Jerald Selvaraj is an Experienced Principal Application Architect at Novo Nordisk with over 20 years in software development. His expertise includes web applications, customer data platforms, journey management, and digital marketing. Building robust, scalable software and leading significant teams are his passions. He has built scalable pharmaceutical, financial, insurance, and media platforms for Fortune 500 firms including Allstate, Charles Schwab, and Citigroup Global Wealth Management. His expertise in establishing digital platforms for investment advisors, insurance agents, and customers has helped him advocate for them. He is a technology lover who shares e-commerce site architecture, development, customer journey management, and digital marketing best practices. He is an expert by touch. His experience includes RDBMS, SQL, NoSQL, container services, microservices, cloud-native architectures (AWS, Azure), REST API, API Management (3Scale Portal), Angular, and ReactJS, as well as AI/ML, enterprise architecture, and MarTech platforms.