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Senior Applied Machine Learning Engineer, SimGymRemote - Americas
Shopify · Posted today
Lead high-impact ML work on SimGym, building LLM/VLM browsing agents and learned buyer personas that help merchants trust storefront recommendations.
Senior Applied Machine Learning Engineer, SimGym Remote - Americas About The Role Shopify is building SimGym, an AI-powered store testing system that simulates buyer behavior using browser automation and LLM/VLM agents. SimGym helps merchants understand how real shoppers might experience their storefronts, then turns those simulations into trustworthy, merchant-facing theme insights and recommendations. We are looking for a Senior Applied Machine Learning Engineer to lead high-value ML work within SimGym. This is a hands-on technical role for someone who can execute through ambiguity, write production-quality code, make strong technical decisions, and help turn model experiments into reliable systems with real merchant impact. You will work on problems across multimodal browsing agents, teacher-model distillation, learned buyer personas, SFT/post-training, evaluation systems, behavioral data pipelines, and production rollout infrastructure. The goal is not just to improve benchmarks, but to help build AI agents that behave more like real buyers and produce recommendations merchants can trust.
What You'll Do
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There are 48 open roles at Shopify right now. This role is one of 84 Machine Learning Engineer openings in Remote and centers on Python, Llm, Vlm, and Sft.
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