**Principal AI Engineer****Role Summary**Serve as a principal engineer driving end‐to‐end design, development, and delivery of scalable, secure, high‐performance software and AI solutions. Combine deep engineering expertise with hands‐on Large Language Model (LLM) integration, prompt engineering, and engineering leadership.**What You'll Do****Software Engineering*** Design and implement complex services and platforms.* Write clean, maintainable, well‐tested code (Java, Python, plus other high-level languages).* Perform performance tuning and root‐cause analysis of critical issues.**AI & Machine Learning Leadership*** Design and refine prompt engineering strategies for production LLM applications* Integrate, optimize, and evaluate LLMs working with retrieval‐augmented generation (RAG), Agentic AI, embeddings, vector databases and prompt management tools* Lead model selection, fine-tuning, and deployment strategies for financial use cases* Build and maintain AI evaluation frameworks and ...