millions of members across 20+ markets. The group includes Vinted Marketplace, Vinted Go, and Vinted Pay, supported by a team of over 2,000 people.