Orchestration Frameworks: LangGraph| LangChain| Airflow| etc Integration of commercial and open-source LLMs into agentic workflows Agent and orchestration frameworks such as LangChain| Llama Index| Semantic Kernel| or CrewAI| with strong judgment about when to use frameworks versus building lighter-weight primitives Model-level work using PyTorch and the Hugging Face ecosystem (embeddings| fine-tuning| inference tooling)| with some exposure to TensorFlow Strong schema| validation| and state management practices using tools such as Pydantic Python and Zod TypeScript. Role Descriptions: Technical and Functional Skills 10 years of experience building large-scale distributed systems and strong experience with LLM systems| agentic workflows or advanced ML infrastructure AI engineers with recent NodeJS JavaScript Typescript experience.