As a senior Full-Stack JavaScript developer from 2012, with 7+ years of experiences in web/software development, especially JavaScript. About the Back-End, in details, achieved a wide and deep knowledge and skills with presented modern skills, Node.js, Ruby on Rails, ASP.NET in RDBMS and Non-RDBMS in 5+ ability and expertise moderated teams. Specialized in building and deploying 15+ modern, usable, useful, well-constructed websites and applications using Node.js, Express, Sequelize, Koa, Knex, Mongoose, MySQL, MongoDB, AWS EC2 and Azure Services. About 3 projects, implemented and managed 20k+ recommended users with well-designed databases, 1k+ tables with 600k+ rows. And have strong skills in MERN, MEAN and MEVN stacks with 10+ perfectly developed and demonstrated web applications. About the Front-End, building high performing presentations, layers, building reusable components and performance optimization with JavaScript, HTML and CSS. Specialized in building 20+ usable, useful, well-constructed websites and demonstrated applications using React, Angular and Vue. About 2 projects, implemented 10k+ users with well-designed user interface components and the overall applications are robust, easy to maintain and resolved 1k+ errors in presented app. Also, lots of experience in team-work development with remote, GitHub, GitLab and BitBucket with source recommended tools, Slack and Jira with team instructed tools, Slack and Rocket-Chat with team communicated platforms. If want to build the best-quality and perfect web applications, will help to succeed the project to the first all over the world. I`m always open for the interesting jobs and new challenges, ready to start it immediately. Kind Regards. XueLong
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