Senior Data Scientist, Ads & Monetisation

Requirements:

• Strong ownership mindset and ability to work autonomously from problem research to production deployment.
• 5+ years of experience working in ads, ranking, recommendation systems, or marketplace optimization domains.
• Strong experience with learning-to-rank (LTR) models and recommendation systems.
• Solid understanding of ads auction mechanics, bid optimization, and pricing strategies.
• Proficiency in Python and SQL; experience with CatBoost, XGBoost, or similar gradient boosting frameworks is a plus.
• Familiarity with causal inference and experimentation design for measuring ad effectiveness.

What you'll be doing:

• Develop bidding and auction algos that enable fair price discovery and efficient budget allocation.
• Build conversion prediction models (pCTR, pCVR) to power automated CPA/CPO pricing for self-serve merchant advertising.
• Design and implement ranking models that blend sponsored listings with organic results, optimizing for user experience and advertiser ROI.
• Partner with other data science teams to extend existing ranking infrastructure with ads-specific features and signals.
• Design and run experiments to validate pricing approaches, measure incrementality, and estimate causal impact of ad placements.
• Own and drive DS roadmap for Ads & Monetization, translating business goals into technical milestones.

Perks and benefits:

• Play a direct role in shaping the future of mobility.
• Impact millions of customers and partners in 600+ cities across 50+ countries.
• Work in fast-moving autonomous teams with some of the smartest people in the world.
• Accelerate your professional growth with unique career opportunities.
• Get a rewarding salary and stock option package that lets you focus on doing your best work.
• Enjoy the flexibility of working in a hybrid mode with a minimum of 3 days in the office each week to foster strong connections and teamwork.
• Take care of your physical and mental health with our wellness perks.
• *Some perks may differ depending on your location and role.