
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
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Dear Candidate,
We are urgently Hiring Front end - React JS Developer with React for Bangalore Location.
Position: Front end - React JS Developer
Location: Bangalore
Experience: 6-9 yrs
Skills: Front-End, React
Salary: Best in Industry (20-25% Hike on the current ctc)
Note:
only Immediate to 15 days Joiners will be preferred.
Candidates from Tier 1 companies will only be shortlisted and selected
Candidates' NP more than 30 days will get rejected while screening.
Offer shoppers will be rejected.
Job description:
Experience-6-9Years
Location : Bangalore WFO
Mandatory
React
Microfrontend Architecture GitHub (incl. GitHub Actions)
SonarQube (only to be used and checked by the team, orchestration is done by customer)
Playwright for test automation (front- and backend)
DevOps mentality
Nice to have:
ElicpseRCP (to operate the old plattform and do some changes if needed)
PostgresDB BlackDuck
Best Regards,
Minakshi Soni
Executive - Talent Acquisition (L2)
Rigel Networks
Worldwide Locations: USA | HK | IN
Required Skills
● Thorough understanding of JavaScript, its quirks, and workarounds.
● Excellence in at least one Javascript framework like Angular 4+ (preferred), React.
● Good understanding of asynchronous request handling, partial page updates, lazy
loading, dom optimizations, and AJAX.
● Good understanding of decoupled architecture and single-page applications
● Diligence for coding standards
● Must be good with git and git workflow
● Experience with web engagement tools like mix-panel or amplitude is a plus.
● Basic understanding of web markup, including HTML5 and CSS3
● Understanding of server-side CSS pre-processing platforms, such as LESS and SASS
● Understanding of build tools like grunt/gulp / webpack
● The person would be a part of the product engineering team and would be responsible
for creating high-performance applications with loads of data and intuitive interfaces.
Frontend Developer (ReactJS)
Company Profile
Egregore Labs (www.egregorelabs.com) is a financial software company founded in 2017 by Prashant Vijay (ISB, Tulane) & Hari Balaji (IIM Ahmedabad, IIT Madras) both of whom have spent over a decade each in Financial Services, with a majority of their experience at Goldman Sachs across New York, Hong Kong & Singapore in roles across Trading, Quant & Technology.
Opportunity
We are looking for an experienced Frontend engineer with ReactJS development experience to join our team.
Here’s are some of the things you might have to do on any given day:
- Implement responsive and performant UIs with user centered approach with frontend technologies including ReactJS, Javascript(ES 6), Typescript, SCSS, etc
- Write meaningful test cases for frontend &
- Integrate our products with 3rd party products/tools/services
- Develop Infrastructure for delivering services using a performance driven approach, build databases, schedule automated jobs, etc
Ideal Background / Experience
- At least 5 yrs of diverse experience in web development for product or services oriented environment with exposure to working production deployments
- Expertise in programming using Python/ReactJS or similar scripting languages
- In-depth exposure to technologies used in web-based SaaS products, including REST APIs
- Sound understanding of Postgres and NoSQL databases such as MongoDB
Nice to have exposure to any of
- AWS
- Azure
- ELK
- Object Relational Models (SQLAlchemy, etc)
- Google APIs
- Microservices Architecture Pattern
- NodeJS / ExpressJS
Work From Home
• Build an advanced ecommerce admin dashboard application for our platform.
• Proven working experience in React JS app development and experience with Webpacks and integration with
NodeJS.
• Good understanding of Hooks and Redux State Management tools.
• Understanding of React Design principles and architecture patterns.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Work with outside data sources and APIs like the one of Unicommerce.
• Create Unit-test code for robustness, including edge cases, usability, and general reliability. Work on bug fixing
and improving application performance.
• Continuously discover, evaluate, and implement new technologies to maximise development efficiency.
• Translate designs and wireframes into high quality code.
• Have a good understanding of CI/CD tools (any).
• Robust knowledge of popular databases like MongoDB, Elastic Search, DynamoDB, Redis etc;
• Knowledge about AWS Amplify is super plus.
