React.js Developer

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).

What you’ll be doing

• Lead the development of our platform’s front end.
• Work with the product and design teams along with the founders to build new product features from start to finish: through conception, research, implementation, and maintenance.
• Work closely with founders and internal/external stakeholders to build products, tools, and services from scratch and deliver high-quality software solutions.
• You'll leverage your frontend knowledge to help improve performance and reliability, and polish existing features.
• Share your technical expertise to help the team make thoughtful and scalable design decisions and identify performance bottlenecks to troubleshoot quickly.
• Manage product development priorities, deadlines, and deliverables.
• Ensure high-performant and responsive web applications and websites.

Skills & Qualities we’re looking for

• Bachelor’s/Master’s degree in Computer Science (or equivalent experience).
• 2-4 years of experience as a frontend developer (rare exceptions for highly skilled developers) at a fast-paced, preferably early / growth stage start-up.
• You're familiar with HTML, CSS, Javascript, and a React-like UI framework.
• Knowledge of codebases and version control systems (Git).
• You have experience debugging performance issues with UI in modern browsers across multiple platforms.
• Well-versed with SQL database design & RDBMS concepts.
• Strong arithmetic reasoning, logical and analytical thinking skills.
• Strong knowledge of code quality maintenance and performance analysis.

If a misaligned shadow bothers you, we already like you 😆

• Master's / Bachelor’s degree in Computer Science, Software Engineering, or Self taught developer.
• 3+ years of experience in fundamentals of web, HTML, CSS and JavaScript.
• Familiarity with JavaScript frameworks such as Vue or React.
• Understanding of product design, user experience and skills to recreate and match high quality pixel perfect designs and can go above and beyond in detailing.
• Has ability to build a ground up resoluble components and in-house UI system that can scale across the product.

A collaborative role with Individual ownership ✅

• Ownership of developing UI related features. Work with with the rest of the engineering team to develop, launch or maintain features.
• Take ownership of design <> dev collaboration and participate in the education of both sides.
• Work closely with design team and become a bridge between engineering and design.
• Maintain code integrity.

1. Experience in Website Development.

2. To create web pages through HTML and CSS in alignment with PSD design and themify them. In other words, combine interface design concepts with digital design.

3. The candidate should have hands-on experience in Adobe Photoshop and Adobe creative suite. And should be proficient enough in designing the UI of websites with great user experience.

4. Ability to translate business requirements into system design and perform as per the needs.Capable enough to analyze the user’s choice over graphics and animation needs.

5. Conduct testing of completed applications to assess user experience.

6. Use coding to develop the aesthetics implemented within a website, from the layout menus and drop-down options to colours and fonts.

7. Ensuring all interactions are intuitive and convenient for the audience.

8. Collaborate with back-end web developers and programmers to improve usability.

9. Ensure that the website is optimized for various devices.

10. Coordinate with the testing team and work closely with them and implement the changes as asked by them.

11. The candidate must be ready to take responsibility, ownership of code, be independent, and at the same time is open to learning something new.

12. Basic knowledge of PHP.