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October 23, 2026

Senior Deep Learning Scientist, Multimodal Agentic RL

Senior

140,000 - 275,000 USD/yr

Santa Clara, CA

Quick Facts

  • Role: Senior Deep Learning Scientist (Multimodal Agentic RL)

Description

You will apply fundamental and applied research to build, train, fine-tune, and deploy large language models for agentic systems that perform audio-visual reasoning, tool usage, and document understanding. You will advance post-training and alignment methods—such as instruction tuning, preference optimization, and RLHF/RLVR/MOPD—to improve multimodal agents for complex real-world use cases. You will also research agentic reasoning and grounded perception, and lead multimodal dataset collection, development, and benchmarking for accuracy, safety, and task completion.

Responsibilities

  • Develop and deploy large language models for agentic multimodal systems (audio-visual reasoning, tool use, document understanding)
  • Improve agents via post-training and alignment methods (instruction tuning, preference optimization, RLHF/RLVR/MOPD)
  • Research planning, tool execution, and long-horizon task completion in digital and physical environments
  • Collect, develop, and benchmark multimodal datasets to evaluate accuracy, safety, and task success

Requirements

  • Master’s degree (or equivalent) or PhD in Computer Science, AI, or Applied Math with 5+ years of relevant experience
  • Excellent Python programming skills and strong fundamentals for scalable model development using deep learning frameworks like PyTorch
  • Strong knowledge of ML/DL techniques and modern foundation model architectures (Transformers, mixture-of-experts)
  • Foundational understanding of reinforcement learning algorithms and implementation, including MDPs, policies, and reward design
  • Hands-on experience in post-training multimodal models for omni-modality reasoning, full-duplex voice chat, and human-AI interaction
  • Proven ability to manage the model development lifecycle (dataset versioning, experiment tracking, evaluation pipelines)

Benefits

  • Highly competitive salary and comprehensive benefits package
  • Eligibility for equity and additional benefits
  • Base salary range: 152,000–241,500 USD (Level 3) or 184,000–287,500 USD (Level 4)
  • Opportunities for state-of-the-art, high-impact multimodal AI research

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