Must also have experience in the following: 2 years of professional experience developing robust, mission-critical systems using programming languages (including C/C++, Java, C#, Rust, React, and OOP language); 2 years of professional experience designing and optimizing distributed systems, including microservices architectures built with Java and Spring Boot, implementing Redis-based caching strategies, and leveraging Kafka for event-driven message queuing; 2 years of professional experience analyzing and enhancing system scalability, reliability, and performance metrics; 2 years of professional experience designing and developing solutions to complex problems with significant business impact; 2 years of professional experience interacting systems with a broader production environment including dependencies and platform primitives; and 2 years of professional experience collaborating with cross-functional teams including software engineers, product managers, platform engineers, data scientists, data engineers, and analytics engineers. With more than 300 million tickets available annually on our platform to events around the world -- from sports to music, comedy to dance, festivals to theater -- StubHub offers the safest, most convenient way to buy or sell tickets to the most memorable live experiences.