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 Senior Software Engineer (Backend), you will help us envision and build rich, immersive and engaging communication solutions for our users. Our projects have very high visibility within Roblox and the potential to significantly impact both our Community and the company’s top-line goals.

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.Design and develop 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 software engineers.You Have:Bachelor’s degree or equivalent experience in Computer Science. An MS/PhD is a plus.5+ years of experience in working on core architectures with a proven track record in addressing scalability and reliability challenges.3+ 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.

Annual Salary Range$233,840—$283,780 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).

You’ll Love: 

Industry-leading compensation package Excellent medical, dental, and vision coverage A rewarding 401k program Flexible vacation policy (varies by exemption status) Roflex - Flexible and supportive work policy  Roblox Admin badge for your avatar 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.