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).

React JS Developer

📍 Location: Bangalore

💼 Experience: 4+ Years

📅 Notice Period: Immediate to 30 Days

Job Summary:

Experienced React JS Developer with 4+ years of hands-on experience in building scalable, high-performance web applications. The ideal candidate should have strong expertise in modern JavaScript, React ecosystem, and front-end best practices.

Key Responsibilities:

• Develop and maintain responsive web applications using React.js
• Build reusable components and front-end libraries
• Optimize components for maximum performance across devices and browsers
• Work closely with backend developers and UI/UX designers
• Integrate REST APIs and third-party services
• Write clean, maintainable, and scalable code
• Participate in code reviews and Agile ceremonies

Required Skills:

• 4+ years of experience in front-end development
• Strong proficiency in JavaScript (ES6+)
• Hands-on experience with React.js, Redux / Context API
• Experience with HTML5, CSS3, Bootstrap / Tailwind
• Knowledge of RESTful APIs integration
• Familiarity with Git and version control systems
• Understanding of Agile/Scrum methodology

Role: React UI Lead

Exp: 8+ Years

CTC: up to 30 LPA

Mode of Interview: 2 rounds onsite + 2 online

Required Skills and Qualifications: 

• Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent work experience). 
• Proven experience (>8 years) as a UI developer with expertise in HTML5, CSS3, JavaScript/TypeScript 
• Proven experience in front-end frameworks React (must), Angular(good to have), Vue.js(good to have). 
• Solid understanding of responsive web design, accessibility, and cross-browser compatibility. 
• Experience leading a team of UI developers in an agile environment. 
• Strong problem-solving skills and ability to troubleshoot complex issues. 
• Excellent communication skills with the ability to collaborate effectively with cross-functional teams. 
• Experience with version control systems (e.g., Git) and CI/CD pipelines. 
• Experience with UI testing frameworks and tools (e.g., Jest, Cypress) is a plus. 
• Knowledge of UX design principles and familiarity with UX design tools (e.g., Sketch, Adobe XD) is desirable. 
• Ability to prioritize and manage multiple tasks in a fast-paced environment. 
• Experience building a UI for multi-tenant SaaS platform. 

About our Client

Our client is a B2B2C tech firm backed by India’s largest retailer and tech venture capitalist founded by founders - IITB Graduates who are experienced in retail, ecommerce and fintech

It aims to become one app to manage all your brands loyalty points, cashback and coupons. It will have additional content and discovery layer for customers and brands for further engagement and commerce.

The company currently powers closed-loop loyalty programs for all different brands under its parent retail group. Currently, it has 20Mn+ registered customers and 3Mn MAU across 8 brands. Its vision is to be at the center of D2C Brands and the consumer consumption ecosystem

Job Location -Bangalore

Requirement

4+ years ​of experience building frontend for ​consumer facing​ products

- 2+ years​ experience on   ​React Native ​ and core principles

- Good to have experience with popular React.js

 - 1+ years ​of ​Team Lead/Management ​experience

- Develop all user-facing products in React

-Solid SQL / relational database experience MySQL is a plus

-  Thorough understanding of ​architecting​ the frontend system with ​Server Side   Rendering –

- Familiarity with modern front-end build pipelines and tools

 - Understands ​app development cycle

-Flexibility and deadline driven

Regards
Team Merito

Looking for Senior Front End React JS Developer responsible for development and maintenance of complex business system. Passionate to be part of young and fast paced growing high-end Tech start up

Roles and Responsibilities:

• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing application requirements and interface designs.
• Identifying web-based user interactions.
• Developing and implementing highly responsive user interface components using React concepts.
• Writing application interface codes using JavaScript following React.js workflows.
• Troubleshooting interface software and debugging application codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting application changes and developing updates.

Behavior:

• Takes ownership in leading the work & result oriented to see through delivery commitment
• Innovation / Continuous improvement
• Teamwork & Collaboration
• Positive attitude & Role Model
• Customer Focus
• Effective Communication
• Establish guidelines/best practices
• Stake holder management

Qualifications:

• B.Tech/M.Tech/MCA/Msc. (Computers)
• 3+ years relevant experience

Technical Skills:

• Experience developing front end web applications using React.JS
• Experience working with React.JS components
• Hands-on experience with state management using Redux.
• Experience building responsive web applications
• Tech skills - JavaScript, jQuery, CSS3, HTML5, Bootstrap
• Comfortable with integrating RESTful APIs.
• Experience solving cross browser compatibility issues
• Knowledge of good design practices and website architecture
• Very strong quantitative and analytical skills
• Experience with Native iOS and Android app development a plus
• Knowledge of ASP.NET MVC would be nice

• Developing and implementing highly responsive UI
• Design software with great UX
• Produce clean and efficient code
• Troubleshoot, debug and upgrade existing software
• Management of entire end-to-end project pipeline

• Strong working knowledge of React JS and Redux
• Experience with JavaScript and CSS
• Experience with REST APIs
• Familiarity with browser testing and debugging
• In-depth understanding of the entire web development process (design, development and deployment)
• Understanding of layout aesthetics
• Git knowledge is a plus
• Comfortable in working in Linux based environment

• Develop new product features and new applications within an Agile
• Build reusable code and libraries for future
• Write well-designed, testable, efficient code using the latest development best
• Collaborate with designers to implement and improve design
• Optimize applications for maximum speed and
• Stay up-to-date on emerging
• Contribute to the continuous improvement of the development

• Passion to build world class UI design
• 5+ years of experience developing web applications with modern JavaScript programming frameworks, tooling and libraries (such as Backbone, Angular, React, Vue.js, Ember) and CSS pre-processing frameworks (such as Sass or Less)
• Minimum one-year experience in developing js applications in team environment.
• Experience with state management frameworks like Redux
• Experience writing unit tests
• Familiarity with common front-end development tools such as Babel, Webpack, gulp, npm- scripts
• Any experience building, launching or supporting a SaaS product

• Responsible for development of new highly-responsive, web-based user interface
• Construct visualizations that are able to depict vast amounts of data
• Work and collaborate with the rest of the engineering team
• Work with product team and graphic designers
• Learn and understand user interactions
• Develop a flexible and well-structured front-end architecture, along with the APIs to support it