You will have significant responsibilities in building and improving libraries for running large-scale, critical services in Swift. As an engineer you are responsible for influencing the direction and ensuring the goals are delivered. This work will include collaboration across multiple teams across Apple to help define, implement and deliver the shared vision.To start fast we believe a deep understanding of the Swift language and complex distributed backend systems is required. A proven track record of working in the Swift open source ecosystem will make you the perfect candidate.