Staff Applied AI Engineer

Premier Global Links LLC is seeking a Staff Applied AI Engineer to build and scale reliable AI capabilities for a growing health coaching platform. The role involves developing production LLM applications and AI agents, owning the full AI development lifecycle, and improving system reliability, performance, safety, and personalization in collaboration with cross-functional teams.

Responsibilities:

• Build and ship production AI agents using LLMs, tool calling, structured outputs, and streaming responses
• Develop AI-powered features supporting personalized guidance across sleep, nutrition, fitness, and wellness
• Own the full AI development lifecycle, from prototyping and evaluation to deployment, monitoring, and continuous improvement
• Develop and evaluate AI systems using frameworks such as LangChain and LangGraph
• Improve AI reliability, latency, cost, and observability through prompt caching, token budgets, retry logic, and monitoring
• Build production tools and API integrations using Pydantic validation, data search, and structured submissions
• Design evaluation processes to measure AI safety, effectiveness, reliability, and personalization
• Build and deploy production Python services and scalable AI infrastructure
• Work closely with product, design, mobile, and backend engineers in a cross-functional environment
• Apply direct feedback and data-driven insights to continuously improve AI features and systems