Roblox is seeking a Principal Software Engineer for its Ads Platform to lead the design and development of scalable, high-performance advertising systems. The role involves collaborating across teams to build innovative solutions that enhance ad targeting and delivery. Candidates should have extensive experience in distributed systems, backend development, and a strong proficiency in programming languages such as Java or C++. This full-time position offers the opportunity to work at the forefront of ad technology within a dynamic, fast-growing company.