Principal Software Engineer- Safety Experience

Roblox

Location
San Mateo, CA, United States
Salary range
USD $295,250 – $345,040 base
Workplace
In office
Level
Senior / Staff IC
Job family
Engineering
Posted
2 weeks ago

The T&S Network estimates this role to be P4, Staff. The typical base salary for that level in Safety Engineering & Data Science is $220k to $290k 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.

Learn more about this and similar levels
Why this level

Estimated from the posting rather than stated by the employer: the posting states the level in its title · the title reads as P4 · asks for 8+ years · posts $295k to $345k base at a company of 500 to 5,000 in the San Francisco Bay Area.

Apply on Roblox

The role, in T&S terms

Written by the T&S Network from Roblox's posting.

Engineering work on the Safety Experience team within Roblox's Trust & Safety organization, building agentic applications and technical solutions for customer-facing and internal safety use cases. The team builds the tools, data pipelines and audit trails behind moments like content ratings, Customer Care replies, account suspensions and account recovery, with a chatbot in scope.

What you'd do

  • Build agentic systems that serve both players and internal teams.
  • Track recent LLM developments and build chatbot features while optimizing for cost.
  • Shape the team's roadmap and long-term strategy with product, operations and other cross-functional stakeholders.
  • Provide technical leadership that influences decisions within and beyond the pod.
  • Mentor junior engineers on technical skills and professional growth.

What it asks for

  • Bachelor's degree in Computer Science or a related field and at least 8 years of hands-on experience.
  • Proven experience developing solutions using LLMs.
  • Extensive experience in modern languages such as C#, Java, Python or similar.
  • In-depth knowledge of microservice architecture, RESTful APIs and RPC.
  • Track record of end-to-end delivery on complex problems across multiple teams, from conception to launch.
  • Graduate degree (preferred).
  • LLM experience beyond the required baseline (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

Company profile

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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