As the Director of Software Engineering at Optum, John Stewart brings over 25 years of extensive experience in leading global teams to deliver innovative solutions across various industries, including healthcare, investment banking, enterprise software, and telecommunications. His current role is pivotal in spearheading the development...
As the Director of Software Engineering at Optum, John Stewart brings over 25 years of extensive experience in leading global teams to deliver innovative solutions across various industries, including healthcare, investment banking, enterprise software, and telecommunications. His current role is pivotal in spearheading the development of a sophisticated rules engine and priority scheduler that underpins UnitedHealth Group (UHG)/Optum’s mail order pharmacy services. This initiative not only aims to streamline operations but also has the potential to generate millions of dollars in annual savings for the pharmacy sector, showcasing John's commitment to driving efficiency and cost-effectiveness in healthcare delivery.
John's expertise in developing scalable full-stack cloud solutions is complemented by his deep knowledge of building multi-threaded, low-latency applications. His recent project involved a significant architectural transformation, where he successfully converted an original object-oriented design to a functional design within a tight six-month timeframe. This transition was marked by weekly releases, demonstrating his agile approach to software development and his ability to lead teams through complex challenges while maintaining a focus on quality and performance.
With a robust skill set that includes Java, XML, Spring Integration, and parallel computing, John is adept at integrating advanced technologies to enhance system capabilities. His leadership style fosters collaboration and innovation, empowering his team to explore out-of-the-box solutions that meet the evolving needs of the healthcare industry. As he continues to drive impactful projects at Optum, John Stewart remains a key figure in shaping the future of healthcare technology, ensuring that solutions are not only effective but also sustainable in an ever-changing landscape.