You will:* Triage and reproduce issue reports from Swift users* Identify the root causes of performance or code size problems in compiled code* Design and implement Optimizer improvements* Collaborate on long-term architectural improvements to our compiler pipelineIn the process, you will be deeply involved in the continuing evolution of the Swift language, runtime, and associated software stack. Over time, we will expect you to develop a deep understanding and ownership of some key pieces of our software architecture and expand your collaboration with domain experts across the entire language implementation.As part of the Swift Performance effort, you will benefit from:* A supportive and tight-knit team* Technical and career mentorship* Access to experts across all areas of modern hardware and software development* A robust benefits package and a healthy work-life balance