Harihara Subramanian works for the SABRE Corporation as a senior principal software architect. Hari has been working with software development and various software architecture concepts since 1999. He is an energetic and highly focused technology leader with a proven track record in software development, software architecture principles, and implementations. He has been an active contributor to various online and offline forums in different technologies, and focuses his time on technology consulting, software development, microservices architecture (MSA), Service-oriented architecture (SOA), and more.

Pethuru Raj (PhD) works as the chief architect at the Site Reliability Engineering Center of Excellence, Reliance Jio Infocomm Ltd. (RJIL), Bengaluru. Previously, he worked as a cloud infrastructure architect at the IBM Global Cloud Center of Excellence, IBM India, Bengaluru. He also had an extended stint as a TOGAF-certified enterprise architecture consultant in Wipro Consulting's services division and as a lead architect in the corporate research division of Robert Bosch, Bengaluru. He has more than 17 years of IT industry experience and 8 years' research experience.