Data Scientist - AI Search & Ranking

📋 Description

• Own components end-to-end — from problem framing through to production deployment and business
• Build and improve query understanding — intent classification, named entity recognition, slot
• Design retrieval systems — candidate generation, dense and hybrid retrieval, and the
• Develop ranking and personalisation models — from training data construction and debiasing through
• Apply and fine-tune language models where they improve the system — result explanation, query
• Design offline and online evaluation frameworks — relevance judgement pipelines, cold-start

🎯 Requirements

• 5+ years building and shipping search, ranking, or recommendation systems in production — Master's
• Deep theoretical knowledge and hands-on experience in at least one of: Learning-to-Rank, retrieval
• Experience fine-tuning and distilling transformer models for production — building efficient
• Solid foundation in experimentation — A/B test design, bias awareness, guardrail metrics, and
• Strong Python and SQL; hands-on with PyTorch or HuggingFace; familiarity with vector search
• Clear communicator, entrepreneurial drive, collaborative mentor, and motivation to make progress in

🎁 Benefits

• Real scale, real ownership. Work with petabytes of live travel data in production systems.
• Work that sits at the core of the product. DS&A is not a support function.
• Measured on impact, not sophistication.
• As you grow, so do we. Personalized coaching, workshops, conferences, online courses, campus
• Enjoy your office days. Canteen budget, snacks, gym, sports classes, ergonomic desks.
• Moving to join us? Visa support, relocation package, newcomer loan, language classes, events.