Role : Senior Data Scientist
Experience : 3 to 5 years.
About the role :
You’ll work on the core ranking and retrieval systems behind search, optimizing how user queries map to the product catalog at scale.
What you’ll do:
• Develop search ranking models (learning-to-rank, neural ranking, hybrid)
• Improve query understanding:
-Tokenization, normalization, semantic matching
- Embeddings (dual encoders, semantic search)
• Work with implicit feedback signals (click models, dwell time, conversions)
• Design and evaluate ranking metrics (NDCG, MAP, CTR, CVR)
• Run controlled experiments to improve relevance
Current challenges:
• Moving beyond lexical search → semantic retrieval
• Handling long-tail queries and ambiguous intent
• Balancing ...
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