Found 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 intent Balancing relevance vs business objectives Tech stack (indicative) Python, SQL • Elasticsearch / Open Search (or similar) ML frameworks (XGBoost, Light GBM, DL models)What we're looking for
Experience i...