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Sr. Staff Machine Learning Researcher - Model Training & Optimization

Toronto, Ontario, Canada💼 Full-time💰 $100,000–$100,000🗓 2026-06-12 → 2026-07-31

Core

Leading research and development of large-scale machine learning models, specifically LLM training and inference optimization, on custom AI accelerators.

Role type

Sr. Staff Machine Learning Researcher (Model Training & Optimization)

Builds

Production-ready AI systems and optimized inference performance on Tenstorrent hardware.

Domain

AI/ML research and high-performance computing hardware

Deliverable

production ML models

Required skills

Python, PyTorch, LLM training, inference optimization, speculative decoding, quantization, kernel fusion, flash attention, distributed training

Preferred skills

PhD, published research

Technologies

PyTorch, Tenstorrent hardware

Responsibilities

Lead R&D efforts for LLM training and inference optimization; Train, evaluate, and optimize state-of-the-art AI models; Improve performance via techniques like speculative decoding and quantization; Investigate system bottlenecks; Translate cutting-edge ML research into scalable solutions.

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