Job Details

Lead AI Engineer / Head of R&D

  2025-11-25     Thoth AI     Sonoma,CA  
Description:

Mission


To engineer the next generation of AI-Assisted Human Annotation Systems. Our goal is to scale the production of high-quality, personalized, and safety-aligned datasets.


Key Responsibilities


  1. Participate in the customer solution - making process and provide guidance on data services;
  2. Design and develop Agent-Assisted Annotation Workflows;
  3. Build Automated Quality Evaluation Frameworks;
  4. Synthetic Data Generation (SDG) Pipeline;
  5. RAG & Fact-Checking Integration.


Requirements

  • Tech Stack: Mastery of Python; deep experience with LangChain, LlamaIndex, or custom Agent frameworks.
  • LLM Engineering: Proven experience manipulating LLM APIs for complex tasks (chain-of-thought construction, few-shot prompting).
  • Data Operations: Familiarity with RLHF data formats (SFT/DPO/PPO) and data versioning tools.
  • Mindset: A "Data-Centric AI" philosophy—you understand that code is static, but data is dynamic, and you build tools to manage that complexity.


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