Work as freelancer developer to create a mobile application that help users search and buy sim data or register data 4G, 5G for sims that users are using.

Work as full-time mobile developer for Beeline (a startup located in Shanghai that founded by Darrin Ngo - the former engineer of Apple) to create an application that can auto switch ride-share apps (Uber, Lyft in US and Didi, Meituan in China) while driver is driving to help drivers can optimize income by filtering the most profitable trips and make both drivers and passenger safe when accept trips automatically and drivers can stay 100% focused on driving.

Work as full-time developer for Tripetch Isuzu Sales Co., Ltd (located in Thailand) to create an application that supports SM (Sale Manager) and SC (Sale Consultant) who are employees from Isuzu Motors Ltd., (one of the biggest company in Japan) to help SC can introduce the products of company and SM can manage every SC who in the same branch with SM about customers, revenue,...