Lead Machine Learning Engineer/Scientist - Algorithms & Research
Upwork
about 2 months ago
Toronto, Canada
Mid Level / Senior / Staff+
H1B Sponsor
Responsibilities
- Architect a Dynamic Memory Management system for LLM and agent applications.
- Design RAG plus memory architectures integrating various data storage solutions.
- Develop multi-stage retrieval and ranking strategies validated by precision and recall.
- Build end-to-end pipelines for retrieval-augmented context flows.
- Train and post-train models for reliable function and tool calling.
- Establish evaluation frameworks and monitoring across various metrics.
- Lead cross-functional delivery from prototype to production.
Requirements
- Demonstrated experience shipping LLM-powered agent or assistant systems to production.
- Strong depth in retrieval and ranking systems, including embedding strategies.
- Hands-on expertise designing memory behaviors in LLM systems.
- Proven ability to improve structured tool calling through post-training methods.
- Adaptive AI fluency in technical workflows and rigorous output review.
Categories
AI & MLData Science