Senior Fullstack/Backend Software Engineer
Roblox · San Mateo, CA, United States
About this role
## About Roblox Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences—created by our global community of developers and creators. At Roblox, we build the tools and platform that empower our community to bring any experience they can imagine to life. Our vision is to reimagine how people come together—from anywhere in the world, and on any device. A career at Roblox means shaping the future of human interaction, solving unique technical challenges at scale, and helping create safer, more civil shared experiences for everyone. --- ## Role Summary As a **Principal Software Engineer** on the **User Connections** team, you will define the backend systems that power the social ecosystem, including **Friending**, **Profiles (Identity + Expression)**, and other social engagement. You will **tech lead** the engineering team, influence service architecture designs, and guide the team’s roadmap—technical and product. Your work will power the Roblox ecosystem by helping people recognize and connect with friends and interests, express themselves, and discover and engage through their connections. You will own critical features used by millions of users daily (e.g., **profiles, names, online presence, co-play tools, and social proof**) and develop new **zero-to-one** features. You will drive company-level objectives for user engagement. --- ## You Will - Tech lead the engineering team - 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 engineering, product, and design teams to define and build platform features that enable users to express their identities - Mentor engineers and uplevel the team --- ## You Have - **8+ years** of experience designing, building, and supporting highly available, large-scale distributed fault-tolerant services in production - Extensive knowledge of server-side architecture and design principles, with proficiency in compiled languages such as **C#, Java, C++,** or others - Bachelor’s degree or higher in Computer Science or a related field - *(Bonus)* Experience with social products --- ## You Are - **Proactive**: operates with a sense of urgency, initiating conversations and workflow that move projects and people forward - **A Leader**: initiated and facilitated challenging technical decisions across multiple teams and organizations - **Scrappy**: willing to dive into any tech stack to solve problems and adapt quickly - **A product owner**: champions changes aligned with user needs --- ## Location / Schedule - Based at **Roblox HQ in San Mateo, CA** (**no remote option**) - Onsite **Tuesday, Wednesday, and Thursday** (optional presence on Monday and Friday) --- ## Pay Transparency (San Mateo, CA) - **Annual Salary Range:** **$227,370 — $278,530 USD** - Actual base pay depends on job-related factors (background, training, experience, location, business needs, and market demand) - Full-time employees are also eligible for **equity compensation** and **benefits** --- ## Equal Opportunity Roblox provides equal employment opportunities and prohibits discrimination and harassment of any type. Roblox also provides reasonable accommodations to candidates with qualifying disabilities or religious beliefs during the recruiting process. For US-based roles only: the comp
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