Ness Digital Engineering is looking for a highly skilled Sr Technical Application/Product Architect with deep experience in modernizing legacy systems, designing scalable solutions, and utilizing open-source technologies. This role will be pivotal in leading the architecture and development of enterprise-level applications with a focus on upgrading and enhancing core systems using the latest technologies. Key responsibilities include architecting & designing modernization solutions, technology upgrades, API development & integration, XSLT & XML transformation, security implementation, legacy system coexistence, tag libraries & configuration management, and AI-driven code improvements. The ideal candidate will have expert-level knowledge of Java, Spring, and experience with modernizing legacy systems, migrating from Java 11/17 to Java 21, and replacing Axis 1.0 libraries with modern REST APIs. This individual will also have a strong understanding of AI-driven models for code improvements and experience with a range of open-source tools and technologies.