Mariappan Ayyarrappan

Principal Software Engineer with over 17 years of experience building scalable financial analytics platforms, secure enterprise systems, and high-performance web applications. At Invesco, architected a robust frontend platform from the ground up using Next.js, React, and Node.js. Previously at Tenable, led application security initiatives and optimized cloud security infrastructure, delivering $120K in annual savings. His career spans industry leaders including Macy's and Matrimony.com, with deep expertise in frontend architecture, API integration, middleware engineering, and application security across AWS, GCP, and Azure. A published researcher and IEEE Senior Member, Mariappan has authored papers on topics ranging from scalable frontend architectures and JavaScript performance optimization to microservices and asset management platforms. Passionate about building secure, resilient web systems and sharing practical engineering insights with the developer community.