After completing his studies, Jain worked at Tata Consultancy Services and later joined Trilogy, a software company based in Austin, Texas.[4] He worked at Trilogy for several years in various roles related to product development and management.[5]
In 2006, Amit Jain returned to India and along with his brother Anurag Jain established GirnarSoft, an IT outsourcing company based in Jaipur.[6] In 2008, the brothers launched CarDekho after attending the Auto Expo in New Delhi.[7] The platform was created to help users compare vehicles and access automotive content.[8] Under Amit Jain's leadership, the CarDekho Group expanded into related verticals, both domestic including BikeDekho, CollegeDekho, InsuranceDekho, Zigwheels and rupyy, a digital lending platform and overseas projects.[9] The company raised multiple rounds of funding from investors such as Peak XV Partners, Hillhouse Capital, and Ratan Tata Trust.[10] In 2021, it was reported that CarDekho achieved unicorn status with a valuation of over $1 billion.[11]
Jain joined the Indian business reality television series Shark Tank India as an investor during its second season.[12][13] He joined the panel alongside Vineeta Singh, Anupam Mittal, Peyush Bansal, Namita Thapar, and Aman Gupta, who had been part of the show since its first season. Jain appeared as a judge in both the second and third seasons.[14]