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.

We are seeking a passionate and experienced Senior Backend Software Engineer to join our growing team and play a key role in building the next generation of social features for Roblox. You will have the opportunity to design, build, and scale systems that impact millions of users globally. You will be a key player in shaping how people discover, connect, and interact with friends within Roblox, driving company-wide objectives for friend growth and user retention.

You Will:Design and build the systems that power critical social features such as People Search, Friend Recommendation, Contact Importer, etc.Lead the design and implementation of scalable backend systems to support hundreds of millions of users.Enforce high quality standards throughout feature development and iteration.Collaborate with other engineering, product, and design teams to push the boundaries of what's possible.Help mentor junior engineers.You Have:3+ years of experience designing and building systems behind consumer-facing APIs that can handle large numbers of concurrent users.Proven experience addressing scalability and reliability challenges in diverse system architectures, including microservices.Strong understanding of server-side architecture and design principles, with proficiency in compiled languages such as C#, C++, Java, or others.Extensive knowledge of database applications, including query optimization and scalability techniques.Bachelor's degree or higher in Computer Science or a related field.Experience with social products, such as Search and Recommendations systems, is a plus.

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$218,540—$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.