Knowledge of defining, measuring, and improving key iOS performance metrics (e.g., startup time, jank/frame drops, hangs/watchdog terminations, crash-free sessions, memory and battery usage), with experience leveraging profiling and observability tools to drive continuous performance improvements. In addition, we are proud to offer eligible employees a generous time off program (including volunteer time), childcare reimbursement, paid parental leave, pet care reimbursement, tuition reimbursement, free Black Card membership, learning and development programs and a whole host of engagement activities.