Senior Software Engineer, Developer Monetization (C++)

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. Developer Monetization is the economic engine of Roblox and owns the systems responsible for over 70% of platform revenue. We build the in-engine and Studio infrastructure that lets millions of creators monetize their work and that powers how hundreds of millions of users discover and purchase virtual goods across the world's largest virtual economy. We're building the next generation of that economy, including systems that understand how players interact with the world in real time, boosting our capability to optimize the economy to better support our community. Think: perception-aware commerce running natively inside the Roblox engine on mobile devices worldwide. The client is where the economy comes to life and where the hardest problems live. As a Senior Software Engineer on this team, you'll own the C++ layer that bridges our monetization platform to the Roblox engine and Studio. You'll build the in-game APIs, purchase flows, and real-time pricing surfaces that creators and players interact with every session. You'll partner closely with product, design, data science, and backend teams on projects with high economic impact, CEO-level visibility, and real scale. You Will: Build and evolve the in-engine C++ APIs at the core of Roblox's virtual economy, serving 20M+ QPS, gracefully degrading under pressure, and keeping the experience seamless for hundreds of millions of players. Design systems that capture how players discover and interact with virtual goods inside an experience, turning spatial and behavioral signals into structured data that powers intelligent merchandising and economy optimization. Push the boundaries of mobile performance. Profiling, optimizing, and finding creative ways to deliver rich monetization experiences within tight memory and frame budgets. Lead projects from scoping through experimentation to launch, making key technical decisions, running A/B tests, and iterating based on what you learn. Partner with product, design, data science, and ML engineers to shape the future of in-experience commerce on Roblox. You Have: 3+ years of experience building production systems with a strong foundation in C++. Experience shipping client-side or mobile software (iOS, Android, or game engines). Strong intuition for user experience. You notice when something feels off on a player's device. Experience with A/B testing, experimentation, or using data to inform product decisions. Comfort leading projects across ambiguity: scoping work, coordinating with cross-functional partners, and driving to delivery. Bachelor's degree in Computer Science, Computer Engineering, or a similar technical field (or equivalent experience). 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 $195,780 — $242,100 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.

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