IDfy - Full Stack Developer - Javascript/TypeScript

Fullstack Developer Responsibilities : - Design and implement efficient, reusable, and reliable frontend components. - Optimize web applications using advanced frontend performance techniques, such as lazy loading, virtual windowing for large lists, and bundle optimization. - Develop dynamic and responsive interfaces using HTML5 CSS3 and advanced DOM manipulation techniques. - Leverage Browser API sand handle complex scenarios like iframe embedding, cross-domain communication. - Implement secure and performant cookie handling practices and manage cross-domain communications securely. - Collaborate with the backend team to design and implement simple RESTful APIs and integrate them seamlessly with the frontend. - Collaborate with Product and Design to build intuitive and user friendly interfaces to translate user requirements into scalable solutions. - Debug and resolve performance bottlenecks across browsers and devices. - Stay updated with the latest frontend trends, frameworks, and tools. The core requirements for the job include the following : Frontend Skills : - Proficient in JavaScript (ES6), TypeScript; Knowledge of any modern library or frameworks is an advantage (e. g., React, Vue.js, or SolidJS/Angular). - Working knowledge of web-workers and service-workers - Deep understanding of the Document Object Model (DOM), DOM Events and its applications and manipulation. - Expertise in HTML5 including semantics, accessibility, and web standards. - Strong CSS skills, including layouts (Flexbox, Grid), animations, and pre-processors like SASS or LESS. - Solid understanding of browser rendering pipelines and performance optimization techniques (e. g., lazy loading, virtual windowing, and code splitting). - Knowledge of common frontend patterns such as debouncing, module patterns, and proxy patterns to create reusable and maintainable JavaScript components. Build and Performance Optimization : - Hands-on experience with module bundlers like Webpack, Vite, or Rollup. - Knowledge of tree-shaking, code splitting, and other best practices for optimizing frontend assets. - Expertise in building scalable applications with large data sets using techniques like virtual DOM and virtual scrolling. Browser and Security Awareness : - Proficiency with Browser APIs, including Web Storage, Device API, Service Workers, and Canvas API. - Experience managing cookies with emphasis on secure attributes like HTTP-only, Same Site, and Secure flags. - Understanding and implementation of cross-domain communication via frames and secure practices for handling such scenarios. Backend Awareness : - Ability to design and implement simple backend APIs using any backend technology (Elixir/Phoenix knowledge is a plus). - Basic understanding of API authentication mechanisms (e. g., JWT, OAuth). General : - Strong understanding of event loop concepts and their implications on frontend performance and responsiveness. - Excellent debugging and problem-solving skills. - Familiarity with Agile methodologies and CI/CD practices. - Strong written and verbal communication skills. (ref:hirist.tech)

Location: mumbai, IN

Posted Date: 3/26/2025