CANDIDATES MUST HAVE
• React JS, Redux
• Hooks and redux state managements
• React design principles
• Architectural pattern
• Unit test code
• High level design
• Ci/cd tool
• Elasticsearch, DynamoDB, Redis
• AWS amplify
• ES6/ ECMAScript, JavaScript,
• NodeJS, IDEs, Restful API’s , Git
|
Primary Responsibilities: •Delivering a complete front-end application, creating modules and components and coupling them together into a functional app. • Creating self-contained, reusable, and testable modules and components • Validating user actions on the client side and providing responsive feedback • Ensuring a timely code delivery in an accurate fashion, with a focus on high performance. • Validating user actions on the client side and providing responsive feedback • Evaluate Functional and non-functional requirements and ensure that they are addressed with an apt technical solution • Coordinating the task work flow between graphic designer, content management and other key technical stakeholders. • Coordinating with the back-end developer and testing team in the process of building and testing APIs. • Familiar with agile software development methodologies (e.g. SCRUM / Agile / Kanban)
|
|
Qualifications and Educational Requirements |
|
• BE/B.Tech in Computer Science or related stream from a reputed Institute.
|
|
Specialist Skills and Experience Required |
|
• The candidate should have 4 to 10years of relevant software industry experience, specifically on front end technologies • Strong hands-on experience of JavaScript, Angular6, HTML5, CSS3 and Webpack. • Should have working knowledge of tools - Jenkins, Docker and Selenium. • Architecting and automating the build process for production, using task runners or scripts |
Key aspects of this role:
• 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.
To be the right fit, you'll need:
• Minimum 4+ years relevant experience in application development and React JS.
• Knowledge of React hooks such that use Context, use Reducer, use Effect.
• Knowledge of React props and state management (both functional and class component)
• Strong understanding of Error boundary concept of react.
• Work experience with any react based UI library or Redux is preferable
• Experience in building cross-browser layouts with CSS and HTML
We are looking for a senior React.js developer who can guide the current team and also work on our project. The requirement could be for 3-4 months or at max 6 months. Hence a full-time remote consultant is preferred with about 4-5 years of experience in React.
This position is for a ReactJS developer. Since we are a start-up this position will have a lot of exposure to other verticals such as product management as well. There is no limit to learning for a person who is willing to take responsibility.
As front-end engineer, you’ll be responsible for end-to-end development of products and services that align with business objectives.
Work Culture
- Grow your skills, experiment with cutting edge technologies and tools
- An environment that encourages creative thinking and limits red tape
- Collaborate with fellow engineers, product management, clients and end users
- Execute responsibilities effectively and honestly
Skills and Experience
- Minimum 5 years of javascript development experience
- In-depth understanding of javascript and reactjs
- Experience in designing effective data structures and algorithms
- Experience in object-oriented and functional programming paradigms
- Experience in consuming REST web services.
- Experience and understanding of any backend framework would be a plus
- Experience with version control and project management tools
- Excellent oral and written communication (english + 1 local language)
- Analytical and problem-solving skills
- Familiarity with any cloud service provider - aws/digital ocean/azure
Signs you would be a good fit
- You enjoy crafting elegant, well-tested solutions, not just delivering working code
- You have logical and well-researched opinions on existing and new technologies, and relish the learnings and challenges of working on different platforms and products
- You have an entrepreneurial mindset
- You are a quick learner with proven reasoning skills
- You explore beyond your resume
About Eloquent Studio Pvt Ltd
Team of 1-10 people
Located in Pune, Maharashtra, India
Role: Senior React JS Developer
Requirements:
- Thorough understanding of React.js, React DOM and its core principles
- Experience in State Management Frameworks like Redux.
- Experience in developing cross-browser/platform compatible solutions for web.
- Experience of backend integrating with RESTful services.
- DOM manipulation and the JavaScript object model.
- In-depth knowledge of newer specifications of TypeScript, ES6,HTML 5,CSS 3.
- Must be familiar libraries like Material UI, Formik.
- Experience in Micro Front End architecture with Webpack Module Module Federation to combine multiple domain driven web apps on the same page without refreshing the page.
- Experience in different approaches on orchestration of Micro-apps of Client Side composition.
- Experience with package manager like npm,yearn.
- Experience with tools/packages like Visual Studio Code,ES Lint,SonarQube,Keycloak.
- Good understanding on Unit testing framework - Jest/ enzyme.
Location: Remote Working
** Preference will be given to immediate joinee
About our organization background: http://sportsit.net/" target="_blank">http://sportsit.net/
SportsIT A London headquartered global technology firm specializing in working with technology firms and IT organizations in the emerging technologies such as Web 2.0, SaaS, Cloud, Open-source, BI/DW, Mobility, Automation, DevOps and Big Data.
We work only on the Sports, Games, Betting and Gambling industry.
Job Description: React.JS Developer role
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 (such as Flux or 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.
Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
Ability to understand business requirements and translate them into technical requirements.
A knack for benchmarking and optimization.
Familiarity with code versioning tools.







