
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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Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
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• Solid understanding of HTML5, CSS3 and cross-browser compatibility issues.
• Solid understanding of CSS box model and flex layouts.
• Proficient in SASS.
• Experience with REST APIs, Node JS/.Net Web API/Golang is a plus.
• Experience with the entire Software Development Life Cycle (SDLC)
• Experience with unit testing & Test-Driven Development (TDD) with various test frameworks (like Jasmine, Karma, Protractor).
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iSchoolConnect is an online platform that makes the University Admissions process hassle-free, fun and accessible to students around the globe. Using our unique AI technology, we allow students to apply to multiple universities with a single application. iSchoolConnect also connects with institutions worldwide and aids them in the transformation of their end-to-end admission processes using our various cutting-edge use cases. Our technologies include the Conversational AI chatbot, Document Grader, Video Interview Analyzer, and a Single application use case which aids institutions with International Enrollment Management.
For more information visit: https://ischoolconnect.com/">https://ischoolconnect.com/
LinkedIn Page: https://www.linkedin.com/company/ischoolconnect/">https://www.linkedin.com/company/ischoolconnect/
Job Description
Designation: Senior Frontend Developer
Location: Malad, Mumbai (Currently Remote)
Reports to: Product Manager
Principal Accountabilities:
- Develop, Enhance, and Modify Applications for a Global Market Environment.
- Design, Code, Test, Debug, and Document programs for corporate systems architecture.
- Work closely with Business stakeholders to define requirements for system applications
Work Dimensions:
- Working on any of the frameworks - Vue/ Angular/ React.
- Should be able to quickly take visual specs and produce responsive web pages.
- Building cross-browser and cross-platform web applications.
- Working with scalable, high-performance systems.
- Unit & E2E testing of Front-End web applications using JavaScript frameworks such as Karma, Jest, Cypress, etc.
- Strong Core JavaScript & ES6 programming skills.
- Understanding of Front-End tools and bundlers.
- Integration of user-facing elements developed by front-end developers with server side logic
- Design and implementation of low-latency, high-availability, and performant applications.
Work Context:
- A fast moving, high growth, entrepreneurial environment.
- Need to work on Git and work in a highly collaborative environment.
- Good communication skills and timely reporting are required.
- Ensure full legal and ethical compliance and conduct of business at all times and under all circumstances.
- Attention to detail needed to maintain a global standard of work output.
- Supervise, mentor, coach a small team of associates on a day to day basis for better management of the collective performance.
Role requirements:
- 2 to 6 years of experience in the IT industry
- 2+ years of hands-on front-end experience working with incremental versions of Angular
- Practical work knowledge of Semantic & Accessible HTML.
- Practical work understanding of Modern CSS techniques, as well as experience working with common CSS libraries like PostCSS, TailwindCSS, etc.
- Strong problem-solving ability
- A good team player
- Graduate degree (B.Tech/ BSc. IT) in IT/Engineering/Computer Science
Responsibilities
- Develop web-based application for analytics using Angular
- Integrate and extend Python REST APIs and create visually stunning UI experiences for analysts and users.
- Create flexible dashboards and reports (using plotly, d3, etc) and leverage open source technology to create various components.
- Create a flexible UI for data analytics and big data usecases which can be used by Large Tier banks as well as smallscale agile startups
- Write unit tests and functional tests for the component using tools like Jasmine, Karma, Cypress, etc.
- Follow software development practices with continuous testing, development and integration (CD/CI)
- Write and maintain technical design documents and new-feature documents
- Collaborate closely with developers, engineers, testers, and product managers
- Participate in peer-based code reviews and design reviews
- Follow agile methodology and encourage collaboration with tools such as GIT, Confluence and Slack applications
- Undergraduate degree or above in computer science preferred
Required Qualifications
- Knows SPA and frontend technologies well
- Has used atleast 1 web framework: Angular / React / Vue / etc. and comfortable with Javascript/Typescript.
