
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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MUST-HAVES:
- 5+ years of professional experience in web development.
- Strong proficiency in React.js and the Next.js framework.
- Solid understanding of JavaScript (ES6+), HTML5, Tailwind and TypeScript.
- Experience with server-side rendering (SSR) and static site generation (SSG).
- Familiarity with state management libraries (e.g., Redux, Context API).
- Proficient with version control systems like Git.
- Experience with modern build tools and package managers (e.g., Webpack, Babel, NPM/Yarn).
- Familiarity with API integration (REST, GraphQL).
- Strong understanding of web performance optimization techniques.
- Knowledge of testing frameworks (e.g., Playwright, Jest, Cypress).
- Ability to work in an Agile environment, collaborate with cross-functional teams, and deliver high-quality code under tight deadlines.
SKILLS: REACT, REACT NATIVE, PLATFORM INTEGRATION, JAVASCRIPT
Notice Period: 0-15 Days only
Additional Guidelines:
Interview process: - 2 Technical round + 1 Client round
3 days in office, Hybrid model.
JOB DESCRIPTION:
We are seeking a highly skilled Senior Web Developer with deep expertise in React and Next.js to join our growing team. The ideal candidate will have extensive experience in building high-quality, scalable web applications and will take ownership of both frontend development and architecture. As a Senior Developer, you will collaborate closely with product managers, designers, and other developers to deliver robust and performant solutions. Your ability to solve complex problems, optimize web performance, and mentor junior developers will be key to success in this role.
KEY RESPONSIBILITIES:
- Design, develop, and maintain web applications using React and Next.js.
- Architect and optimize web pages for speed and scalability.
- Build reusable components and front-end libraries for future use.
- Implement server-side rendering and static site generation using Next.js.
- Collaborate with the backend team to integrate APIs and ensure seamless front-end and back-end communication.
- Ensure the technical feasibility of UI/UX designs and implement pixel-perfect user interfaces.
- Work with product teams to build features that improve user engagement and satisfaction.
- Troubleshoot, debug, and upgrade existing systems.
- Provide technical leadership and mentorship to junior developers.
- Stay up-to-date with the latest web development trends, frameworks, and tools.
REQUIREMENTS:
- 5+ years of professional experience in web development.
- Strong proficiency in React.js and the Next.js framework.
- Solid understanding of JavaScript (ES6+), HTML5, Tailwind and TypeScript.
- Experience with server-side rendering (SSR)and static site generation (SSG).
- Familiarity with state management libraries (e.g., Redux, Context API).
- Proficient with version control systems like Git.
- Experience with modern build tools and package managers (e.g., Webpack, Babel, NPM/Yarn).
- Familiarity with API integration (REST, GraphQL).
- Strong understanding of web performance optimization techniques.
- Knowledge of testing frameworks (e.g., Playwright, Jest, Cypress).
- Ability to work in an Agile environment, collaborate with cross-functional teams, and deliver high-quality code under tight deadlines.
PREFERRED QUALIFICATIONS:
- Experience with Next.js API routes and serverless functions.
- Familiarity with cloud platforms (e.g., AWS, Vercel) and CI/CD pipelines.
- Experience with modern CSS frameworks (e.g., Tailwind, Styled Components).
- Knowledge of SEO best practices for React and Next.js applications.
- Contributions to open-source projects or a portfolio of personal projects.
About Visdum
Visdum is the world’s leading SaaS Solution for Sales Compensation Management.
Founded in 2020 by ex-Oracle Executives who have 50+ years of experience in the IT
industry, we’re an early-stage SaaS startup with a mission to democratize sales
commissions.
Visdum helps Finance, Revenue Operations, and Sales teams manage and optimize sales
incentive compensation process, giving real-time visibility to payouts and a decrease in
calculation errors. Visdum helps SaaS teams around the world save hundreds of hours by
automating commissions and drive higher sales revenue with a motivated sales team.
Our Impact So Far
13+ Countries Served
$50M+ Commissions Processed
We achieved all of this with a nimble team of 15
Job Role: Content Marketer
Location: Noida, India OR Remote
The Opportunity
We are seeking a highly skilled React.js Developer with 2-3 years of experience to join our dynamic
team. The ideal candidate will be responsible for developing high-quality web applications using
React.js and will be able to work collaboratively with other developers, designers, and project
managers.
