BackboneJS ReactJS developers/Leads

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).

We are looking for a Frontend Developer. As a Frontend Developer, you should be comfortable with Front-end languages, Frameworks, and third-party Libraries. You should also be a team playerwith a a knack for visual design and utility.

Responsibilities:

• Work with development teams and product managers in agile methodology
• Design client-side architecture
• Build the front-end of applications through appealing visual design
• Troubleshoot, debug and upgrade software
• Build features and applications with a mobile responsive design

Requirements:

• Proven experience as a Frontend Developer or similar role.
• Knowledge of multiple front-end languages and libraries (e. g. HTML/ CSS, JavaScript, XML, jQuery).
• Sound Knowledge of ES5 ES6 Javascript Standards
• Knowledge of multiple JavaScript Libraries/frameworks (e. g. React, Angular).
• Knowledge of multiple Global State Management Library (e. g Redux).
• Knowledge of Class-Based Component and Functional Components(Hooks)
• Familiarity with UI/UX design (Mobile Responsive).
• Excellent communication and teamwork skills.

·  4 – 5 years of experience in Front end development

·  2 years of experience using React and Redux

·  3 years of experience in using HTML, CSS

·  1 year of experience in any of the Headless CMS such as Ghost or Strapi or Cockpit.

·  2+ years using JavaScript consuming, displaying and updating data using Web APIs (JSON).

·  2+ years of experience using Material UI and JSS.

We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.

• Developing new user-facing features using React.js

• Building reusable components and front-end libraries for future use

• Translating designs and wireframes into high quality code

• Optimizing components for maximum performance across a vast array of web-capable devices and browsers

• 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.

Roles and Responsibilities

• Lead the delivery of high quality, innovative, flexible, cost-optimized and scalable technical solutions that meet business requirements
• Design, Develop, test and maintain software applications with MVC architectures, Micro services and scalable cloud native apps.
• Perform hands-on coding and provide thoughtful code reviews
• Mentor and lead team members to continuously improve quality and productivity of deliverables
• Demonstrate ability to work within an agile team as well as collaborate with many other teams on design and implementation strategies. Follow SCRUM Agile Development methodology
• Effective Communication Skills- An ability to express your ideas to the recipient & Co-ordinate and communicate with cross functional team along with client's team
• Problem Solving, Hustler - Get Stuff Done, Self-Disciplined Open-minded, User Focused, Adaptive
• Lean Principles & Analytical Thinking
• Project planning, timelines and milestones for execution and deliverables
• Participate into the Evaluation Review of your team member

Desired Candidate Profile

• Experience in building enterprise web application using ReactJS as the frontend framework
• Experience with Redux and React Hooks
• Expert in HTML5, CSS3
• Experience in Bootstrap4 or CSS pre-processor like Less or Sass is highly desirable
• Strong knowledge of best practices and modern web design trends is necessary.
• Some experience with modern web-based typography.
• Excel at rapid prototyping and at writing good code.
• Experience with testing/debugging in multiple browsers and platforms.
• Expertise in using Javascript
• Should have worked on REST client and WebSockets
• Should be able to write Unit testing using any one of the frameworks like Cypress, Jasmine, Karma, Jest , Enzyme or any other similar framework.
• Should have experience in either one of the Build scripts like Gulp or Grunt or Webpack
• Low-Latency UI, Page optimization, and bundle build+caching
• Problem-solving and debugging skills
• Component-based architecture

• Hands-on design and coding are mandatory.
• Design and develop new features and functionality for a consumer e-commerce product with rich UI content.
• 5+ years of experience in building single-page applications using modern JS frameworks.
• Expertise in React JS, ES6, HTML5, SCSS, and related technologies.
• Experience building front-end for products from scratch.
• Experience in building REST API, preferably using .Net Web API.
• Should have good experience with application design, implementation, maintenance, diagnosing/correcting issues, and maintaining compliance with industry security standards under minimal direction.
• Research and evaluate new software, frameworks, and techniques to provide recommendations to the division.
• Implement defect free quality code by writing appropriate unit-tests and regression tests.
• Should possess excellent Interpersonal and communication skills.
• Bachelor's degree in Computer Science or a technical field.

Position Details:  

Client Domain:  Online Real estate platform 

Job Title: MTS/ SMTS

Location: Gurugram/ Remote

Duration: Full Time

MTS/ SMTS (Sr/ Software Development Engineer- JavaScript, React, Redux, React Router, GraphQL HTML and CSS).

Would you like to be using your Software Development skills to help revolutionise India's leading online real estate platform? You could be working alongside a highly intelligent and passionate team within a fantastic working environment where you'll be able to enjoy perks including salaries, benefits, work-life balance, management, job security etc.

Successful software houses are seeking a MTS/ SMTS to work on their intelligent technology platform that possess vast experience and knowledge of real estate in India. You'll be part of, architecting and building parts of the microservices platform, whilst building features into the front end products utilising JavaScript, ReactJS, Redux, GraphQL, HTML and CSS.

About Us:

Specialties:- Real Estate Advisory, Loan Advisory, Data Labs: Advanced Real Estate Analytics, and PropGuide- Real Estate Simplified

Responsibilities:

• Architect, design, and implement efficient and reusable front-end systems that drive complex workflows for the Security infrastructure platforms with a strong sense of ownership
• Develop intuitive user interface mockups and wireframes
• Contribute to the analysis of functional requirements
• Contribute to the evolution of the UI platforms while adhering to Agile practices
• Assist in defining user interfaces and software architectures, collaborate with backend leads to establish workflows and APIs
• Developing new user-facing features using React.js
• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high quality code
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers

Skills:

• Strong hand-on experience on Core and Object-Oriented JavaScript.
• Hand-On experience with React.js workflows (such as Redux, Flux etc).
• Thorough understanding of React.js and its core principles
• Experience with GraphQL is required
• Previous experience building scalable, distributed web applications
• Proven and demonstrable track record of being an elite performer in your current and past roles
• Elite UI programming skills including JavaScript, React, Redux, HTML, CSS, and cross-browser development
• Excellent understanding of accessibility, usability and visual design principles
• Strong experience in XML, DOM, JSON, AJAX, and other W3C standards
• M.Sc/M.Eng in Computer Science/Engineering or B.A/B.Sc. in same disciplines with the equivalent years of experience

Industry preference:

Preferably candidates from Internet/ e-commerce/ Product-based organization/ Service-based Organization

Responsibilities :

• Manage product milestones, deployment cycles & overall product roadmap 
• Understanding of the threading limitations of AngularJs, reactjs, and multi-process architecture 
• Hands-on experience with cloud technologies like AWS 
• Familiar with various design and architectural patterns 
• Sound knowledge of Databases Postgres is a must including Performance Tuning, Designing and optimized Postgres databases and queries 
• Ability to communicate complex technical concepts to both technical and non-technical audience 
• Understanding of fundamental design principles behind a scalable application 
• At least 3-5 years of experience in consumer product engineering and architecture, with proven track record of architect impactful products in the internal CRMand consumer domain. 
• Proficient understanding of code versioning tools, such as Git 
• Ship great products under stringent deadlines and in the face of ambiguous requirements and changing business priorities 
• Maintain Code Quality, Implement Standards & improve overall understanding

What lands you in this role :

• Exceptional leadership skills and proven experience in shaping team culture
• Strong grasp of full-stack networking, scalable web back-end, and all genres of platforms
• Must have Bachelor degree in computer science from a Tier-1 College
• Multitasking & problem solving approach