

- 3-4 years of experience in IT with 3 +minimum years of experience in React Development
- Previous experience working as a react.js developer.
- In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
- Knowledge of REACT tools including React.js, Enzyme, Redux, and Flux.
- Experience with user interface design.
- Knowledge of performance testing frameworks including Mocha and Jest.
- Experience with browser-based debugging and performance testing software.
- Excellent troubleshooting skills.
- Solid analytical and problem-solving skills.
- Strong interpersonal, written and verbal communication skills.
- Experience with gathering user requirements and understanding and interpreting requirements specifications
- Experience with full System Development Life Cycle is a plus
- Maintain time reporting on projects and provide timely updates to project milestones.

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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).

Sr. Frontend Developer at Gyaan.AI Private Limited
Are you a skilled and experienced Frontend Developer looking for an exciting opportunity to work with cutting-edge technologies?
Gyaan.AI Private Limited is seeking a talented Sr. Frontend Developer to join our dynamic team in Pune, Maharashtra, India. As a Sr. Frontend Developer, you will play a key role in designing and developing intuitive and responsive user interfaces for our Product. This is an onsite position with a hybrid work mode, offering flexible working hours to ensure a healthy work-life balance.
Responsibilities:
- Utilize your expertise in React JS and associated tooling (Redux, Jest, Cypress & BuildPacks) to deliver high-quality, production-level code.
- Apply your in-depth understanding of JavaScript (including TypeScript), asynchronous programming, closures, types, and ES6 or ES7 to develop robust and efficient frontend solutions.
- Demonstrate a thorough understanding of React.js and its core principles, including virtual DOM, data binding, state and props, the react lifecycle, and redux middleware such as Thunk or Saga.
- Leverage your experience with front-end technologies such as HTML5, CSS3, LESS, Bootstrap, and Material UI to create visually appealing and user-friendly interfaces.
- Ensure code quality and reusability by implementing code quality and CI/CD practices (eslint, prettier, CI/CD for front-end repos).
- Ensure cross-browser compatibility, responsiveness, and adherence to web accessibility standards.
- Apply software engineering best practices, including unit testing, code reviews, design documentation, debugging, troubleshooting, and agile development methodologies.
- Implement complex features such as authentication and authorization, I18N, logging, security, and testing into developer boilerplates to minimize production errors.
Requirements:
- 4+ years of production experience with React JS and associated tooling (Redux, Jest, Cypress & BuildPacks).
- 3 years of JavaScript (and preferably TypeScript) experience, including asynchronous programming, closures, types, and ES6 or ES7.
- Thorough understanding of React.js and its core principles, including virtual DOM, data binding, state and props, the react lifecycle, and redux middleware such as Thunk or Saga.
- Experience with front-end technologies such as HTML5, CSS3, LESS, Bootstrap, Material UI, etc.
- Experience with code quality and reusability practices (eslint, prettier, CI/CD for front-end repos).
- Knowledge of cross-browser compatibilities, responsiveness, and web accessibility standards.
- Strong understanding of software engineering best practices, including unit testing, code reviews, design documentation, debugging, troubleshooting, and agile development.
- Proven experience implementing complex features like authentication and authorization, I18N, logging, security, and testing into developer boilerplates to minimize production errors.
Must-Have Skills:
- ReactJS 16+
- Redux
- Redux middleware
- CSS, PostCSS, JSS (Critical)
- TypeScript / JavaScript
Qualifications:
- Bachelor's degree in computer science or equivalent experience.
At Gyaan.AI Private Limited, we offer a competitive salary that is best in the industry, along with a stimulating work environment where you can grow and develop your skills. We value collaboration and open communication, and you will have the opportunity to work with a talented and diverse team. If you are passionate about frontend development and want to be part of a leading AI company, we encourage you to apply.
To learn more about Gyaan.AI Private Limited, visit our website: [https://www.gyaan.ai](https://www.gyaan.ai)

