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Senior Research Scientist

🌐 Remote💼 Full-time💰 $400,000–$400,000🗓 2026-08-06 → 2026-09-26

Core

Developing next-generation foundation models with persistent state, long-context reasoning, and agentic workflows to address limitations in current LLMs.

Role type

Senior Research Scientist (LLM Post-Training & Reasoning)

Builds

Foundation models (20B to 300B+ parameters) capable of planning, reasoning, and maintaining coherence across long-horizon interactions.

Domain

Artificial Intelligence / Large Language Models / Reinforcement Learning

Deliverable

production ML models

Required skills

Reinforcement Learning for language models, LLM post-training, large-scale experimentation design, model evaluation frameworks, long-context reasoning optimization

Preferred skills

Experience pushing models beyond benchmark performance, real-world model behavior analysis

Technologies

Foundation models (20B–300B+ parameters), RL algorithms, evaluation frameworks

Responsibilities

Research RL techniques for LLM post-training and reasoning, Design large-scale experiments and evaluation frameworks, Improve model behavior across long-context and agent-style tasks, Train and evaluate foundation models ranging from 20B to 300B+ parameters

Seniority

Senior, hands-on IC

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