Here are the extracted keywords in the format you requested: React, Next JS, Node JS, JavaScript, TypeScript, HTML5, CSS3, SASS, LESS, jQuery, Bootstrap, ES6, Front-End Development, Web Development, UI, UX, Git, Jest, Mocha, Cypress, Jasmine, JS Lint, We

Here is the rewritten job description in 150 characters:

Design, develop, and maintain scalable web applications using Next.js, React, and Node.js. Proficient in HTML5, CSS3, JavaScript, and front-end development. Expertise in web performance, SEO, and security. Collaborate with UX/UI designers and backend developers.