
Frontend / Chrome Extension Developer (React + TypeScript)
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).

About NeoGenCode Technologies Pvt Ltd
About
Welcome to Neogencode Technologies, an IT services and consulting firm that provides innovative solutions to help businesses achieve their goals. Our team of experienced professionals is committed to providing tailored services to meet the specific needs of each client. Our comprehensive range of services includes software development, web design and development, mobile app development, cloud computing, cybersecurity, digital marketing, and skilled resource acquisition. We specialize in helping our clients find the right skilled resources to meet their unique business needs. At Neogencode Technologies, we prioritize communication and collaboration with our clients, striving to understand their unique challenges and provide customized solutions that exceed their expectations. We value long-term partnerships with our clients and are committed to delivering exceptional service at every stage of the engagement. Whether you are a small business looking to improve your processes or a large enterprise seeking to stay ahead of the competition, Neogencode Technologies has the expertise and experience to help you succeed. Contact us today to learn more about how we can support your business growth and provide skilled resources to meet your business needs.
Candid answers by the company
IT & Engineering Talent Staffing
- Provides full-time and contract-based hiring, delivering handpicked, pre‑screened developers across tech stacks—ranging from web, mobile, AI/ML, Web3/blockchain.
- Maintains a bench o vetted candidates, offering fast delivery of interview-ready profiles—often within 24 hours.
- Offers payroll management, handling compliance, tax, attendance, and documentation for both contractors and full-time employees.
2. End-to-End Project Delivery
- Delivers full-stack development solutions: web, mobile, cloud, AI/ML, Blockchain/Web3.
- Manages entire project lifecycle—requirements gathering, design (UI/UX), development, deployment, and ongoing support .
3. Additional Offerings
- Expands into cybersecurity consulting, digital marketing, and cloud platform services (like AWS, GCP, Azure) .
- Provides strategic IT consulting to align technology solutions with business objectives
Similar jobs
Software Development Engineer III (Frontend)
About the company:
At WizCommerce, we’re building the AI Operating System for Wholesale Distribution — transforming how manufacturers, wholesalers, and distributors sell, serve, and scale.
With a growing customer base across North America, WizCommerce helps B2B businesses move beyond disconnected systems and manual processes with an integrated, AI-powered platform.
Our platform brings together everything a wholesale business needs to sell smarter and faster. With WizCommerce, businesses can:
- Take orders easily — whether at a trade show, during customer visits, or online.
- Save hours of manual work by letting AI handle repetitive tasks like order entry or creating product content.
- Offer a modern shopping experience through their own branded online store.
- Access real-time insights on what’s selling, which customers to focus on, and where new opportunities lie.
The wholesale industry is at a turning point — outdated systems and offline workflows can no longer keep up. WizCommerce brings the speed, intelligence, and design quality of modern consumer experiences to the B2B world, helping companies operate more efficiently and profitably.
Backed by leading global investors including Peak XV Partners (formerly Sequoia Capital India), Z47 (formerly Matrix Partners), Blume Ventures, and Alpha Wave Global, we’re rapidly scaling and redefining how wholesale and distribution businesses sell and grow.
If you want to be part of a fast-growing team that’s disrupting a $20 trillion global industry, WizCommerce is the place to be.
Read more about us in Economic Times, The Morning Star, YourStory, or on our website!
Founders:
Divyaanshu Makkar (Co-founder, CEO)
Vikas Garg (Co-founder, CCO)
Job Description:
Role & Responsibilities:
- Design, develop, and maintain complex web applications using ReactJS, and relevant web technologies.
- Work closely with Product Managers, Designers, and other stakeholders to understand requirements and translate them into technical specifications and deliverables.
- Take ownership of technical decisions, code reviews, and ensure best practices are followed in the team.
- Provide technical leadership and mentorship to junior developers, promoting their professional growth and skill development.
- Collaborate with cross-functional teams to integrate web applications with other systems and platforms.
- Stay up-to-date with emerging trends and technologies in web development to drive continuous improvement and innovation.
- Contribute to the design and architecture of the frontend codebase, ensuring high-quality, maintainable, and scalable code.
Requirements:
- Bachelor’s degree in Computer Science or a related field.
- 5-7 years of experience in frontend development using ReactJS, Redux, and related web technologies.
- Strong understanding of web development concepts, including HTML, CSS, JavaScript, and responsive design principles.
- Experience with modern web development frameworks and tools such as ReactJS, Redux, Webpack, and Babel.
- Experience working in an Agile development environment and delivering software in a timely and efficient manner.
- Strong verbal and written communication skills, with the ability to effectively collaborate with cross-functional teams and stakeholders.
- Ability to take ownership of projects, prioritize tasks, and meet deadlines.
- Experience with backend development and AWS is a plus.
Benefits:
- Opportunity to work in a fast-paced, growing B2B SaaS company.
- Collaborative and innovative work environment.
- Competitive salary and benefits package.
- Growth and professional development opportunities.
- Flexible working hours to accommodate your schedule.
Compensation: Best in the industry
Role location: Bengaluru/Gurugram
Website Link: https://www.wizcommerce.com/
We are looking for a Frontend Developer who would be working on the bleeding edge of technologies.
We work primarily with React, Typescript and Redux.
Responsibilities:
• Understand why a particular design was chosen and code accordingly
• Will have to deliver clean bug-free unit tested code with minimal guidance
• Strive for continuous improvement by refactoring and applying best practices
• Learn and adapt to new technologies as necessary.
Requirements:
• Must be proficient in React, Redux, Redux Toolkit and Typescript
• Used Typescript for React Components
• Unit Testing, Component Testing, and Custom React hook tests with React Testing Library
• Integration Tests with Cypress
• Data Fetching libraries like Axios, React Query, RTK Query etc.
