Senior Machine Learning Engineer: ML Recall
Core
Building the retrieval layer of an e-commerce search engine to ensure relevant products appear in results for any query, in any language, within milliseconds.
Role type
Senior Machine Learning Engineer (Search Retrieval & Multimodal)
Builds
Dense and sparse retrieval models, visual search solutions (image search, shop the look), and multimodal recommendation systems.
Domain
E-commerce, Search, Information Retrieval, Multimodal AI
Deliverable
production ML models
Required skills
Search retrieval, transformer model training/fine-tuning, Python, PyTorch, data orchestration (Spark, Airflow), A/B testing, end-to-end model ownership
Preferred skills
Visual search, multimodal learning, query understanding
Technologies
PyTorch, Spark, Airflow
Responsibilities
Design and implement modern retrieval stacks with dense/sparse models; develop end-to-end visual and multimodal search solutions; experiment with new architectures and run A/B tests on live traffic; build ground truth data to measure missed products.
Seniority
Senior, hands-on IC
