Roblox · 5 months ago
Principal Software Engineer, Experimentation
San Mateo, CA, United States
Full-time
Onsite
Lead/Staff
$289K/yr - $338K/yr
10+ years expRoblox is a platform that allows millions to explore, create, and connect in immersive digital experiences. They are seeking a Principal Software Engineer to lead the evolution and scaling of their experimentation platform, focusing on building scalable systems for online serving and offline analysis to empower creators and users.
3D TechnologyGamingMetaverseOnline GamesSoftwareVideo Games
Responsibilities
Help scale our online experiment serving flow to scale 10x
Design and simplify the experiment creation and analysis flows for the next generation of internal and external customers leveraging AI when necessary
Design a scalable serving model to support novel experimentation strategies (like crossovers, multi-armed bandits) and support our Data Science partners
Partner with our Data Engineering and Data Platform teams to build our experimentation data processing workflows
Partner with our customers all across Roblox and enable targeting experiments to audiences beyond our users - e.g. creators
Help build a reliable serving flow and a scalable data to support experimental analysis, gradual feature rollouts and human-centric reporting
Qualification
Required
Backend engineering experience with 10+ years of work experience
Solid programming skills in compiled languages such as C#, Go, C++, or others and knowledge of SQL
Designed and built backend platform systems that can handle over 1M QPS
Experience with big-data processing technologies such as Spark, Apache Druid, Flink etc. and exhibit a data-driven focus for quality metrics and monitoring
Knowledge with REST, API design patterns, and scalable containerized systems and micro-services
B.Sc. equivalent in CS or sufficient experience
Preferred
Experience in building experimentation platforms serving millions of users in preferably multi-sided marketplaces (Bonus)
Experience building and tuning Spark workflows at TB+ scale (Bonus)
Experience leveraging AI tooling to build simplified, human-centric experiences for internal customers (Bonus)
Benefits
Equity compensation
Benefits as described on this page
Company
Roblox
Roblox is an online gaming and entertainment platform that offers a shared digital experience that brings people together through play.
1001-5000 employees
H1B Sponsorship
Roblox has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (240)
2024 (111)
2023 (139)
2022 (153)
2021 (91)
2020 (92)
Funding
Current Stage
Public CompanyTotal Funding
$874.45MKey Investors
Andreessen HorowitzAltos Ventures
2024-10-01Post Ipo Equity
2022-04-12Series Unknown· $17.71M
2021-08-11Series Unknown
Leadership Team
David Baszucki
Founder and CEO
Michael Guthrie
CFO
Recent News
2026-01-11
2026-01-11
Company data provided by crunchbase