💼 Full-Time Position

Applied Scientist: ML Engineer at Upwork

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Upwork
📍 toronto, on, Canada
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Location
toronto, Canada
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Posted
June 19, 2026
Type
Full-Time
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Full-Time Opportunity: This is a permanent, full-time position with a competitive package and real career growth potential.

Job Description

Join Upwork in Toronto as an Applied Scientist focusing on machine learning and AI. Design innovative reinforcement learning systems for impactful user experiences.We're looking for an Applied Scientist to enhance our Algorithms and Research team at Upwork. You’ll develop and implement advanced machine learning and reinforcement learning systems that enhance decision-making processes across our platform. This role emphasizes the connection between innovative research and deliverable production outcomes in a fast-evolving environment.Key Responsibilities:
• Advance reinforcement learning systems integrating Monte Carlo methods
• Develop scalable decision-making architectures across data types
• Transition ML models from research to strong production systems
• Work with multi-disciplinary teams to enhance explainability
• Mentor junior engineers in code quality and best practicesRequirements:
• Extensive background in deploying reinforcement learning systems
• Profic...