You will work and contribute towards the engineering of the iCloud platform. You have a proven background in network protocols and understand client-server architectures and distributed systems. You will build the server stacks for iMessage, FaceTime, Push Notifications, and iCloud and help us grow this platform to support several new services in the future. You'll design system architectures, specify custom network protocols, and implement high-performance code. You'll also develop scalability strategies for applications that support hundreds of millions of users. Because we are a small team with high visibility, the opportunities for you to make an impact are boundless. If you are a person who can seize these opportunities and run with them, you will enjoy working here. You should be deeply motivated and driven and should feel a personal stake in the services we are responsible for. Be able to juggle multiple priorities and handle uncertainty. You should have excellent communication skills and the ability to build strong relationships with the people you work with. You should be prepared to deliver high-quality results, and your work's quality, size, and timeliness will measure your success.