Senior AI Research Scientist, Enterprise LLMs & Agents

WRITER; San Francisco (CA); Híbrido; USD 180.000 - 320.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Generous PTO

Medical, dental, and vision coverage

Parental leave

Stock options

401k

Descripción de la vacante

WRITER is seeking an AI Research Scientist to lead a high-impact research program around large language models and agentic systems. You will work across post-training methods, planning multi-step reasoning, and tool use within enterprise-scale deployments.

You will collaborate with research, engineering, and product teams, publishing at top venues and mentoring colleagues. The role is hybrid, based in SF or NYC, with compensation scaled to experience and scope.

Formación

• 7+ years of hands-on ML research experience, with deep expertise in large language model pre-training and post-training.
• PhD in Computer Science, ML, NLP, or related field, or equivalent demonstrated research with published work.
• Expert-level knowledge of post-training methods including SFT, RLHF, RLAIF, DPO, GRPO and related techniques.

Responsabilidades

• Lead an independent, high-impact research agenda on LLMs and agentic systems, from hypothesis to deployment.
• Design and execute large-scale post-training experiments using SFT, RLHF, RLAIF, DPO, and alignment techniques.
• Build evaluation benchmarks and methodologies to measure enterprise-task performance.
• Develop scalable data synthesis and curation pipelines for high-quality training signals.
• Shape model architecture and training roadmap with research engineering and product teams.
• Publish and present research at top venues (NeurIPS, ICLR, ICML, ACL).
• Mentor researchers and engineers to uphold scientific rigor and design quality.

Conocimientos

ML research

LLM pre-training

Python

PyTorch

JAX

Distributed training

Research publication

Agentic systems design

Educación

PhD in CS/ML/NLP or equivalent research

Herramientas

Python

PyTorch

JAX

Descripción del empleo

WRITER is seeking an AI Research Scientist to lead a high-impact research program around large language models and agentic systems. You will work across post-training methods, planning multi-step reasoning, and tool use within enterprise-scale deployments.

You will collaborate with research, engineering, and product teams, publishing at top venues and mentoring colleagues. The role is hybrid, based in SF or NYC, with compensation scaled to experience and scope.