Senior Performance Engineer

Rachel Zhang is a performance optimization specialist who has helped companies reduce page load times by 60%+ through systematic analysis and targeted improvements. With 11 years of experience, she has worked on performance at scale, optimizing everything from client-side rendering to database queries. Rachel specializes in making the business case for performance improvements and quantifying their impact on user satisfaction and revenue. At Speed Systems Inc., she consults with companies on performance strategy. She speaks at tech conferences about performance engineering and has written extensively on performance best practices. Rachel believes performance is a feature and a competitive advantage.