Job Description
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 ...