engineering
Posted 6 hours agoPrincipal Software Engineer
at roblox
San Mateo United States, United StatesOn-site
Responsibilities
- Lead the design and implementation of a scalable, cost-efficient platform engineered for 10x traffic growth
- Drive the AI-first transformation of the safety platform: architecting agentic and ML-integrated workflows with the security, auditability, and reliability that production safety systems require Build the developer
- Define backend standards and patterns across the team; raise the technical bar through code review, architecture guidance, and mentorship
- Identify and resolve performance bottlenecks across networking, data, and compute — at scale You Have: 8+ years of
Requirements
- 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 Safety?
- 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.
- We're rebuilding the platform to be AI-first, natively supporting agentic and ML-driven safety workflows without compromising on security or auditability.
- Partner closely with Trust & Safety ML, User Safety, Safety Operations, and product teams to translate platform needs into durable infrastructure
- experience building large-scale backend/distributed systems and shipping high-quality systems to production. Strong preference for candidates who have
- experience with building developer platforms.
- Deep proficiency in Go or a similar compiled language (Go strongly preferred).
- Experience with CQRS & Event Sourcing is a plus •
- Experience with NoSQL databases at scale (DynamoDB, Cassandra, or similar) •
- Experience with or strong interest in AI/ML platform integration — pipelines, agentic workflows, HITL workflows or similar
- BA/BS in Computer Science, Engineering, or a related technical field — or equivalent experience You Are:
Experience
- 4+ years acting as a tech lead: setting direction, driving execution, and growing engineers at multiple levels
Benefits
- Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.
- 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
- Annual Salary Range $295,250 — $345,040 USD
- 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.
Additional details
- 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
- We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there.
- At Roblox, we strive to connect a billion people with optimism and civility, and the Safety organization’s mission is to become the leader in civil immersive online communities.
- We systematically detect, remove, and prevent problematic content and behavior, and we make Roblox accounts secure and free from compromise.
- 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 developers.
- In doing so, we keep Roblox safe, civil, and inclusive, and we foster positive relationships between people around the world.
- Safety Foundation is the infrastructure backbone that powers safety across Roblox.
- Every piece of content reviewed, every moderation action taken, every safety workflow running anywhere on the platform flows through systems built by this team.
- We are the platform that other safety teams build on — and right now, we're in the middle of one of the most significant evolutions in our history.