Machine Learning Engineer

Job Summary

To support the mission of ensuring safety and integrity on the platform, the full-time Machine Learning Engineer will design, build, and deploy agentic solutions to detect and prevent fraud, abuse, and security threats while working remotely from Ontario, Canada.

Key responsibilities

• Design, build, and deploy agentic solutions leveraging large language models for fraud detection and prevention
• Build and operate scalable ML systems on cloud platforms for training and deploying models in production
• Collaborate with cross-functional teams to integrate agentic solutions into production systems and evaluate existing models

Required qualifications

• 4+ years of experience in machine learning or a related field, or a Bachelor's Degree in a relevant field with 2+ years of experience, or a Master's Degree in a relevant field
• Strong understanding of large language models and hands-on experience applying them at scale
• Experience building and operating classification or detection systems at scale
• Solid understanding of machine learning algorithms and their practical implementation
• Experience in Trust and Safety, including combating spam, malware, and fraud