As a Principal Software Engineer on the Wallets team, you will lead the technical design and execution of Roblox’s next-generation wallet system, enabling users to seamlessly hold and transact with both Fiat and Robux currencies. 

You’ll architect a highly secure, scalable dual-wallet infrastructure 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 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.

You will:

• Lead projects with the highest economic impact and visibility while building the next generation of the Roblox Economy
• Develop backend services that scale to billions of products and transactions.
• Work cross functionally with product managers, data scientists and designers to define requirements and roadmap
• Help recruit future talent for the team and mentor junior engineers

You have: 

• Genuine passion about building Roblox's Economy
• Focused on writing clear, readable, testable, modular, and monitored code
• A data-driven focus to provide quality metrics and monitoring
• Shipped large-scale, consumer-facing mobile and web applications
• Knowledge with REST, GRPC, API design patterns, and scalable containerized systems and microservices
• A Bachelor's degree (or equivalent professional experience) in Computer Science or related engineering field with at least 7 years of hands-on experience
• Experience working in monetization platforms or fintech