Lead Data Science Engineer
Core
Lead the development of AI features, specifically recommendation systems, for a job-matching web platform.
Role type
Senior IC Lead Data Science Engineer (Recommendation Systems)
Builds
Recommendation systems, classification, matching, structured data extraction, and AI agents for workflow automation.
Domain
Job search / Two-sided marketplace / AI
Deliverable
production ML models
Required skills
Recommendation systems (retrieval, ranking, personalization), Python, SQL, Model training, Feature engineering, Embeddings, Classification, System design, LLMs, A/B testing, Data pipelines
Preferred skills
Marketplaces/two-sided matching, Hybrid search, Vector databases, ANN indexes, LLM agents, Model distillation, Active learning
Responsibilities
Define technical direction and roadmap for AI features, lead and mentor the DS/ML team, build and deploy production models and services, improve retrieval and ranking algorithms, design and evaluate experiments and datasets.
Seniority
Senior, hands-on IC with team leadership
