Integration of user-facing elements developed by front-end developers with server-side logic.- Writing reusable, testable, and efficient code.- Design and implementation of low-latency, high-availability, and performant applications.- Implementation of security and data protection.- Integration of data storage solutions {mysql, redis}.- Understanding the requirements and planning the implementation accordingly.- Good interaction with the team. Good debugging skills.- Strong proficiency with JavaScript {optimized code}.- Knowledge of Node.js and frameworks available for it {sequelize}.- Understanding the nature of asynchronous programming and its quirks and workarounds.- Optimization in terms of memory and time.- Good understanding of server-side templating languages.- Basic understanding of front-end technologies, such as HTML5, and CSS3.- Proficient understanding of code versioning tools, such as Git.