• Should have maintained React Components with Storybook.
• Experience contributing to open-source software will be preferred
• Used various CSS stylings methods like CSS Modules, LESS, SCSS, Tailwind, Styled Components,
Emotion etc.
• Should understand Git
• Ability to work in a fast-paced and dynamic work environment
• Exceptional interpersonal skills and demonstrated leadership abilities
Work Location: Bangalore
Work Mode: Work from Office
Benefits: Best in the Industry Compensation, Friendly & Flexible Leave Policy, Health Benefits, Certifications
& Courses Reimbursements, Chance to be part of rapidly growing start-up & the next success story, and many more.
Job Description:
We are looking for a good 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.
Responsibilities
- 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 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 (Redux)
- Familiarity with newer specifications of ECMAScript
- Experience with data structure libraries (e.g., Immutable.js)
- Knowledge of isomorphic React is a plus
- Familiarity with RESTful APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Familiarity with modern front-end build pipelines and 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, SVN, and Mercurial)
Responsibilities:
● Take end to end ownership of all products right from conceptualization till production.
● Develop cross-platform user-facing features using React JS.
● Drive major frontend architecture decisions along with Product Managers and
Engineering Head.
● 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
Requirements:
● 6+ years of relevant experience in core frontend technologies (JS, React,
Redux,GraphQL)
● You're an engineer by heart and not just a developer.
● You're innovative and able to pitch ideas to your colleagues.
● You're able to work with Product Managers, Designers and call out things upfront
from an engineering perspective.
- Responsible to rapidly write bug-free code using latest coding practices.
- Responsible for doing R&D on latest UI technologies
- Responsible to create POC and prove the feasibility of new UI designs and concept
- Create a vision for the product to create new possibilities for ctomers
- Enrol and align stakeholders (including customers) into the product vision
Himani jain
What we're looking for
AdPushup is an award-winning ad revenue optimization platform and Google Certified Publishing Partner (GCPP), helping hundreds of web publishers grow their revenue using cutting-edge technology, premium demand partnerships, and proven ad ops expertise. Our team is a mix of engineers, marketers, product evangelists, and customer success specialists, united by a common goal of helping publishers succeed. We have a work culture that values expertise, ownership, and a collaborative spirit.
Your Day-to-Day Tasks Include:
Ship product, independently and/or as part of a small team
Collaborate with other engineers to build new features
Debugging using dev consoles, firebug, firecookie, or any of your favorite tools. Help troubleshoot production issues and resolve critical customer facing issues Provide top-notch support to our customers
You Should Have:
3+ years of experience with React.
A strong body of prior front end work, including significant projects written in React and Redux. Mastery of JavaScript; expertise in most of the following technologies, and proficiency in all of them: CSS3, HTML5, AJAX.
Deep understanding of closures, prototypal inheritance, HTTP, web security, cross browser compatibility challenges.
Experience with NodeJS and Express JS will be a plus
Hands-on with a code management system like GIT, SVN.
Experience with NoSQL databases, preferably CouchDB or CouchBase.
Good to have: Experience with Typescript.
-Linux/ MAC OS exposure is a must
-Knowledge of Adobe Illustrator.
-Good interpersonal skills.
-Understanding of key design principles.
-Good problem-solving skills.
-Good to Have: Jest, enzyme, Mocha, Chai, Sinon
- Develop and manage apps on React Native platform
- Analyse, code, debug, test, document & deploy applications
- Provide technical leadership and upgrade architecture design and solution to accommodate future expansion
- Ensure quality control processes are successfully employed.
- Experience in React-Native based app development is a must
- Experience in Mobile app development (Cross platform apps)
- Must have published at least 1 major React-Native app
- Knowledge of service workers implementation for Progressive Web Application (PWA)
- Demonstrated ability with HTML5, CSS3, Bootstrap, jQuery, and other JS frameworks React JS
- Development experience of UI (layouts, animations, etc.)
- Good understanding of Design and Architecture Patterns
- Understanding of iOS and Android Code signing process and deployment model
- Understanding of Unit Testing, Debugging Methodology used in React Native Apps
- Understanding on integration of native modules with React Native code
- Experience with caching and scaling techniques
- At least 2+ years of product development experience with expertise in designing and implementing high-performance web applications
- You must be proficient in Problem Solving and Data structures since you got to find the best way of handling a huge set of data.
- Strong hands-on experience in developing web applications using JavaScript
- Strong experience and knowledge in single-page frameworks like ReactJS/Angular/VueJs/other frameworks and ability to design the architecture of single-page applications.
- Strong hands-on experience with JAVASCRIPT, OOPS Concepts, Single page applications, REACTJS, D3, NodeJS, etc
- Build tools such as grunt, gulp, web pack.
- Exceptional debugging skills and knowledge on browser developer tools
- Familiar with RESTful APIs to connect applications to back-end services
- Familiar with optimization techniques (both in file weight and perceived/actual processing speed), debugging techniques, dynamic content retrieval, state management e.g: (Redux), cross-browser support.
- Experience in optimizing the application for performance and scalability using CDN, caching, etc
- Deep experience developing modular, object-oriented JavaScript Strong command of the HTTP protocol and the latest web standards
- Knowledge on Node server, Socket connections and mechanisms to handle real-time async data would be a plus.
- Very Good understanding of Agile/Scrum methodologies
- Very strong full stack experience with familiarity in serving technologies such as HTTP, CDN, proxies and caching
- Working experience with distributed teams and leading them is a plus
- Strong hands-on on writing test cases and documenting UI component.









