Senior Software Engineer, Safety Foundation
- Location
- San Mateo, CA, United States
- Salary range
- USD $196,750 – $243,290 base
- Workplace
- In office
- Level
- Senior / Staff IC
- Job family
- Engineering
- Posted
- 3 months ago
The T&S Network estimates this role to be P3, Senior. The typical base salary for that level in Safety Engineering & Data Science is $160k to $230k at an employer this size in the San Francisco Bay Area. Key skills at this level: owns a detection system end to end, including its drift and its retraining, designs for adversarial pressure rather than for a static distribution, and sets evaluation methodology others in the company adopt.
Why this level
Estimated from the posting rather than stated by the employer: the title reads as P3 · asks for 5+ years · posts $197k to $243k base at a company of 500 to 5,000 in the San Francisco Bay Area.
The role, in T&S terms
Written by the T&S Network from Roblox's posting.
Engineering on the backend infrastructure that runs Roblox's safety systems, which detects, removes, and prevents problematic content and behavior and keeps accounts secure. The Safety Foundation team builds the shared platform that other safety teams use for moderation, safety workflows, and developer integration, and is rebuilding it for scale and AI-driven workflows.
What you'd do
- Architect, implement, and grow the Safety Platform that moderates content and interactions across Roblox.
- Design and build the developer experience layer so product teams can integrate safety capabilities quickly.
- Own projects from concept to deployment, focusing on quality, reliability, and scalability.
- Coordinate with T&S ML, User Safety, Safety Operations, and product staff to shape platform needs into lasting infrastructure.
What it asks for
- 5+ years building and operating backend services or distributed systems.
- Proficiency in Go or a similar compiled language.
- Hands-on work on developer platforms, or strong motivation to build them.
- BA/BS in Computer Science, Engineering, or related field, or equivalent experience.
- Experience with CQRS, Event Sourcing, or NoSQL systems such as Cassandra or DynamoDB (preferred).
Our best summary of the posting, and it can be wrong. The employer's posting is what counts: read it in full on Roblox before you apply. If we got something wrong, report this listing.
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Still listed 14 hours ago
About Roblox

The employer
About Roblox
Gaming · Social platforms · San Mateo, CA · 1,001 to 5,000 people · Founded 2004
Platform where users build and play each others games, with a largely young player base.
Moderation, reported
Roblox filed 11.8M moderation decisions with the European Commission for May 2026.
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