Design, build, and operate AppFolio's ML infrastructure on AWS, including ECS, SageMaker, GPU fleets, and model serving at scale. Drive AI cost optimization across multiple LLM providers (Google, OpenAI, Anthropic) while maintaining reliability and safety guardrails.… Build and productionize training and fine-tuning stacks for small language models, partnering with research teams to harden prototypes into production systems with SLOs, observability, and on-call support.
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