Web UI 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).

Key Responsibilities:

• Build and maintain Single Page Applications (SPAs) using Angular.
• Design and implement CRUD functionalities and modular components.
• Develop responsive, user-friendly interfaces using CSS and frameworks like Bootstrap.
• Optimize web application performance and address validation, error management, and edge cases.
• Collaborate with cross-functional teams to ensure seamless integration of UI/UX designs.

Job Description:

• Basic Qualifications Proficiency in Angular (AngularJS or Angular 2+).
• Strong skills in JavaScript, TypeScript, HTML5, and CSS3.
• Experience in building modular frontend architectures and reusable components.
• Familiarity with Angular features such as routing, directives, and services.
• Knowledge of responsive design principles and CSS frameworks like Bootstrap.
• Strong debugging and problem-solving skills.

Preferred Qualifications:

• 2+ years of professional experience in frontend development.
• Proven experience in building CRUD-based applications.
• Exposure to fintech or customer-facing domains is a plus.
• Experience with custom directives, Angular Pipes, or other frontend frameworks/libraries

What are the Key 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.

What are we looking for:

• Bachelor’s degree in computer science, information technology, or a similar field.
• 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, Webpack, Enzyme, Redux, and Flux.
• Experience with user interface design.
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills

Responsibilities:

• Design the overall architecture of the web application.
• Maintain code integrity, and quality, and ensure responsiveness of applications.
• Address and improve any technical issues.
• Building reusable components and front-end libraries for future use.
• Must have strong experience in designing and maintaining a database.
• Work with modern frameworks and design patterns, minimum one-year experience with Full stack paradigm required.
• Handle technical queries raised by the development team and provide support and guidance to them.
• Troubleshoot and debug issues, perform testing, and optimize application performance
• Collaborate with front-end and back-end engineers to design and create advanced, elegant, and efficient systems.

Skills:

• Strong proficiency with 3 - 5 years of experience.
• Expertise in Laravel and a good understanding of other core PHP frameworks using REST APIs.
• Professional, definite communication skills.
• Excellent knowledge of HTML, CSS, Ajax, jQuery, and JavaScript.
• Extensive experience in designing and maintaining databases such as MySQL.
• Mastery of CMS such as WordPress and Magento is an advantage.
• Comprehensive knowledge of version controlling – GIT.
• Creating self-contained, reusable, and testable modules and components.
• Optimizing client and server-side code for maximum speed.

As a member of the development group, you will be primarily responsible for the design, development, and maintenance of the product:  

• Help define and create full stack architecture and deployment using React- Django-AWS in an agile environment with lots of ownership and active mentoring 
• Work with the Product and Design teams to build new features to solve business problems and fill business needs 
• Participate in code reviews to create robust and maintainable code 
• Work in an agile environment where quick iterations and good feedback are a way of life 
• Interact with other stakeholders for requirement, design discussions and for adoption of new features 

• Communicate and coordinate with our support and professional services teams to solve customer issues 
• Help scale our platform as we expand our product across various markets and verticals globally 
•  

As a young, fresh startup, we are hoping to be joined by self-starting, hardworking, passionate individuals who are committed to delivering their best, who can grow into future leaders of FactWise. 

We are seeking a highly experienced and skilled React/Next.js developer to join our team. The ideal candidate will have a strong track record of building and maintaining web applications using React and Next.js, as well as a strong understanding of front-end development. 

Responsibilities: 

• Develop and maintain web applications using React and Next.js 
• Write clean, maintainable, and efficient code 
• Collaborate with the design team to implement visually appealing and user-friendly interfaces 
• Work with the back-end team to integrate with APIs and other server-side functionality 

• Troubleshoot and debug issues as they arise 
• Write and maintain comprehensive documentation 

Requirements: 

• Experience with Tailwind CSS to create custom, responsive user interfaces 
• Experience with CSS-in-JS libraries 

• Experience with Git, npm, and webpack 
• Familiarity with RESTful APIs and GraphQL 
• Strong debugging and troubleshooting skills 
• Ability to work well in a team environment and communicate effectively with other developers and designers. 

Preferred: 

• Experience optimizing performance and scalability of web applications 
• Familiarity with testing frameworks such as Jest 
• Experience with deploying and maintaining web applications 
• Experience with TypeScript 
• Familiarity with other JavaScript libraries and frameworks such as Redux, GraphQL, and Apollo, react-query

Job Description:

• Building reusable components.
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers.
• Understanding of ESLint and react pattern.
• 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
• Learn and understand user interactions
• Develop a flexible and well-structured front-end architecture, along with the APIs to support it

Skills and Experience

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Experience with popular React.js workflows and data structure libraries
• Familiarity with RESTful APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Familiarity with modern front-end build pipelines and tools
• Experience with common front-end development tools
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Familiarity with code versioning tools such as Git

Experience 2 years

Location: Mohali (Chandigarh)

Salary: 4-6 LPA

• Bachelor’s degree in Computer Science, Information Technology, or a similar field.
• At least 5-10 years' 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, Web pack, Enzyme, Redux, and Flux, Vuejs, Angular++, Python and latest technology skills.
• 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. Good project management skills.