Harsh Rajat is Founder at Ethereum Push Notification System (EPNS). I am a blockchain enthusiast and a serial entrepreneur with 10+years of global experience with start-ups, medium size businesses, and Fortune 500 companies. I have extensive experience in architecting, designing and developing various projects including iOS app, Android apps, Web services and Websites including the tech stack and the Web Servers. Some of the notable projects that I have worked on are 360 Web Browser (one the first 3rd party web browser on iOS), aintviral.com (viral user aggregated content site) and grabshack.com (machine learning based product comparison site). Specialties: Objective-C Swift Cocos 2d Chipmunk Physics Engine Java PHP JQuery MySQL Wordpress Liferay Skills: Agile Methodologies Enterprise Apps/Utilities Apps/Gaming Apps including Physics Engine Strong OO design and coding skills APIs for mobile platforms with extreme focus on optimization and reusability Extending Wordpress/creating Wordpress Plugins UI/UX Benchmarking and optimization SVNs integrations including Github Cross-Platform optimization including optimization of data and structural parts to ensure faster compatibility of platforms Experience of architecting/re-architecting of apps with extended scalability Excellent skills in developing test cases to ensure scalability and robust performance