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Staff Engineer - Experimentation Platform

Faire Wholesale, Inc. - Toronto, ON, Canada - Hybrid - posted 2026-08-07

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Salary: CAD 190,500 - 262,000 / annual

Faire is a technology wholesale platform connecting independent retailers globally with suppliers and products. The company operates a multi-hundred-billion-dollar marketplace using tech, data, and machine learning to serve millions of users. You will be a highly experienced technical leader specializing in experimentation infrastructure, reporting to the Platform group within Engineering. This is a staff-level individual contributor role with significant technical influence across the organization. Key responsibilities: - Define and execute long-term strategy for experimentation and measurement company-wide - Establish and develop a technology roadmap for a centralized experimentation platform powered by Eppo, integrated with Faire's data ecosystem - Own measurement infrastructure, experiment lifecycle, governance, self-service tooling, standards for experiment design, metric creation, and result interpretation - Partner with Strategy & Analytics, Product Management, Data Science, and other functions who consume experimentation infrastructure - Influence and interact with all users of experiments functionality across product teams, analytics engineering, data scientists, and strategy teams - Balance technical leadership with hands-on development Required qualifications: - Extensive software engineering experience with strong focus on experimentation, analytics infrastructure, and product development - Proven track record designing, building, and scaling experimentation platforms in SaaS systems; marketplace and e-commerce experience especially valuable - Deep understanding of A/B testing, multivariate testing, feature rollout, and progressive delivery techniques - Ability to translate business objectives into experimentation and measurement capabilities - Experience implementing and operating commercial or open-source experimentation platforms; Eppo experience preferred - Strong understanding of experiment lifecycle management and statistical methodologies - Experience collaborating across disciplines to ensure rigor and trustworthy decision-making - Strong knowledge of modern data stacks; Snowflake and Databricks experience valuable - Expertise in data quality and observability tools; Anomalo experience valuable - Strong SQL skills and ability to design scalable analytical data models - Proficiency with AWS, Snowflake, Airflow, Spark, Python, Kotlin Workplace: Hybrid with 3 days per week in office (Tuesdays, Thursdays, plus one flex day). Up to 4 weeks remote work per year permitted.

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