React UI 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).

Individual Contributor

Product Owner

6 years plus on Angular with TypeScript/React.js

Immediate Joiners Only

Worked on Dashboards customising Components

Roles & responsibilities :

- Developing new user-facing features using React.js

- Building reusable components and front-end libraries for future use

- Translating designs and wireframes into high quality code

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

Desired skills :

- Strong knowledge of Javascript (ES6) including all the latest features

- Ability to create flexbox driven UI layout

- Ability to comprehend performance issues and solve them

- Strong debugging skills using the browser

- Knowledge of Git (including merging, branching and resolving merge conflicts)

Role:

Senior Frontend Developer

Role Description:

Desired Experience Range 5+ years

Location: Mumbai / Work from Home

Work Experience:

Minimum 5+ years of professional experience in HTML, CSS, AngularJS

Requirements:

1. Must have hands on experience in AngularJS, NodeJS
2. Must have hands on experience in HTML 5, CSS 3
3. Must have hands on experience in developing responsive layouts
4. Must know how to test frontend layouts for various devices and resolutions
5. Must have hands on experience working with SCSS
6. Must have worked with Git
7. Understanding of SDLC process
8. Good to have knowledge of Jira

Key Responsibilites:

1. Converting layouts to HTML/CSS
2. Integrating the created HTML/CSS into the dynamic Slate platform
3. Consuming APIs in AngularJS
4. Setting up oAuth token exchange in AngularJS
5. Looking into any bug fixes post go live
6. Helping the junior developers

Reporting

Candidate will report to the Engineering Lead

About Plum

We are making health insurance - simple, accessible and affordable. Hundreds of businesses of all sizes from startups to large corporates trust Plum for their employee's health protection.

Healthcare in India is seeing a phenomenal shift. Healthcare cost is seeing an inflation that is three times the general inflation. Treatments of diseases including Covid-19 can wipe out entire household savings. Majority of Indians won't be able to afford a health insurance on their own. As many as 600mn Indians would depend on employer-sponsored insurance.

Enter Plum. Plum is re-imagining the health insurance stack, and accelerating the penetration of health insurance in India to 100%. Plum has forged new underwriting and fraud detection algorithms to enable companies as small as 2 to benefit from a group insurance. The platform enables realtime insurance design & pricing to enable companies to buy insurance in 3-clicks. And offers employees a hassle-free claims experience through an integrated digital process.

Plum is backed by leading global investors including Tiger Global, Sequoia Capital, Tanglin Ventures and Incubate Fund (read more https://www.plumhq.com/blog/plum-series-a-funding">here)

Having found exceptional product/market fit, we’re in the midst of transitioning from 'start-up' to ‘scale-up’, and looking for frontend engineers in React to help us scale Plum.

You will have a direct impact on the customer experience through the design and implementation of new features and functionalities in our product. You'll work as part of a small but rapidly growing high-energy team delivering incredible, creative improvements to our product. You'll be in charge of reviewing the implementation of applications following code standards and style guides.

• Push things over the line, ship awesome features, and delight customers
• Spec, build, test, and deliver new features while improving the performance and quality of the product.
• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high quality code Solve complex CSS, HTML, and User Interface compatibility issues across browsers.
• Implement front-end development workflows: build systems, dependency management, quality checkers (linting), etc.

• 5+ years of hands-on experience building web applications with React or similar framework.
• Understanding of chakra is a plus, not mandatory. 
• Comfortable with Responsive Web Development and with a strong product design sensibilities and has an obsessive attention to detail.
• Write testable, maintainable code that's easy to understand.
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Strong sense of ownership and integrity demonstrated through clear communication and collaboration.
• Having experience with building and maintaining an open source project or design library is a plus.

Job Description

Experience should have minimum 2 years.

Proficient with ReactJS/Redux

Designing and developing user interface solutions for websites, web and Mobile applications.

Design product and website layouts, assets, flows, sitemaps etc.

Create and maintain UI guidelines and templates.

Extensive knowledge of web technologies and building large scale web applications.

Expertise in JavaScript, HTML5 and CSS3 and Adoptive / Responsive web Design & Cross browser experience.

Expertise with cross-browser, cross-platform, and design constraints on the web.

