LLM Research Scientist (Pre-training & Post-Training)

Pay$100–$120/hr
PlatformMercor
EligibilityUS only
CategoryScience
CommitmentContract
First seen2026-07-22
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About this role

We're looking for experienced machine learning researchers with hands-on experience training and improving language models end-to-end. You'll work on well-scoped empirical open-ended LLM research problems. Responsibilities Train transformer-based language models from scratch and fine-tune open-weight models. Get the most out of limited data and compute. Construct training corpora from raw web-scale sources. Build post-training pipelines. Diagnose and resolve training issues. Requirements We are looking for candidates with strong expertise in one or more of the following areas: Foundation Model Pre-training Experience with: Training transformer-based language models from scratch, e

Skills & domains

machine learning

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