As a Senior Software Engineer on the Wallets team, you will help build Roblox's next-generation wallet system, enabling users to seamlessly hold and transact with both Fiat and Robux currencies. You'll design and implement a highly secure, scalable dual-wallet system that supports funding, earnings, transfers, withdrawals, and lays the groundwork for future fintech-like features within the Roblox economy. You'll collaborate closely with product, legal, finance, and other economy engineering teams, as well as external vendors and banking partners to build the core of Roblox's financial systems, powering real money movement at global scale in one of the world's most dynamic digital marketplaces.