Upkar Lidder serves as a senior software engineer at IBM, bringing over a decade of experience in IT development, including significant roles in team management and technical leadership. His expertise spans full-stack technology, with a current focus on Machine Learning and Artificial Intelligence. As an active member of the tech community, he regularly shares his knowledge through speaking engagements at conferences and participation in local tech groups and meetups. His technical portfolio includes extensive work with serverless applications, Apache OpenWhisk platform, and various aspects of cloud-native development. After completing his graduate studies in Canada, he now resides in the United States, where he contributes to IBM's developer initiatives while also serving as an instructor for numerous courses in web development, DevOps, and mobile application development using Flutter and Dart.

Sachin Jambur is a skilled software developer at IBM, specializing in back-end development and scalable application architecture. With expertise in modern web technologies, Sachin focuses on leveraging frameworks like Node.js and Express to create robust and efficient server-side solutions. His knowledge and practical experience are reflected in the course Developing Back-End Apps with Node.js and Express, where he guides learners through the process of building high-performance back-end applications.