Interact with other team members to incorporate innovations and vice versa.

Experience in working with Agile Methodology.

Ability to solve problems creatively and effectively.

Should possess excellent communication skills.

We are looking for a Developers who can create crafted web and mobile applications from UI using the React library. Your primary responsibility will be the implementation of visual elements and their behaviors with user interactions and ensure technical feasibility of UI/UX designs.. You will be defining how the application looks and functions by working with both the front-end and back-end developers.

1.A developer who is proficient with ReactJS (Redux or Flex)

2.Strong hands on the backend with nodeJS and has experience in developing robust web application with javascript

3.Should have basic understanding of AWS, various Databases and able to write simple api with express

4.Familiar with concepts like Isomorphic web apps , state management, push state, local storage, and promises

5.Sufficient knowledge on git, test driven development and browser debugging

SKILLS

• 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)
• Experience with data structure libraries (e.g., Immutable.js)
• 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
• Familiarity with code versioning tools such as Git, SVN, and Mercurial
• Educational qualifications of B.E. or M.E. equivalent degrees in Computer Science will be preferred

• Integrate data from various back-end services and databases
• Gather and refine specifications and requirements based on technical needs
• Create and maintain software documentation
• Stay plugged into emerging technologies/industry trends and apply them into operations and activities

What are we looking for in the Ideal Candidate?

• Proficient in creating Web (Responsive) applications using Angular 8+, AngularJS/ React JS, JavaScript, JQuery.
• Experience developing/consuming REST APIs
• Knowledge of multiple back-end languages (e.g. Python) and JavaScript frameworks (e.g. Node.js)
• Familiarity with databases (e.g.MSSQL, MySQL), and UI/UX design
• Hands-on experience with code versioning systems like Git, SVN.
• A clear understanding of client requirements & design specifications
• Aggressive problem diagnosis and creative problem-solving skills
• Ability to work and thrive in a fast-paced environment, learn rapidly, and master diverse web technologies and techniques.

Attributes:

• Team player, Positive Attitude
• Proven ability to work well with others in a fast-paced, iterative product definition and development environment.
• Able to work independently with little direct supervision and take initiative and willing to mentor and solve problems

• Coding and debugging pure JavaScript, polyglot and multi-lingual applications.
• Working closely with Technical Lead/Project Manager to ensure development timelines are met.
• Contribute with ideas to improve system design or streamline product delivery.
• Working with challenging applications involving Real Time Data.
• Working on different platforms including the usage of the Native SDKs provided on JavaScript.

• Strong experience in developing applications using Javascript and Jquery.
• Minimum 6 months of experience in React.JS is a must.
• Experience in any other Javascript libraries is an added advantage.
• Create different types of Charts and Graphics with the help of HTML5 Canvas, SVG etc.
• Should possess understanding of UI design and its behavior across devices (desktops to smart phones).
• Good to have worked with APIs exposed by social media sites like Facebook, Twitter, Instagram etc.
• Experience in working with data structures such as XML and JSON.
• Added knowledge of mobile development frameworks like jQuery Mobile is an added advantage.
• Good communication and problem-solving skills.
• Should be a self-starter and should have the ability to work under pressure.
• Should be passionate about sports.

Wekan Company is hiring React.Js Developer for Chennai

Experience: Overall 4 – 7 years, relevant experience in React.Js - 2 years

Must Have Skills: React, Redux, ES6 and above, HTML5, CSS3

Good to have: Typescript

• Strong verbal and written communication skills, analytical skills and the ability to learn quickly.
• Creative approach to problem-solving with the ability to focus on details while maintaining the big picture view.
• In-depth understanding of Javascript, The DOM and relevant concepts.
• Experience of working on RESTful Web services.
• Responsive web development using HTML5, CSS3, JavaScript.
• Work with cutting-edge frameworks and technologies while advancing your skills along the way
• Developing new user-facing features using React.js and Redux
• Building reusable components and front-end libraries for future use
• Knowledge of WebPack.
• Good experience with any of the testing framework like mocha, jest, jasmine.
• Experience of working in an Agile environment with experience of using tools such as Jira.
• Good communication skills.
• Degree in Computer Science, Engineering or a related subject.

Best Regards
David