Must have: 

• Minimum of 4+ years of experience in writing clean JavaScript code;
• Solid experience and deep knowledge of Javascript frameworks like React, Nodejs, JavaScript, React Redux;
• Solid experience with design patterns and Object Prototype;
• knowledge of the core tenets of Accessibility;
• Understanding why performance optimization and security go a long way in developing a world-class product;
• Solid understanding of JavaScript fundamentals including a good understanding of asynchronous request handling, partial page updates, and AJAX as well as how Promises or Observables help us optimize it;
• Uncompromising attitude towards writing unit-testable and quality code using best practices of TDD and BDD with exposure to frameworks like Jest, Enzyme, Mocha, Chai, Qunit and the likes; 
• Knowledge of application vulnerabilities such as Cross Site Scripting (XSS), Cross Site Request Forgery (CSRF) etc;
• Good sense of design and knowledge of implementing it with the most efficient new age principles like SASS, LESS & styled-components;
• Solid understanding of the importance of cross-browser compatibility;
• Deep understanding of the overall UI development methodology and how Restful APIs play an important role in the same;
• Experience working in an Agile Scrum environment.

Nice to have:

• Experience with Figma - Design/UI components specifications;
• Experience with Documentation - Storybook and SuperNova.