Modern three-tier architecture, Java programming language, business logic layer, presentation layer, data access layer, server-side rendering, cloud computing background, sleek minimalist coding style, clean code structure, modular design, scalable system, real-time data processing, robust security measures, advanced caching mechanism, load balancing, clustering, high availability, disaster recovery, DevOps practices, Agile development methodology, J2EE framework, EJB components, Hibernate ORM tool, Spring Boot framework, RESTful API integration, JSON data interchange format, XML configuration files, Maven project management tool, Eclipse IDE development environment, code reviews and testing.