CareerPlan

Machine Learning Research Scientist, Post-Training

New York City / Seattle / San FranciscoFull-time$180k–$225k2026-10-21 → 2026-11-10
No visa sponsorship

Core

Develop novel post-training techniques (SFT, RLHF, reward modeling) to optimize data curation and evaluation for large-scale generative AI models.

Role type

Research Scientist (LLM Post-Training)

Builds

Next-generation generative AI models (text and multimodal)

Domain

Artificial Intelligence / Large Language Models

Deliverable

research

Required skills

Deep learning, reinforcement learning, large-scale model fine-tuning, SFT, RLHF, reward modeling, preference optimization, bias mitigation, model robustness analysis

Preferred skills

Published research in top-tier AI conferences, customer-facing experience

Technologies

LLMs, SFT, RLHF, reward modeling

Responsibilities

Research and develop novel post-training techniques, design and experiment new approaches to preference optimization, analyze model behavior and propose solutions for bias mitigation, publish research findings in top-tier AI conferences