Born and raised in Chandigarh, Bansal graduated from Indian Institute of Technology Delhi in 2003 with a degree in engineering in computer science. He originally wanted to be a professional gamer. In 2006, He joined Amazon.com as a s senior software Engineer . Soon he and Binny Bansal, a fellow Amazon.com Engineer, left Amazon to start Flipkart.
After completion of degree Sachin Bansal joined Techspan company where he has served for few months. In 2006, he joined Amazon.com India as Senior Software Engineer. Then he got Binny Bansal into the Amazon.com and after 6 months they both decided to leave Amazon.They initially thought of starting a comparison search engine, but realized that the market for E-commerce in India was very small. Hence, after leaving Amazon in 2007, they founded Flipkart as an E-commerce company.
Sachin Bansal and his Business partner Binny Bansal launched Flipkart from an apartment in Bangalore with 400,000 rupees ($6,500) cash. In 2007 during the early days of Flipkart Sachin Bansal and his Business partner Binny Bansal used to deliver books across Bengaluru on their scooters and in October 2015 they showed up at the doorsteps of some customers, personally delivering goods in order to gain insights from the online buyers. He was removed as a CEO of Flipkart based on performance ground in August 2016.
Bansal is 65th on Forbe's 2016 Indian Billionaires List with his net-worth valued at $1.2 billion in March 2016. Bansal gained 23 spots on the Forbes India Rich list from 2015 when he was 86th on the list.