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Senior Machine Learning Engineer in Reinforcement Learning

HR Tech Job

toronto, on, Canada Full-time June 19, 2026

Found Description

Join Upwork as a Senior Machine Learning Engineer, specializing in reinforcement learning systems that power our AI-driven platforms. Lead the charge in creating scalable AI solutions that make an impact.
As part of the Algorithms and Research team, you will focus on building and optimizing reinforcement learning systems to enhance Upwork's Search & Recommendations features. This role emphasizes strong technical leadership and collaboration with engineering and research teams. Your ability to translate research innovations into practical applications will be crucial, as will mentoring fellow engineers and scientists in advanced practices.
Key Responsibilities:
• Advance reinforcement learning systems powered by planning methods
• Develop decision-making architectures utilizing various data forms
• Support the transition of ML models to dependable production
• Enhance explainability and interpretability of AI systems
• Explore and apply new research techniques in ML...

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