You now understand when and how to fine-tune LLMs. You can make the decision between prompting, RAG, and fine-tuning.
You understand LoRA, QLoRA, and other PEFT methods. You know how to prepare data, run fine-tuning, and evaluate results while watching for catastrophic forgetting.
Phase complete. You've covered the LLM/GenAI stack that differentiates you in - interviews.