Senior Platform Engineer - AI Platform

Role overview Lead the design and delivery of AI capabilities in a high-volume software platform, connecting agent and language-model workflows to real product operations such as scheduling, report intake, customer communications, billing, and data extraction. The role also owns core platform foundations, including a PHP application, AWS/ECS infrastructure, and a MySQL/Aurora data layer. The work spans hands-on engineering, production operations, and defining how AI systems are built and evaluated.

Responsibilities - Build AI features involving retrieval, context design, structured outputs, tool calling, and evaluation methods. - Design and run multi-step or multi-agent workflows, including task planning, tool routing, state, retries, fallbacks, and human review checkpoints. - Add safeguards and monitoring for unpredictable AI behavior, including tracing, CI evaluations, version control for prompts and models, and token and latency budgets. - Maintain and improve the PHP application, AWS/ECS services, and MySQL/Aurora data systems. - Deliver AI-enabled workflows across scheduling, report handling, customer communication, billing, and information extraction.

Requirements - Senior-level platform engineering experience spanning application and infrastructure responsibilities. - Practical ability to build and operate production AI or LLM features, including orchestration and evaluation. - Experience designing reliable workflows with retries, fallbacks, human oversight, and failure safeguards. - Ability to operate and improve PHP services, AWS/ECS infrastructure, and MySQL/Aurora data systems. - Location in the United States; the role is remote.