Senior Platform Engineer - AI Platform

Role overview

Build the AI capabilities and production platform that support a high-volume home inspection software product. The work spans agent and LLM workflows for scheduling, report intake, customer communications, billing, and data extraction, as well as the PHP application, AWS infrastructure, and relational data layer beneath them.

Responsibilities

- Develop AI features using retrieval, context engineering, structured outputs, tool calling, and evaluation systems. - Design and operate multi-step or multi-agent orchestration, including task routing, state, retries, fallbacks, human review, and safeguards. - Monitor and manage non-deterministic systems with tracing, evaluation in CI, prompt and model versioning, and controls for token use and latency. - Own and improve the underlying PHP application, AWS/ECS infrastructure, and MySQL/Aurora data layer. - Apply AI capabilities to operational product workflows such as scheduling, reports, customer contact, billing, and data extraction.

Requirements

- Senior platform engineering experience delivering production software and infrastructure. - Ability to build and evaluate LLM-powered features, including retrieval, structured output, and tool/function calling. - Experience designing reliable agent workflows with appropriate retries, fallbacks, human checkpoints, and safeguards. - Familiarity with production operations for AI systems, including tracing, evaluation, versioning, and performance or usage budgets. - Experience with PHP, AWS/ECS, and MySQL or Aurora, as these form the platform foundation described for the role.

Benefits and work setup

- Remote role based in the United States.