• Lead end-to-end performance analysis across frontend, backend, and infrastructure layers. • Profile and optimize application code, APIs, and database queries for maximum efficiency. • Investigate and resolve performance bottlenecks using observability and monitoring tools. • Collaborate with development, DevOps, and product teams to design scalable, high-performance solutions. • Build and maintain performance dashboards, metrics, and automated monitoring systems. • Conduct root cause analysis for performance incidents and drive long-term improvements. • Develop and implement strategies for continuous performance optimization and capacity planning. • Stay current with industry trends, tools, and best practices in performance engineering.