React.js Developer

Position Title : Frontend / Chrome Extension Developer (React + TypeScript)

Experience : 3+ years

Location : Remote

Job Role Summary :

Build and ship production-ready Chrome extensions that inject UI into existing web apps. Own content scripts, DOM integration, performance, and accessibility (WCAG 2.1 AA).

Mandatory Skills :

React, TypeScript, Chrome Extensions (MV3), Content Scripts, DOM Injection, MutationObserver, TailwindCSS/CSS Modules, Accessibility (WCAG 2.1 AA).

Key Responsibilities :

• Develop Chrome extensions using React + TypeScript.
• Inject and manage UI components within third-party web app DOMs.
• Write and maintain content scripts; handle dynamic pages via MutationObserver.
• Implement clean, responsive styling with TailwindCSS or CSS Modules.
• Ensure accessibility (WCAG 2.1 AA), keyboard navigation, and ARIA semantics.
• Integrate with APIs, manage extension permissions, storage, and messaging.
• Optimize performance, handle edge cases across sites, and write basic tests.

Required Skills :

• Strong React + TypeScript in production.
• Chrome Extension architecture: manifest v3, content/background scripts, messaging, permissions.
• DOM manipulation and safe UI injection strategies.
• MutationObserver, event delegation, handling SPA route changes.
• TailwindCSS or CSS Modules; solid CSS fundamentals.
• Accessibility (WCAG 2.1 AA) and cross-browser compatibility (Chromium/Firefox optional).
• Familiarity with build tooling (Vite/Webpack), linting, and Git.

Nice-to-Have :

• Experience with service workers, storage (sync/local), and i18n.
• Testing with Jest/RTL/Playwright.
• Security basics for extensions (CSP, sandboxing).

Location: Gurgaon, Pune, Bhopal, Jaipur, Chennai, Bangalore

Work Mode: Hybrid (2 days WFO)

Experience Required: 5+ Years

Notice Period: Immediate Joiners Preferred

Job Overview

We are looking for a skilled and experienced ReactJS Developer to join our growing engineering team at Deqode. The ideal candidate will have a solid foundation in front-end development and a passion for building scalable, user-friendly web applications.

Key Responsibilities

• Develop responsive and modern web applications using ReactJS.
• Collaborate with cross-functional teams including UI/UX, backend, and QA.
• Build reusable components and front-end libraries for future use.
• Optimize applications for maximum speed and scalability.
• Integrate RESTful APIs and manage application state using Redux or Context API.
• Write clean, maintainable, and well-documented code.
• Perform unit testing and participate in code reviews.

Required Skills

• Strong proficiency in ReactJS, JavaScript (ES6+), and TypeScript.
• Deep understanding of React lifecycle methods and hooks.
• Experience with Redux, Context API, or similar state management tools.
• Knowledge of HTML5, CSS3, SASS, and responsive design principles.
• Familiarity with build tools like Webpack, Babel, and version control (Git).
• Experience integrating third-party APIs and libraries.
• Knowledge of Agile/Scrum methodologies.

Must-Have Qualifications

• Bachelor’s degree in Computer Science, Engineering, or related field.
• 5+ years of experience in front-end development.
• Strong problem-solving skills and attention to detail.
• Excellent communication and teamwork abilities.

About the Role

We are seeking an experienced Senior React Web Developer to join our product development team. As a Senior React Web Developer, you will be responsible for developing and maintaining our web applications using ReactJS and Material UI. You will work closely with other developers, designers, product managers, and stakeholders to create high-quality, user-friendly, and scalable software.

Key Responsibilities:

● Design and develop high-quality, responsive, and user-friendly web applications using ReactJS and Material UI.

● Collaborate with product managers, designers, and stakeholders to ensure the project meets the business requirements and user needs.

● Write clean, maintainable, and efficient code.

● Optimize the application for maximum speed, scalability, and usability.

● Develop reusable UI components and libraries.

● Ensure the technical feasibility of UI/UX designs.

● Identify and troubleshoot bugs and issues.

● Stay up-to-date with the latest trends and technologies in ReactJS, Material UI, and front-end development.

● Participate in code reviews and contribute to the development of best practices.

● Mentor and guide junior developers in the team.

Requirements:

● Bachelor’s degree in computer science or related field.

● At least 7 years of experience in front-end development, with at least 4 years of experience in ReactJS and Material UI.

