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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.

Join the Co-Experience team in our quest to unlock a seamless way for people to connect and stay together across diverse Roblox experiences—both in 2D and 3D spaces. Our current project—a platform-level party system—has very high visibility within Roblox and the potential to significantly impact both our community and the company’s top-line goals. We have just started rolling out voice support and developer-focused Party APIs. We are looking for a passionate and experienced backend engineer to strengthen our team. We are highly collaborative and low-ego, and we draw on a mix of startup and large company backgrounds to iterate faster within Roblox.

You Will

Collaborate within a multi-functional team that includes product, design, UXR, frontend and backend engineering.
Maintain, improve and scale the newly released Roblox party system to support millions of concurrent users.
Participate in the design and development of service infrastructure, empowering Roblox creators to unlock new ways to co-experience for their users.
Partner with other engineering teams (infrastructure, matchmaking, chat, voice, trust and safety) to integrate multiple systems in a reusable, performant and safe manner.
Self-organize and take ownership of projects throughout their full lifecycle.
Maintain high quality standards while iterating on features with live production traffic.
Mentor junior engineers and interns.

You Have

Bachelor’s degree or equivalent experience in Computer Science. An MS/PhD is a plus.
4+ years of experience in working on core architectures with a proven track record in addressing scalability and reliability challenges.
2+ years of experience designing and building systems behind consumer-facing APIs that can handle large numbers of concurrent users.
Strong understanding of server-side development and design principles, with proficiency in at least one compiled language such as C#, C++, Java, Golang, or other.

You Are

Versatile: You’re a generalist, open to learning new languages and technologies, and can easily adapt to changing situations.
Creative: You take a creative and strategic approach to solving difficult problems. You actively research and leverage recent developments in the AI field to enhance productivity for yourself and your team.
Team-oriented: You collaborate effectively and enjoy sharing your knowledge and expertise with others.
Responsible: You are thorough in your designs, meticulous in handling potential failure cases, and diligent in automated testing. You build systems that are stable and reliable.

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 as described on this page.

Annual Salary Range$222,910—$273,070 USD

Roles 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).

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.