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Client Software Engineer, Account Authentication

Roblox

$222,910 - $289,460
Sep 3, 2025
San Mateo, CA, US
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The Roblox Account Authentication and Security team is responsible for onboarding Roblox players, creators and securing their sessions across all platforms and locales. The business problem is to ensure a seamless and secure experience for Roblox users, particularly young and vulnerable users, by making account authentication and security child-proof.

Requirements

  • 4-6+ years of experience in frontend or client-side development working on complex user interfaces for large-scale consumer applications.
  • 4-6+ years of experience building and shipping user facing products to production in any domain, such as backend, frontend
  • 4-6+ years of experience working on multi-person codebases, including open-source or personal projects
  • Proficiency with modern UI frameworks such as React/Redux or React Native.
  • Experience building cross-platform UIs for web and mobile devices (iOS/Android) or gaming consoles.
  • Experienced in designing and implementing user facing features within a thick client app.

Responsibilities

  • Design and implement responsive, performant, and accessible UI systems for high-traffic surfaces used by hundreds of millions of users.
  • Build end-to-end features across platforms (iOS, Android, Windows, Mac OS, Xbox, VR, and future devices) that enhance user experience and drive platform growth.
  • Utilize and integrate state-of-the-art AI tools for development.
  • Drive initiatives to improve key company metrics, such as user acquisition and retention, by conducting systematic experiments and iterative improvements.
  • Dive into crafting user-facing features that streamline onboarding and enhance access to Roblox.
  • Explore and master diverse tech stacks in a dynamic environment.
  • Play a key role in shaping our team's direction.

Other

  • Mentor junior engineers and help build a strong, collaborative team.
  • Curious about how users experience your work and are excited about digging through both qualitative and quantitative data to understand Robox users.
  • Responsible: You build systems that are robust, and use production incidents to learn and improve.
  • User Oriented: You always start with the needs of the user, whether they are Roblox users or internal engineers before architecting a solution.
  • Roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below.