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Principal Software Engineer, Game Safety

Roblox


Job Location:

San Mateo, CA - USA

Monthly Salary: Not provided by the employer
Posted: 8 July 2026 (30+ days ago)
Application Deadline: 5 October 2026
Vacancies: 1 Vacancy

Job Summary

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 were 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. Were 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 youll 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 SAFETY

At Roblox we strive to connect a billion people with optimism and civility and the Safety organizations mission is to become the leader in civil immersive online communities. We systematically detect remove and prevent problematic accounts content and behavior and we make Roblox accounts secure and free from compromise. We cover a broad area of the tech spectrum including machine learning classifiers for 3D models experimentation automation detection workflows and AI-powered text filters. Aligned and partnering with product teams we use this toolbelt to discover new opportunities influence and shape the product roadmap and prioritization build safety products and measure the impact on our community of users and doing so we keep Roblox safe civil and inclusive and we foster positive relationships between people around the world.

WHY GAME SAFETY

As a Principal Software Engineer on Game Safety youll work on some of the most challenging problems we face. You will transform our experience safety efforts into a scale-oriented near-real-time problem in an adversarial context. This requires an understanding of code 3D content player behavior and more working at Roblox scale (billions of monthly engagement hours).

The ideal candidate is creative flexible across the stack and proactive in advancing our mission of keeping users safe. Since engineering drives most of the teams roadmap we value initiative and problem-solving.

You Will:

  • Build and scale distributed systems that power game moderation at Roblox ensuring billions of monthly engagement hours are safe and civil.
  • Operate as a high-agency problem solver: whether the solution requires deep-diving into backend services scaling ML pipelines or diving into data you do whats needed to ship impactful safety products
  • Develop innovative detection approaches in a rapidly evolving adversarial landscape using a data-driven lens to identify new opportunities.
  • Lead through technical excellence: you define the teams direction by being the first to dive into the hardest problems earning influence through your execution and mentorship.
  • Partner cross-functionally with Moderation Operations Product Management and Data Science to deliver end-to-end products that protect our community.

You Have:

  • 6 years of experience building and shipping high-scale backend systems to production. Experience with machine learning is a plus
  • 6 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: Youre 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 Driven: 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.

Required Experience:

Staff IC


About Company

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Roblox is the ultimate virtual universe that lets you create, share experiences with friends, and be anything you can imagine. Join millions of people and discover an infinite variety of immersive experiences created by a global community!

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