Principal AI Engineer (Python, Machine Learning, NLP)

We are looking for a Prompt Engineer with a strong foundation in large language models (LLMs), prompt design, and system integration — someone who can go beyond prompt tuning to design, build, and operate practical AI Agent systems that enhance and automate back-office workflows.  Design and develop AI Agent platforms or applications from scratch, especially for automating and enhancing back-office operations using LLMs Develop and iterate on high-quality prompts, prompt-chaining strategies, and evaluation pipelines Monitor agent behavior and system metrics to identify and mitigate hallucinations, performance degradation, or edge cases Evangelize and integrate tools, workflows, and development cultures to support rapid and responsible AI feature development Collaborate with backend, frontend, and infrastructure teams for seamless integration and delivery Mentor team members in best practices for prompt engineering, LLM integration, cloud AI tools, and evaluation methodologies Take technical ownership of AI initiatives, leading cross-functional collaboration (BE/FE/AI/SRE), and driving system-level decisions Just for your reference: Money Forward will become the