Sr. AI Agent / Prompt Engineer

Hyundai Capital America (HCA) helps people move forward by delivering innovative financing, leasing, and insurance solutions. The Sr. AI Agent / Prompt Engineer will design and build production-grade AI agents that leverage large language models while collaborating with cross-functional teams to drive AI initiatives from prototype through production.

Responsibilities:

• Design, build and deploy multi‑step prompt chains for complex of reasoning, planning, tool integration, and error recovery ensuring accuracy, reliability and contextual awareness
• Author and maintain robust prompt libraries (system prompts, task prompts, tool prompts) with clear structure, constraints, and fallbacks
• Develop agent workflows using function calling, graph‑based orchestration, or similar agent frameworks
• Continuously iterate prompts and agent logic to improve accuracy, consistency, and grounded response
• Integrate agents with enterprise tools, APIs, and data sources (e.g. retrieval systems, workflow engines, internal services)
• Define safe tool use patterns, permissions, and auditing strategies in partnership with governance and security teams
• Partner with data and platform engineers to ensure reliable RAG and agent execution paths
• Define and run offline and online evaluations for agent behavior (task success, tool success, error recovery)
• Diagnose failure modes such as hallucinations, prompt injection, and tool misuse
• Partner with QA and Governance to harden agents prior to production release
• Partner with business teams and product managers to translate business use cases into agent behaviors and integrate AI agents into production systems
• Ensure optimized design for interaction flows, transparency, and user trust
• Stay current of emerging AI research trends and recommend practical improvements to the enterprise AI stack