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# Software Engineer, Machine Learning (Communication Safety)

- **Company:** Roblox
- **Location:** San Mateo, CA, United States
- **Experience:** Expert
- **Salary:** $260,300.0 - $312,970.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Machine Learning, Information Technology, Roblox, Machine Learning Operations
- **Published:** July 24, 2026
- **Apply:** https://careers.roblox.com/jobs/8073279?gh_jid=8073279

## About the Role

* 5+ years of experience designing, building, and deploying large-scale machine learning systems in production environments.
 * A graduate degree or equivalent experience in Computer Science, Engineering, or a related technical field.
 * Strong communication skills and a collaborative, solution-oriented approach to problem solving.

## Description

As a Senior Engineer you will play a key role in advancing large-scale AI systems that strengthen text safety and integrity. You'll leverage cutting-edge ML models to build intelligent tools to curate high-quality training and evaluation data to train machine learning models. These systems will continuously refine and enhance model performance, enabling proactive detection and mitigation of safety risks across the platform in real time.

In this role, you'll work closely with cross-functional teams of engineers, product managers, policy experts, and safety specialists to turn complex safety challenges into scalable, impactful solutions. You'll establish best practices and technical standards that define the next generation of safety AI, ensuring the platform remains secure, inclusive, and resilient. Your contributions will directly empower robust, AI-driven moderation and detection systems that foster a safe and positive experience for all users.

You Will:

 * Design, build, and own critical components of the AI based text safety components, with a focus on usability, reliability, scalability, and performance.
 * Implement robust AI service to ensure text quality on all Roblox properties (Avatar, Game Description etc.).
 * Advance our AI systems infrastructure by developing strong frameworks and APIs to support the text filtering needs for hundreds of clients in Roblox.
 * Partner with cross-functional teams of engineers, product managers, policy experts, and safety specialists to to deliver scalable data and AI solutions to power next-generation safety systems.
 * Develop text safety quality metrics and eval tooling to support the continued quality iteration over time.
 * Stay current with emerging technologies and push forward innovation in AI space to enhance user and platform safety.


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