- Experience with styling (CSS / SCSS / others) frameworks like bootstrap, material, foundation, tailwind, etc. is a plus
- Knowledge on visualization frameworks like D3, plotly, highcharts, chart.js, etc. to make customizable dashboards.
- Has used testing libraries like karma, jest, jasmine, cypress, selenium, etc.
- Familiar with with frontend processes like State management (Redux), Reactive programming (rxjs), Authentication methods (JWT, SAML) etc.
- Basic knowledge about APIs (flask, django, nodejs) and worked on deploying web applications (nginx or apache or cloud technologies like AWS, GCP, docker, etc.) will be beneficial.
Candidate should be willing provide technical leadership and mentoring to a small team of highly talented and motivated engineers to deliver these solutions with highest quality.
Ideal candidate is full stack developer, understands familiar with each layer with ability to set the UI strategy for the product and execute the roadmap, build teams.
Primary Responsibilities
- Architect, Design, implement, and deploy solutions that are reliable and perform at scale in multi-tenant environment.
- Collaborate with UX design group and convert the design to actual UI components and pages to delight users of our cloud platform
- Evaluate technology and make choice based on performance, scalability, security and future expansion.
- Work with different stakeholders within and outside the team in a highly collaborative environment.
- Working with rapid and innovative development methodologies like: Kanban, Continuous Integration and Daily deployments
- Engage with Product Management and Business to create Product roadmap, own technical backlog and roadmap for technology supremacy.
- Continually learn about new technologies, generate new ideas and improve the use of technology in the product.
- Driving various organization wide activities like Hackathon, Ideathon, brown bag sessions and technical blogs
ESSENTIAL SKILLS:
- Strong experience in Information Architecture and UI Design experience in delivering concepts, wire frames, prototypes, and compelling visual experiences.
- Possess the knowledge of the Graphic Design, Usability and ability to apply strategic thinking to deliver exceptional end to end user experience
- Expert understanding of strong Standards Based HTML Development as also strong JavaScript and JS libraries / UI Frameworks like Prototype.js, DHTMLX, ExtJS, JQuery (one Framework at the least is a must)
- Strong experience in Vue.JS/Backbone.JS or similar.
- Strong in CSS and AJAX / XML / XSLT / DOM / JSON
- Should have fundamental understanding of JavaScript - OOPs
- Understand Cross Browser issues and client side cookie
- Would expect the successful candidate to be highly proficient in Web Standards including W3C and WCAG
- Possess strong and relevant exposure to Web Accessibility/ Usability
- Would require to be intimately familiar with defining UI Specifications / Guidelines
- Would be essential to possess knowledge of web-based technologies and their impact on the feasibility of design solutions, including the capabilities and limitations of Web Technologies
- Experience in the Retail Domain or working on building Analytical Tools would be a plus
- Very good written and verbal communication skills
- Experience working with Agile development environments
Job Role
We are looking for experienced front-end developers to develop and add new features to our Product Stack - everything from UX design and architecture to coding & testing. The role will involve working, side-by-side, with our product team to foster a positive environment and make sure the company’s mission and goals are effectively implemented.
What's in it for you? You'll be part of a growing team, delivering value to our customers through creative improvements to Actiotech's flagship product. You'll work closely with design and product management, influencing the direction of the product and helping the team get there.
Responsibilities:
- Write clean, high-quality, high-performance, maintainable code
- Are a self starter and is able to bring in experience for the improvement of the product UX/UI
- Have strong analytic skills, a drive to succeed and a strong customer orientation
- Can support development activities in POC and Product feature enhancements
- Work well within an agile team collaborating with other engineers to deliver an exceptional user experience for our customers
Requirements:
- 2+ years of professional software development experience with JavaScript
- 1+ year of professional experience with React
- Excellent written and oral communication skills in English
- Eye for detail and good user experience design skills










