react.js , Mongoose, Responsive Design, Jira, Rest Apis, Api Testing, Node.js, Asynchronous programming, Integration Testing, Git, Scrum, Agile, Authentication, Express.Js, Html5, Css3, Postman, Performance Tuning, Redux, MongoDB, Component lifecycle understanding, Data protection practices, Node.js debugging, Context API, Hooks, Promises, Authorization, UI state management