Android , Competitive Programming

Hi, I’m a english learner, father and professional software engineer(iOS,Android,Flutter,Backend). I want to make people happy through my software.

Book Marketing Tools exists to empower #authors with helpful tools, book marketing education and tips, and a community of like-minded authors. #bookmarketing

Chief Elastic Ninja @full360 & Founder @giveatweet, BI, Cloud, DevOps, and OLAP Geek