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 Frontend Software Engineer on the Marketplace team, you will architect and scale the applications powering Roblox's Avatar Marketplace—the core digital storefront driving one of the largest virtual economies globally. This ecosystem facilitates self-expression for hundreds of millions of monthly active users and manages a catalog of hundreds of millions of items, serving as a primary revenue engine for both Roblox and our global community of User-Generated Content (UGC) creators. This is a high-leverage, high-impact role where you will design, build, and optimize cross-platform UI/UX across iOS, Android, Xbox, and cutting-edge VR platforms. If you are an expert at developing user facing applications and are passionate about user experience, you will be right at home with us! You will: • Own high-traffic, mission-critical surfaces visited by millions of users daily. Your code will directly influence user engagement, retention and bookings. • Architect and build marketplace experiences that drive discovery and monetization for a booming ecosystem of independent creators and brands. • Partner with Product, Design and Data Science teams to run A/B tests, analyze user interactions, and continuously optimize the purchase funnel to maximize business impact. • Take ownership and drive projects throughout their full lifecycle. You Are: • Experienced: You've worked on intricate user facing applications and have experience with frameworks to build end to end applications. • Passionate about UX: You're dedicated to creating exceptional user experiences that resonate with millions of users. • Analytical: You're experienced at analyzing user interactions to optimize impact. • Adaptable: You're comfortable stepping out of your comfort zone to explore new technologies. • Collaborative: You excel at working in teams, inspiring others, and driving projects collectively. You Have • 3+ years of experience building responsive, complex user interfaces at scale. • Experience with modern frontend frameworks (React, React Native, or similar). • Strong intuition for user experience — you notice when something feels off and you know how to fix it. • Experience with A/B testing, experimentation, and using data to inform product decisions. • Bachelor's degree in Computer Science, Computer Engineering, or a similar technical field (or equivalent experience). • Bonus: Experience with e-commerce, monetization platforms, or personalization systems. 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 $196,750 — $243,290 USD Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence 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 to candidates with qualifying disabilities or religious beliefs during the recruiting process. For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.