• Lead root cause analysis on client performance issues and conduct post-mortems. • Profile application code to isolate inefficient algorithms, memory leaks, and other issues; recommend and implement fixes. • Set up performance monitoring, alerting, and dashboards to proactively identify and resolve client performance problems. • Analyze client traffic patterns, load testing results, and other metrics to establish benchmarks and drive improvements. • Advocate for performance best practices and set client performance standards across the engineering organization. • Identify infrastructure improvements (caching, CDNs, database optimization) to enhance client experience. • Collaborate with development teams to embed performance as a core requirement in new feature development.