Principal Machine Learning Engineer, Content Safety

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences- all created by our global community of developers and creators.

At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.We're on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there.

A career at Roblox means you'll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.

WHY CONTENT SAFETY?

Safety and Civility is Roblox's #1 priority and our mission is to protect our community. As a Principal Software Engineer on Content Safety, you'll build systems to ensure that millions of daily user-generated visual content across Roblox is safe and civil. You'll work on some of the most challenging problems we face, from moderating 3D content at scale, to using LMMs at the cutting edge of content moderation.

You Will:

• Build end-to-end ML systems to detect and address problematic visual content on Roblox, such as 3D content, images, avatars, and more
• Drive the evolution of our visual moderation into a scalable, adaptable system that supports dozens of customer teams with unique needs
• Develop innovative detection approaches in a rapidly evolving landscape. Use a data-driven lens to think creatively, strategically, and adversarially to identify opportunities.
• Shape the team's roadmap and technical direction. Drive execution, establish strong technical foundations, and mentor junior engineers.
• Partner with Moderation Operations, PM, Data, and stakeholders across Roblox.

You Have:

• 5+ years of experience building and shipping large-scale ML systems (or parts of these systems) to production
• 5+ years of experience working on multi-person codebases, including open-source or personal projects
• Passion for delivering products end-to-end, from ideation through implementation, with laser focus on the end goal while being empathetic with cross-functional stakeholders.

You Are:

• Resourceful: You're adaptable in any situation and can always find a path forward.
• Analytical: Excited to investigate large, ambiguous problems, and quantify the problems and the solutions.
• User Oriented: You always start with the needs of the user, whether they are Roblox users or internal engineers before architecting a solution.
• Team Oriented: You lift up your peers and find ways to make the team stronger. You are a sought-after mentor. You foster a culture of technical excellence.
• Mission Oriented: You stay laser-focused on the mission and are versatile, creative, and strategic to achieve it. You think long-term, and find ways to deliver short-term value on the way to get there.

For roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related factors such as professional background, training, work experience, location, business needs and market demand. Therefore, in some circumstances, the actual salary could fall outside of this expected range. This pay range is subject to change and may be modified in the future. All full-time employees are also eligible for equity compensation and for benefits.

Annual Salary Range

$289,460-$338,270 USD

Roles that are based in our San Mateo, CA Headquarters are in-office Tuesday, Wednesday, and Thursday, with optional in-office on Monday and Friday (unless otherwise noted).

Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Roblox also provides reasonable accommodations for all candidates during the interview process.