Software Engineer, Communication 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.

As a Software Engineer on our Communication Safety team, you will join a high-impact team dedicated to detecting and mitigating unsafe communication at a massive scale. You will work at the intersection of backend infrastructure and machine learning, ensuring that our safety systems are not only accurate, but also highly performant and reliable.

This is a unique opportunity to solve complex technical challenges in real-time moderation. You will help build the infrastructure that catches abusive or policy-violating behavior before it spreads, balancing low-latency execution with the massive scale of our global community.

• Design, code, and test innovative features for our core safety platform, navigating the full development lifecycle from initial design to production deployment.
• Improve the performance, memory usage, and stability of our pipeline across all content types including chat, game assets, and in game experience.
• Work closely with product, design, and partner teams to maintain high execution quality and pace.
• Be mentored by senior engineers and actively engaged in architectural discussions and system design for our text safety solutions.

• 1-3 years of experience in Software Engineering/Computer Science
• Strong proficiency in C# and Python, with a track record of building and maintaining scalable, high-availability backend services.
• Familiarity with the lifecycle of machine learning models, specifically around model serving, experimentation, and performance monitoring.
• Experience handling production incidents and a passion for improving observability and recovery times in distributed systems.
• Experience collaborating cross-functionally with Product stakeholders to define requirements and deliver technical solutions.

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 as described on this page.

USD $153,120 — $196,750

Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence 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 to candidates with qualifying disabilities or religious beliefs during the recruiting process.

For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H‑1B sponsorship at this time.