WR
WRITER· HQ in United States

AI research scientist

Location: San Francisco, CA · Category: Data, AI & Analytics · Seniority: Senior · Posted: June 17, 2026 · Verified: Sep 21, 2026

Role Overview & Description

Leads an independent, high-impact research agenda on large language models and agentic systems, owning projects from hypothesis through model training, evaluation, and production deployment. Designs and executes large-scale post-training experiments using supervised fine-tuning, RLHF, RLAIF, DPO, and emerging alignment techniques, focusing on multi-step reasoning, planning, and tool use in enterprise agentic workflows. Builds novel evaluation benchmarks and methodologies to measure model performance.
Source & Transparency: This position was structured directly from the publicly accessible career portal of WRITER. Details on the employer’s original job posting are authoritative. Polaris7 charges no placement fees and conducts no candidate screening.

About the company

WR

Enterprise AI platform for governed agents, workflows and proprietary models.

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