Chetan K Jain loves to code and has been writing code for over 16 years. He is a Senior Architect and has worked on mobile technologies for over four years at Nokia. He has since moved out to work as a freelance consultant. Chetan has significant experience writing cross-platform mobile apps using jQuery Mobile, HTML5, CSS3, JavaScript, and Nodejs, and has also worked extensively on Qt. Prior to mobile technologies, he worked in Java and was also certified as a MCSD and MCSE in his early days. Chetan is an active contributor to open source development and tries to help jQuery Mobile development whenever he can. He regularly participates in developer forums and was earlier a top ranked member and a 'mad scientist' in the Nokia Qt Developer Forum. Chetan was born in Bangalore and lives there with his wife Shwetha and son Tanmay. The only time he ventured to live away from the city was when he worked for about four and a half years in the USA. His adventure didn't end there. He did a solo cross country drive across North America in 2003, driving alone for over 8000+ miles in 16 days to experience and live life as he calls it. Chetan has contributed and published over 15 books to Gutenberg as a volunteer. He has also published four books on Jaina Literature and History written by his mother Saraswathamma. He is a voracious reader and his other interests include photography, playing the keyboard, movies, and travel.