Principal Software Engineer, Account Authentication

Company: Roblox Corporation
Location: San Mateo
Posted on: June 2, 2025

Job Description:

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 experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We're on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there.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?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 and proactively detect, remove, and prevent problematic content and behavior, and we make Roblox accounts secure and free from compromise. We also keep the platform compliant for changing regulations and growth markets. We cover a broad area of the tech spectrum, including machine learning, experimentation, automation, highly scalable distributed backend systems, detection workflows, and AI-powered text filters. 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.Why ACCOUNT AUTH AND SECURITY?For millions of users every second, across mobile, web, console, and all locales, the Account Authentication and Security team is responsible for onboarding Roblox players and creators, securing their sessions, and granting them access to Roblox experiences and services. When we do our job well, Roblox users of all ages have a seamless and secure authentication experience regardless of their platform or locale.This is an excellent opportunity for an experienced engineer with a background in creating delightful onboarding flows (out of box experiences, setup wizards, referral programs, etc) to dig into data, be entrepreneurial, and influence the roadmap of our team and directly impact the experience of 100+ million Roblox users. About -70% of our roadmap is being sourced from within the team.As a Principal Software Engineer on our team you will be responsible for collaborating with product managers, data scientists, peer engineers, and executives to identify strategic problems and opportunities, decompose them into smaller, more tractable, problems and subsequently lead cross-organizational virtual teams of engineers to craft creative, unconventional, technical solutions.You Will:Be unorthodox. We are looking for someone to work cross-functionally to identify opportunities and craft creative, unconventional technical solutions that will improve user onboarding, retention, and engagement without sacrificing security for our large and diverse user base.Collaborate cross-organizationally with engineers, product managers, data scientists, and management at all levels to implement ideas.Mentor more junior engineers and product managers. Our team is relatively junior with about 20+ ICs (and more being hired). The person who takes this role will be one more senior than 90% of the people on the team.You Have:

• 8+ years of domain experience working on onboarding, out of box experiences, setup wizards, or authentication (e.g. sign-up and login user journeys).
• Influenced other teams or organizations without appointed authority.
• Experience landing high profile features as part of a cross-organizational collaboration.You Are:
  • User Oriented: You always start with the needs of the user, whether they are Roblox users or internal engineers before architecting a solution.
  • A Technical Leader: You have initiated and facilitated complicated technical solutions. Your technical expertise influences product direction. You foster a culture of technical excellence.Willing to experiment. We are a data informed team. Experiments are a crucial part of that.
  • Analytical: Excited to investigate large, ambiguous problems, and quantify the problems and the solutions.
  • Team Oriented: You lift up your peers and find ways to make the team stronger.
  • Entrepreneurial: We are looking for technical contributors to actively contribute to our product direction.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 hourly rate could fall outside of this expected range. This pay range is subject to change and may be modified in the future. Please note that not all benefits shown below are applicable to internship opportunities.Hourly Pay Range$289,460 - $338,270 USDRoles that are based in our San Mateo, CA Headquarters are in-office Tuesday, Wednesday, and Thursday, with optional in-office on Monday and Friday (unless otherwise noted).You'll Love:
    • Excellent medical, dental, and vision coverage
    • A rewarding 401k program
    • Flexible vacation policy (varies by exemption status)
    • Roflex - Flexible and supportive work policy
    • At Roblox HQ:
    • Free catered lunches five times a week and several fully stocked kitchens with unlimited snacks
    • Onsite fitness center and fitness program credit
    • Annual CalTrain Go PassRoblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Roblox also provides reasonable accommodations for all candidates during the interview process.Machine Learning Engineering Manager, Content SafetyPrincipal Software Engineer: Creator Services Platform
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Keywords: Roblox Corporation, San Bruno , Principal Software Engineer, Account Authentication, IT / Software / Systems , San Mateo, California