Director, Machine Learning & Platform at Flex in Remote

Summary: Flex is a growth-stage FinTech company based in NYC that aims to transform the rent payment experience. They are seeking a Director of Machine Learning & Platform to lead the vision, strategy, and execution of their machine learning initiatives, focusing on building foundational ML capabilities to support compliance, customer success, and internal operations. Responsibilities: - Own the end-to-end machine learning platform, including model development workflows, training, deployment, monitoring, retraining, and lifecycle management - Define and execute the roadmap for scalable ML infrastructure supporting both real-time and batch use cases - Lead applied machine learning initiatives supporting compliance and customer success, including areas such as: Compliance monitoring, alerting, and investigation support, Customer success automation, prioritization, and insight generation, Internal operational tooling and responsible AI adoption - Partner with cross-functional stakeholders to translate complex business, customer, and regulatory problems into production ML solutions - Build, mentor, and scale a small team of ML engineers and applied scientists, operating as a player-coach when needed Required Qualifications: - 10+ years of experience in machine learning, data science, or related engineering roles, with leadership experience - Excellent communication skills and experience influencing senior stakeholders - Proven experience building and operating production ML systems and platforms - Background in fintech, financial services, payments, lending, or other regulated industries - Strong technical judgment and ability to balance innovation with operational excellence Required Skills: Machine Learning, Data Science, Production ML Systems Important Skills: Fintech Experience Nice-to-Have Skills: Technical Judgment, Leadership Experience Benefits: Competitive medical, dental, and vision available from Day 1, Company equity, 401(k) plan with company match (our company match kicks off at the beginning of 2026), Unlimited paid time off + 13 company paid holidays, Parental leave, Flex Cares Program, Free Flex subscription