ML Engineer, Trust & Safety

Spin Master

. Own and maintain content moderation end to end, from what a child says to the image that prints, including copyrighted and licensed characters .

Posted 10/7/2026full-timeToronto • CanadaMid-LevelSenior💰 CA$136,700 - CA$182,300 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in content moderation, safety engineering, and classifier development, with a strong focus on shipping production code that balances precision and recall. Collaborates effectively with engineering teams to integrate safety measures into models and features.

Highest-signal resume keywords

Content ModerationSafety EngineeringPython ProgrammingClassifier DevelopmentIncident Response

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Content ModerationSafety EngineeringClassifier DevelopmentPython ProgrammingProduction Code Shipping

Soft Skills

Good Judgment Under Pressure

Tools & Technologies

Review ToolingSafety Evaluation Suites

Industry Keywords

Data RetentionCompliance ObligationsRed TeamingThreshold SettingHarmful Content Evaluation

Tech Stack

Tools & technologies

Python

About the role

Key responsibilities & impact

Own and maintain content moderation end to end, from what a child says to the image that prints, including copyrighted and licensed characters
Maintain and grow safety evaluation suites and use them to decide when model, prompt, or threshold changes are ready to ship
Continuously improve classifiers and decide where in-house and third-party models fit best
Tune moderation to reduce over-blocking without weakening protection
Run ongoing red teaming against models and pipeline
Maintain review tooling for flagged content and parent reports
Own the incident response runbook for safety issues
Maintain the technical side of compliance obligations, including data retention and deletion
Partner with ML and Backend/Platform engineers to build safety into new models and features before shipment

Requirements

What you’ll need

Applied safety engineering experience on a product with real users
Experience building evals or classifiers for harmful content, not just configuring a vendor API
Strong software engineering skills in Python
Ability to ship production code in the moderation path that is fast and fail-safe
Comfort with precision/recall tradeoffs
Judgment to set thresholds when both kinds of error have a cost
Good judgment under pressure

Benefits

Comp & perks

Growth and Career Opportunities
Flexible Work Hours
Innovation, Collaboration and Fun
Comprehensive Benefits
Other fun Perks!
Reasonable accommodation throughout the hiring and selection process