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Senior Applied AI/ML Scientist - Retailer Growth

Faire Wholesale, Inc. - Kitchener-Waterloo, ON, Canada - Hybrid - posted 2026-09-22

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Salary: CAD 180,000 - 247,500 / annual

Faire is a technology wholesale platform connecting independent retailers globally with suppliers and products. The company uses machine learning and data insights to help local retailers compete against large e-commerce and retail giants. You will join the Retailer Growth Data team, focusing on paid marketing and top-of-funnel acquisition channels. Your role is to develop AI/ML systems that activate new retailers and increase their engagement on the platform. The team works on a wide range of ML opportunities including paid marketing optimization, bidding optimization, search keyword intelligence, smart audience targeting, incrementality and efficiency estimation, and Answer Engine Optimization (AEO). Key responsibilities include: - Drive data science vision, strategy, and execution within Retailer Growth using AI/ML solutions - Work with cross-functional stakeholders to develop end-to-end product solutions - Extract deep behavioral insights using AI to automate AEO content creation and personalize user landing experiences - Optimize marketing capital allocation through sophisticated targeting and bidding optimization strategies - Implement rigorous experimentation and causal inference frameworks to quantify the impact of growth levers - Engineer scalable solutions for complex challenges inherent to two-sided marketplace dynamics Faire's Applied AI/ML team includes experienced scientists from Uber, Airbnb, Square, Facebook, and Pinterest. The company was founded in 2017 by early product and engineering leads from Square and is backed by top-tier investors including Y Combinator, Sequoia Capital, Khosla Ventures, and others. Faire has headquarters in San Francisco and Kitchener-Waterloo, with offices in Toronto, London, and New York. Hybrid employees work in the office 3 days per week (Tuesdays, Thursdays, and one flex day) with flexibility to work remotely up to 4 weeks per year. **Requirements:** - 3+ years of industry experience using machine learning to solve real-world problems - Experience with relevant business problems (e-commerce) - Experience with relevant technical methods (LTV modeling, NLP, LLMs, causal ML, bidding optimization) - Strong programming skills - Ability to design and implement ML solutions without supervision - Strong communication skills and ability to work in highly cross-functional teams - Excitement and willingness to learn new tools and techniques **Great to Haves:** - Master's or PhD in Computer Science, Statistics, or related STEM fields - Previous experience in paid marketing and/or growth teams focusing on SEO and AEO optimization - Previous experience with LLMs and programmatic content generation

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