CareerPlanSign in

RE / RS - Foundations, Search

San Francisco💼 Full-time🗓 2025-06-16 → 2026-09-26

Core

Designing new embedding training objectives, scalable vector store architectures, and dynamic indexing methods to enable models to retrieve and condition on relevant information.

Role type

Researcher, embedding retrieval and vector search

Builds

Large-scale embedding systems and vector stores for OpenAI products and research

Domain

Artificial Intelligence, Machine Learning, Information Retrieval

Deliverable

production ML models

Required skills

representation learning, embedding models, vector retrieval systems, transformer-based LLMs, contrastive learning, metric learning, learning-to-retrieve systems, building and scaling large ML systems

Preferred skills

leading high-performance teams of researchers or engineers, first-principles mindset for retrieval and memory

Technologies

embedding models, vector store architectures, dynamic indexing methods, transformer-based LLMs

Responsibilities

Design new embedding training objectives and scalable vector store architectures; Drive innovation in dense, sparse, and hybrid representation techniques; Collaborate with Pretraining, Inference, and other Research teams to integrate retrieval throughout the model lifecycle; Tackle embedding models and retrieval systems optimized for grounding, relevance, and adaptive reasoning.

Seniority

Senior, hands-on IC

Sourced via ashby · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.