Frontend Developer (React JS)

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).

Type, Location,

Full Time @ Anywhere in India

Desired Experience

3+ years

Job Description

What You’ll Do

• Taking an active role in architecting the solutions we build
• Designing and implementing web applications using JavaScript and its frameworks (i.a. React, Vue, Angular), HTML5 and CSS3
• Working closely with the dispersed development team, client, and project manager in the SCRUM methodology
• Ensuring that programming practices and code quality are respected
• Supporting other engineers with your expertise when needed (knowledge sharing)
• Leading your colleagues’ growth and development

What you bring to the table

• 3+ years of experience with JavaScript (good knowledge of ES2016; newer versions and TS 3+ are a plus)
• Experience in developing web applications using Angular2+ and another modern framework
• Being comfortable HTML5 and CSS3
• Experience with version control systems, preferably Git
• Demonstrated tech leadership in a medium-sized team, and the ability to design a complex system
• Eagerness to learn and constantly improve yourself
• Being a team player focused on getting things done

Job Description

We are looking for a Frontend developer with ReactJS experience to join our team at Sprouts

Responsibilities

• Code highly scalable software components based on the latest version of React, Redux, RxJs, CSS, HTML
• Build UI and visualization for showing massive data and user workflows
• Build complex web applications using TypeScript and related technologies
• Build highly reusable and shared components as part of our next-generation UI Platform. All team members play a pivotal role in the success of the product, with everyone sharing a voice in product, experience, and engineering.
• Translate designs from wireframes and low-fit prototypes provided by the UI/UX
• Contribute to the UI style guides and a UI component library, creating reusable components
• Write application interface codes using JavaScript following react.js workflows

Requirements

Experience: 3+

Role: Software Engineer – the final role will depend on the candidate’s experience and credentials

Education: BE/B. Tech/MCA/M.Sc./MTech

Technology Stack: React, Redux, RxJs, CSS, HTML

ROLE REQUIREMENTS

• Expertise level knowledge of  HTML5 : Comprehensive knowledge of tags, HTML API (Geo, Storage, More APIs), Canvas APIs, META Tags and Semantic markup 
• Expertise level knowledge of CSS3 : CSS Object Model, Selectors & Hierarchy, Layouts, Responsive Designs, Build Tools, SASS / SCSS & Flexbox
• Expertise level knowledge of ES6: Object-Oriented programming principles,  DOM Selectors, Event Handlers, Jquery - Functions, Callbacks, Promises, Debugging tools & approach
• Experience in creating build scripts from scratch using Webpack & Gulp with relevant plugins to improve DevOps
• Ability to independently create technical design of an Epic utilising the knowledge of JavaScript design patterns and CSS best practices
• Experience in reviewing the technical design and implementation of other frontend team members
• Ability to Suggest better alternatives to existing solutions for improving the solution quality (both functional and non-functional problems) 
• Ability to coach and line-manage senior frontend engineers, to help them grow their career
• Experience in Typescript and contemporary FE development frameworks like ReactJS, Angular & VueJS is preferred

QUALIFICATIONS & CHARACTERISTICS

• 8+ years of industry experience.
• Analytic and positive mindset with a personable and professional approach.
• Sharp attention to detail and a passion for new technology.
• Professional written and verbal communication.

1. Hands on Expert in UI/Front End Engineering/Development specifically React,
2. Redux, NodeJs who can code, design and own front end development and code.
3. Experience in React v16, Reach Redux, React Fibre and JavaScript advance (ES6+),
4. Experience in Advance State Management [Example: Redux, Mobx, RxJs, GraphQL etc]
5. Good experience on UI framework like Angular JS/ Vue JS/ Ext JS/jQuery/ React JS or equivalent SPA framework
6. Experience in HTML5, Javascript CSS3, ExpressJs, GraphQL
7. Strong understanding of Rest APIs, Web Sockets, Service Workers, HTTP/S Protocol, Web Security and Cloud Infrastructure, CI/CD, Web Packaging and Optimization, UX and Styling.
8. Expertise in Advance Java-Scripts
9. Knowledge and experience with Data Structure and Design methodologies.
10. Problem solving skill
11. Good experience working in Agile/Scrum teams
12. Good written and verbal communication skills.

• 3 to 5 years of experience in UI Development and hands on experience on Angular2 or Angular 2+, Node etc.
• Exposure to cross browser compatibility issues, SCSS as the CSS macro-processor, sprites etc.
• Experience with Jira, SVN, Git will be added advantage
• Passionate and eager to learn new technologies
• Intimately knowledgeable about all things web and mobile
• Demo able portfolio on website or GitHub will be given preference
• Must have knowledge on Java script, jQuery, ECMAScript
• Strong proficiency in JavaScript (ES6) or TypeScript
• Familiarities with modern JavaScript tools, like npm and webpack
• Excellent technical design, problem solving and debugging skills.
• Experience building JavaScript/CSS Frameworks or shared component libraries used in large scale production websites.
• Understands frontend software design patterns (e.g. asynchronicity, data binding, modules, objects, promises).
• Knowledge of professional software engineering practices & best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations.
• Working with MVVM, MVP, MVC patterns

Requirements

• Convert design to Angular 5 components
• Use SCSS as the CSS macroprocessor
• Integrate the Angular services with APIs from the backend team
• Implement UI development best practices to write optimized and non-buggy code
• Work in Agile environment with sprint releases ranging from 2 to 4 weeks
• Feasibility study of requirement and suggest multiple approaches for a problem after sufficient RnD
• Keep abreast with trending recent UI tools, technologies, plugins and software in the industry
• “Roll-up your sleeves” attitude to get things done
• Test your screens using a tool for all browsers and resolution compatibility
• Handle and track tasks assigned using Agile methodology
• Strong commitment towards quality and schedule.
• Cross team coordination

AutoScheduler is looking for a remote Front-End Full-Stack Developer to join our talented team. The ideal candidate is a self-starter who is interested in constant learning. We want this person to join our dynamic team as we take an established software and re-develop it from scratch as a part of a new start up.

We are looking for a Front-End developer responsible for rebuilding the back-end and front-end components of the AutoScheduler user interface. Your primary responsibilities will be to design and develop these applications and services, and to coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, robust design, and quality product is essential.