● Strong proficiency in JavaScript, CSS, HTML, and related web technologies.

● Experience with Redux, Redux Saga, and other state management libraries.

● Experience with building scalable and complex web applications.

● Strong problem-solving skills and attention to detail.

● Experience with Agile development methodologies.

● Strong communication and collaboration skills.

● Experience with Git and version control.

● Ability to work independently and as part of a team.

Preferred:

● Experience with GraphQL and Apollo Client.

● Experience with server-side rendering using Next.js.

● Experience with AWS or other cloud providers.

● Experience with CI/CD pipelines and automation.

● Experience with testing frameworks like Jest, Enzyme, or Detox.

● Experience with UX/UI design and prototyping tools.

We are seeking a talented React Developer with hands-on experience in MUI and Tailwind CSS, as well as expertise in state management tools such as Saga and Redux. The ideal candidate should have a passion for front-end development, an eye for design, and be comfortable working in a fastpaced environment. You will be responsible for creating user interface components using React.js, React Native integrating with RESTful APIs, and collaborating with cross-functional teams to build web applications.

Responsibilities:

 Build new user-facing features using React.js, React Native and other front-end technologies

.  Develop reusable components and libraries for future use.

 Collaborate with the development team to design and implement RESTful APIs.

 Translate designs and wireframes into high-quality code.

 Create responsive HTML designs based on wireframes built on PSD, Figma, and ETC. to work across mobile and web browsers.

 Develop and implement front-end architectures and design patterns.  Stay up-to-date with emerging trends and technologies in front-end development.

 Write unit tests and integration tests to ensure code quality.

 Ensure code follows best practices and coding standards.

 Work collaboratively with UX designers and product owners to ensure a seamless user experience

Role : Frontend Developer

Department : Technology Team

Experience : 2 - 3 Years of working experience in Frontend 

Proficiency using modern web development technologies and techniques, including

(HTML5, JavaScript) 

Location : South Delhi; 5 Day Working

Qualification : Bachelor’s degree in Computer Science or related field

Major Skills : JavaScript and ES6; HTML5/CSS3, Minimum 1 year flutter experience, etc

Requirements :

• Experience with Node.js as a backend framework and MongoDb or dynamodb (NoSQL)
• Experience with AWS and bitbucket
• Knowledge of integrating HTML with JAVA

Responsibilities :-

• Experience working with front-end web development and have worked on frameworks

like react js, angular js and / or Flutter

• Architect and develop a scalable and maintainable website/app
• Proven experience in troubleshooting, investigated and solved UI performance issues
• Architect solutions, establish best practices and introduce/implement new technologies.

• Knowledge of industry standard software best practices, development lifecycle processes and Agile and SCRUM methodologies

Preferred Qualities :-

• Ability to meet deadlines
• Assertive and go getter attitude
• Strong team player
• Analytical mind
• Relationship building
• Strong data understandings
• Strong problem-solving skills

Responsibilities

• Delivering a complete front end application
• Ensuring high performance on mobile and desktop
• Writing tested, idiomatic, and documented JavaScript, HTML and CSS
• Coordinating the workflow between the graphic designer, the HTML coder, and yourself
• Cooperating with the back-end developer in the process of building the RESTful API
• Communicating with external web services

Skills and Qualifications

• Proficiency with JavaScript and HTML5
• Professional, precise communication skills
• Deep knowledge of AngularJS practices and commonly used modules based on extensive work experience
• Creating self-contained, reusable, and testable modules and components
• Ensuring a clear dependency chain, in regard to the app logic as well as the file system
• Ability to provide SEO solutions for single page apps
• Extensive knowledge of CSS and JS methods for providing performant visual effects and keeping the framerate above 30fps at all times
• Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
• Validating user actions on the client side and providing responsive feedback
• Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed
• Creating custom, general use modules and components which extend the elements and modules of core AngularJS
• Experience with all levels of operation available to the front-end, such as from creating XHRs in vanilla JS to using a custom wrapper around $resource
• Experience with building the infrastructure for serving the front-end app and assets
• Architecting and automating the build process for production, using task runners or scripts
• Documenting the code inline using JSDoc or other conventions
• Writing extensive unit tests using automated TDD tasks
• Creating e2e test suites for all components, and running them with Protractor (or a well reasoned alternative)
• Creating configuration, build, and test scripts for Continuous Integration environments