Responsibilities:
● Develop and maintain front-end dependencies/codebase.
● Building responsive and elegant mobile & desktop web applications
● Good to have experience of one or more relevant languages (Python, Ruby, Node.js etc.)
● Work closely with the product manager, designer & development team to collaborate to develop the best in class web applications.
● Optimisation of the website as per industry trends.
● Evaluate competitive and innovative products and design approaches to identify best practices and encourage innovation.
Skills:
● Hands on experience in JavaScript / TypeScript
● Experience in modern web development technologies and techniques, including HTML5, CSS3.
● Experience in any of the frameworks: ReactJs/ Angular / VueJs.
● Experience in translating design mockups and prototypes into frontend applications.
● Experience in effective componentization/abstraction during design translation.
● Experience in effective state management strategies like redux and hooks to scale application better.
● Understands how to optimize the delivery of code and assets (e.g., images, fonts) to a browser or device (e.g.,lazy loading assets, using CDNs caching, compression, etc)
● Understands how to be efficient with resource usage (e.g., application impact on memory and CPU, caches as needed, respectful of customer's device limits etc).
● Good understanding and hands on with PWA (AMP is good to have).
● Good knowledge of version control systems.
● Good understanding of any of the following frontend frameworks, bootstrap, material-UI, semantic-UI.
● Ability to provide deliverables within specified deadlines with a quality bar.
● Excellent communication skills, both written and verbal
● Highly motivated, self-driven, self-learner
● Experience in flutter is good to have.
Responsibilities:
- Independent team member for analyzing requirements, designing, coding, and implementing our client's Conversation AI products.
- As our clients product expert work closely with IT Managers and Business Groups to gather requirements and translate those into the required technical solution.
- Drive solution implementation using the Conversational design approach.
- Develop, deploy and maintain customized extensions to the Avaamo platform-specific to customer requirements.
- Conduct training and technical guidance sessions for partner and customer development teams.
- Evaluating reported defects and the correction of prioritized defects.
- Travel onsite to customer locations for close support.
- Document how to's and implement best practices for Avaamo product solutions.
Requirements:
- Strong programming experience in javascript, HTML/CSS.
- Experience of creating and consuming REST APIs and SOAP services.
- Strong knowledge and awareness of Web Technologies and current web trends.
- Working knowledge of Security in Web applications and services.
- experience in using the NodeJS framework with good understanding of the underlying architecture.
- Experience of deploying web applications on Linux servers in production environment.
- Excellent communication skills.
Good to haves:
- Full stack experience UI and UX design experience or insights
- Working knowledge of AI, ML and NLP.
- Experience of enterprise systems integration like MS Dynamics CRM, Salesforce, ServiceNow, MS Active Directory etc.
- Experience of building Single Sign On in web/mobile applications.
- Ability to learn latest technologies and handle small engineering teams.


What you will do:
- Working with server-side JavaScript frameworks like Express based on Node.js
- Working in an Agile environment, particularly Scrum and JIRA
- Writing automated tests and testable code using Jest
- Connecting the UI with backend using REST API or GRAPHQL
- Transforming UX wireframes/design into responsive web pages
What you need to have:
- Minimum of 4 years (and above) experience in modern UI frameworks like ReactJS web/Native
- Experience and expertise in HTML, CSS and Javascript
- Familiar with UI design concepts and user interface design
- Experienced user of the GIT/GITHUB repository
- Experience with hands on UI development
- Experience in modern UI frameworks like ReactJS web/Native

- Determining the structure and design of web pages.
- Building reusable and efficient code for future use.
- Ensuring web design is optimized for smartphones.
- Use markup languages like HTML to create user-friendly web pages.
- Maintain and improve the website.
- Optimize applications for maximum speed.
- Collaborate with back-end developers and web designers to improve usability.
- Stay up-to-date on emerging technologies.
- Minimum 1+ years of experience as a Front-end Developer.
- Proficiency in HTML, CSS, JavaScript, and jQuery.
- Understanding of server-side CSS.
- Knowledge of basic SEO principles.
- Proficiency with JavaScript frameworks such as jQuery, Angular 2+.
- Significant experience of debugging using tools like Chrome Developer Console.
Responsibilities:
- Creating the website architecture.
- Designing and building the website front-end.
- Managing website back-end including database and server integration.
- Managing WordPress themes and plugins.
- Conducting website performance tests.
- Troubleshooting content issues.
- Monitoring the performance of the live website.
Skill Requirements:
- Proven work experience as a WordPress developer.
- Knowledge of front-end technologies including CSS3, JavaScript, HTML5, and jQuery.
- Knowledge of code version tools including Git, Mercurial, and SVN.
- Experience working with debugging tools such as Chrome Inspector and Firebug.
- Good understanding of website architecture and aesthetics.
- Ability to manage projects.
- Good communication skills.
- Bachelor’s degree in computer science or a similar field.

Wekan Company is hiring React.Js Developer for Chennai
Experience: Overall 4 – 7 years, relevant experience in React.Js - 2 years
Must Have Skills: React, Redux, ES6 and above, HTML5, CSS3
Good to have: Typescript
- Strong verbal and written communication skills, analytical skills and the ability to learn quickly.
- Creative approach to problem-solving with the ability to focus on details while maintaining the big picture view.
- In-depth understanding of Javascript, The DOM and relevant concepts.
- Experience of working on RESTful Web services.
- Responsive web development using HTML5, CSS3, JavaScript.
- Work with cutting-edge frameworks and technologies while advancing your skills along the way
- Developing new user-facing features using React.js and Redux
- Building reusable components and front-end libraries for future use
- Knowledge of WebPack.
- Good experience with any of the testing framework like mocha, jest, jasmine.
- Experience of working in an Agile environment with experience of using tools such as Jira.
- Good communication skills.
- Degree in Computer Science, Engineering or a related subject.
Best Regards
David



