This position requires a highly creative and self-motivated individual, capable of communicating with and giving feedback to others in a range of roles across software engineering at Apple, the open source Swift community, and beyond. You will have the opportunity to affect design decisions not only on the Swift programming language and its developer-facing tools, but also general programming patterns, applications of Swift, and community building/outreach across the Swift ecosystem. Iteration and innovation are key to this role. You should relish change, and be prepared to question commonly established practices, with the desire to create the best possible experience to enrich the lives of programmers, both current and future.As a Swift language engineer, you will:* Design and implement new language features, including the diagnostic experience, documenting and iterating on your design decisions through the Swift evolution process.* Collaborate with teammates through in-person conversations, pull requests, and other online discussions.* Collaborate with open source contributors through pull requests and the Swift Forums.* Welcome constructive feedback on your changes from Swift programmers, and iteratively improve the experience of writing Swift.* Drive the testing, integration, and adoption of your changes into the development ecosystem.