Principal Backend Software Engineer, Yahoo Mail

Yahoo Mail is the ultimate consumer inbox with hundreds of millions of users. It's the best way to access your email and stay organized from a computer, phone or tablet. With its beautiful design and lightning fast speed, Yahoo Mail makes reading, organizing, and sending emails easier than ever.A Little About Us: We build, enhance, and maintain one of the highest scaling email platforms on the planet. We are the first component in the mail back end, a middle tier, that contains the APIs and business logic through which virtually all mail operations flow. We implement REST APIs for our world-class mail clients (mobile, web, Yahoo, AOL, etc), standards-based protocols (IMAP, POP, etc) for generic mail clients, and industry leading back-end mail synchronization. We impact approximately 300 Million users every month, serving billions of requests a day across servers across the world, and are critical to Yahoo's success. We do this on highly scalable applications in private and public clouds, that we are in the process of transforming to 100% native cloud. Come join this amazing team of Engineers, Product Managers and Designers to work on next generation innovative experiences transforming how users connect with each other every day! Responsibilities: