Principal Software Engineer, Messaging

Company: Roblox Corporation
Location: San Mateo
Posted on: May 3, 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.As a Principal Software Engineer on the Communication team, you'll be in charge of building rich, immersive and engaging user communication experiences to empower safe and detailed ways for people to express themselves in different modalities better than in real life with Voice, Camera, and Text, at scale. You will work closely with different teams (Game Engine, Apps, Avatar, Creator, Trust & safety, other product teams) to build user experiences that millions of users engage with daily, while keeping them safe and civil. If you are someone who is passionate about the future of human communication and wants to envision creative ways to enable highly engaging communication features while upholding high bar for safety, then this team is the right place for you.You Will:

• Devise creative solutions to optimize and scale our systems to support communication for a billion people on the platform.
• Introduce and improve our processes to help us be more effective and efficient.
• Use the best programming practices, optimizing code to be performant.
• Be instrumental in launching high-quality real-time communication products/features on mobile devices and high-end platforms.
• Enforce high-quality standards while we iterate on feature development.
• Collaborate with other engineering, product and design teams at the company to push the boundary of what is possible.
• Self-organize and take ownership of projects throughout its full lifecycle.
• Help recruit future talent and mentor engineers in the team.You Have:
  • 7+ years of experience as a front-end or client apps engineer working on sophisticated user interfaces, in close collaboration with product and design partners.
  • 4-6 years working on large-scale consumer applications in React/Redux, React Native, iOS, Android, Windows, Mac OS and other platforms.
  • At least 3 years experience working on deep and ambitious problems in sophisticated C++ codebases.
  • Well versed in performance monitoring, profiling and optimization.
  • Bachelor's degree (or equivalent professional experience) in Computer Science.You Are:
    • Fascinated by UX (and UI): You love to build delightful user experiences for millions of users. You care about the little details that no one notices are there.
    • Detailed: You are detail oriented and like to dig deep to understand the nuances while keeping things simple for our customers. You like building abstractions that hide complexity and make things transparent.
    • Knowledgeable: You understand all aspects of designing and building delightful and robust systems that are extensible and reliable.
    • Curious: Learning new languages and technologies is exciting to you as you will be working on a React inspired UI platform that powers the Roblox game engine.
    • Creative: You take a creative and strategic approach to solving hard problems and envisioning ways to optimize and grow the capabilities of the system. You have a vision for what can make a product phenomenal.
    • Team-oriented: You can work well as part of a team and know how to collaborate with all participants to develop the best solutions. You are happy to share your knowledge with everyone on the team.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 salary could fall outside of this expected range. This pay range is subject to change and may be modified in the future. All full-time employees are also eligible for equity compensation and for benefits.Annual Salary Range: $267,720 - $331,640 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 Pass.Roblox 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.
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Keywords: Roblox Corporation, Oakland , Principal Software Engineer, Messaging, IT / Software / Systems , San Mateo, California