Responsibilities
● Develop high-quality, responsive web applications using React.js
● Collaborate with cross functional teams to define, design, and ship new
features
● Write clean, maintainable, and efficient code
● Ensure the technical feasibility of UI/UX designs
● Optimize web applications for maximum speed and scalability
● Implement automated testing and deployment processes
● Participate in code reviews and provide constructive feedback to other
developers
● Stay up-to-date with emerging trends and technologies in front-end
development
Requirements
● 2-3 years of experience in React.js development
● Thorough understanding of React.js and its core principles
● Strong proficiency in JavaScript, HTML, CSS and related web technologies
● Understanding of RESTful API design and implementation
● Familiarity with version control systems (Git, SVN, etc.)
● Strong problem solving skills and attention to detail
● Excellent communication and collaboration skills
● Experience with popular React.js workflows (such as Flux or Redux)
● Familiarity with code versioning tools.(such as git)
● Experience with modern build pipelines e.g., Webpack
Key Skills :
- Good understanding and experience of HTML / CSS / Javascript / Webpack / Bootstrap.
- Hands-on experience with ES6 / ES7 / ES8 features.
- Expertise with Web Services / REST APIs.
- Proficiency in Linux and deployment on Linux.
- Familiarity with Redux Thunk / Redux Saga will be an added advantage.
- Skillful experience in Node JS / Express / MongoDB will be a plus.
- Understanding of mobile cross-platform frameworks like React Native.
- Knowledge of AWS services like S3, EC2 would be valuable.
React + Next.js + Microfrontend, strong communication skills, and the ability to work independently.
Skillset required: Javascript, React.js, Good CSS and Designing, React Native, Unit testing, Next.js, Microfrontend, HTML, Redux
Additional Technical requirements: SSR, (GitHub Actions, GitHub/bitbucket/Git, GitLab CI/CD); JavaScript, TypeScript, Linting), Competitive Coding Experience (good to have)
Freelance Job HTML/CSS HTML5 React JavaScript Redux Next.Js
Tentative start date of the project: 2/1/2023 for about 2 months or more
Full allocation - 8 hrs a day * 20 days per month
Timezone: IST overlap with US timezone 8-11 PM IST
Senior UI Developer
Role Objectives
- Participate in complex design and software development tasks within schedule, task, and quality guidelines set in conjunction with the Senior Platform Specialists and Platform Architect
- Hands-on development and implementation of solutions including configuration of platform components and custom development
- Tasks associated with testing and documentation of solution implemented
Also
-
Must be capable of coding and unit testing their code
-
Team player with good interpersonal skills
- Should have strong analytical skills
- Good communication skills
- Handlinh several priorities and delivering results in time in a high-pressure, dynamic environment.
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WORK FROM HOME / 1 year Contract Role |
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Designing a modern highly responsive web-based user interface with the latest user-facing features ·
·Building reusable components and front-end libraries ·
Translating wireframe and design into high-quality code ·
As a React.js Developer, you will be involved from conception to completion with projects that are technologically sound and aesthetically impressive ·
· Maintain code and write automated tests to ensure the product is of the highest quality ·
· Optimizing components for maximum performance across a vast array of web-capable devices and browsers ·
· Leverage assets and resources provided by the client into applications ·
· Write and optimize code in a well-documented and clean way alongside its benchmarking products
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REQUIREMENTS:
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We are looking for experienced React JS developers who are proficient with JavaScript and TypeScript.
The primary focus of the selected candidates would be on developing user interface components implementing and executing them following well-known React.js workflows (such as Next and redux). Enduring these components, the overall application should be robust and easy to manage.
You should be a team player with commitments to achieve perfection by every stage of development that includes collaborative problem solving, sophisticated design, and quality products |
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TECHNICAL SKILLS:
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·Proficiency in JavaScript and TypeScript including DOM manipulation
· Knowledge of functional and object-oriented programming in JS/TS · Experience with HTML, CSS, ECMAScript (ES6), Restful APIs (application programming interfaces)
Experience with common front-end development tools such as babel, Webpack, NPM, Yarn, etc. ·
Knowledge of modern authorization mechanisms, such as JSON Web Tokens · Knowledge of other frameworks such as Gatsby JS, Angular, Vue, etc. is a plus · Knowledge of Code versioning tools such as Git, SVN, etc. ·
Understanding of automated testing tools like Jest, Mocha, etc.
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