The Application Developer III at Cencora plays a crucial role in the design, development, and support of enterprise eCommerce B2B applications. This position is integral to an eCommerce platform that generates over $70 billion in annual revenue across multiple storefronts. The developer will work within a dynamic team focused on enhancing, fixing, and adding new capabilities to applications built on the SAP Commerce solution, ensuring that application performance standards are consistently met. The role is based in Conshohocken, PA, with options for remote and hybrid work arrangements. In this position, the developer will be responsible for creating complex technical solutions using J2EE components and the MVC pattern in Spring MVC, as well as SAP Hybris. Responsibilities include building solutions with items.xml, flexible search queries, REST controllers, cron jobs, events, and back-office customization. The developer will also conduct code reviews, manage code merges, and ensure code quality through tools like SonarQube and JSLint. Analyzing server logs and troubleshooting issues will be part of the daily tasks, along with coordinating automation and load testing efforts. The Application Developer III will develop RESTful web services in J2EE using JAX-RS and will need a strong understanding of web services architecture and Service-Oriented Architecture (SOA). Proficiency in code versioning tools such as Git and Bitbucket is essential. The role also requires providing architectural insights into newer Java UI frameworks and server-side programming, as well as participating in architecture scrums to create proof of concept items. Familiarity with modern front-end build pipelines and tools, as well as optimizing components for performance across various devices and browsers, is also expected. Knowledge of React.js is a plus, along with experience in leading and mentoring development teams.