While vibe coding knowledge is good to have, hands on implementation knowledge of LLM fine tuning, context engineering, Vector Databases Design, Model Routing, LLM Orchestration, Developing Agents and building Agentic Mesh, technologies such as LangChain, LlamaIndex, PineCone, Milvus, PyTorch, Tensor Flow and different transformer models including Claude, Gemini, OpenAI models, and ability to optimize token usage etc. are crucial for this role. Mastery of building functional pipelines featuring prompt engineering, LLM fine-tuning, Agent Mesh, RAG, Vector Databases, Chain-of-Thought, Context Engineering, Loop Engineering, and MLOps/LLMOps.