Frontend Engineer (ReactNative)

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).

Job description

Overview

The infrastructure for regulation-compliant AI. Train and deploy generative AI for the large enterprise.It is the most private solution for enterprise AI. Achieve best-in-class and compliant AI at the fraction of the time and cost. It is an enterprise AI platform that provides state-of-the-art and regulatory-compliant AI for a fraction of the cost. It simplifies model training across privacy-critical datasets using Federated Learning and Differential Privacy.

Ø Roles & Responsibilities:-

Strong proficiency in JavaScript.

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 Ecma Script.

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.

Develop reusable components and front-end libraries for future use.

Optimize components for maximum performance across a vast array of web-capable devices and browsers.

Collaborate with other team members and stakeholders. Utilize Redux for state management.

In this role, you will be responsible for developing and implementing user interface components using React. js concepts and workflows such as Redux, Flux, and Webpack. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.

·       Skills: HTML and CSS. HTML and CSS are key abilities to consider. ...

·       Fundamentals of JavaScript. JavaScript is the most important skill for developers to have. ...

·       JavaScript ES6. ...

·       JSX (JavaScript XML) ...

·       Variables and Scoping. ...

·       Git. ...

·       DOM and Event Handling Facility.

Location-Bangalore/Remote

P.S-Only IIT, atlassian,google,slack,zoom,e-commerce,internet & product based startup companies

As a senior engineer you will be working independently in designing and implementing new visuals and also helping improve code quality. A lot of emphasis is on usability; so any specific experience is ux is a big plus. Any experience with backend implementation is also a plus

You will work with a mix of front end technologies, primarily JavaScript, D3, HTML 5, SVG, CSS (and related tech like SaSS/LESS). You'd also work with Git, WebPack. You don't already need to know all of these technologies.The key requirement is a keen interest in UI/UX work, solid front-end programming skills (thorough understanding of JavaScript, CSS and browser rendering workflow) and critical thinking.

Remote working is allowed

• Hands-on with contemporary javaScript frameworks(React.js / Angular.js)
• Hands-on with UI layouts, SASS, LESS, Bootstrap
• Developed reusable components and libraries for frontend.
• Frontend optimization techniques to reduce latencies
• Frontend optimization for SEO
• Excellent written and verbal communication skills, design thinking
• Practical experience with engineering best practices

Responsibilities

• Build desktop and mobile web applications using contemporary javascript frameworks
• Actively participate in design and code reviews to build robust applications and prototypes
• Explore and design simple and intuitive consumer experiences
• Work closely with Product Managers, UX designers, and back-end engineers to implement frontend solutions
• Build reusable code and libraries for future use, focus on long term code maintainability
• Work in a fast-paced and agile development environment

• Web-based portal development for end to end process management
• Work with the real-time feedback from users to make the product better
• Discover, design, develop, deploy, debug. Repeat! In highly agile environment.

• 2-4 years of work experience, preferably in a startup
• An engineering degree preferably, from a top-tier school (or equivalent experience)
• Hands-on experience in the JavaScript ecosystem, libraries, and tooling (ES6/7), React.js, and Redux
• Knowledge of React Hooks is an added advantage.
• Expert knowwledge of HTML/CSS, web standards, best practices
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• An experience of writing clean, well documented, semantic code with responsiveness and cross-browser compatibility in mind
• Ability to improvise, troubleshoot, and learn new skills on the job.
• Proficient understanding of code versioning tools, such as Git/SVN
• Excellent coding and debugging skills
• A passion and the ability to make beautiful, smooth, delightful web experiences
• A "Will Do" attitude

• A team of aces, from top-tier schools and startups, to work with
• A fast-paced, data-driven, and fun work environment
• A huge appetite for new, disruptive, creative, and implementable ideas
• An open work culture

• Competitive salary
• Great working environment, opportunity to work directly with the founders on very exciting real-life problems.
• Opportunity to grow really fast.
• Opportunity to hire a team & mentor them in the future.
• ESOPs

1. Shortlist
2. Intro call of 15min
3. Assignment
4. 1-2 Tech rounds
5. HR round
6. Offer rollout