React 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).

About Gyaan:

Gyaan empowers Go-To-Market teams to ascend to new heights in their sales performance, unlocking boundless opportunities for growth. We're passionate about helping sales teams excel beyond expectations. Our pride lies in assembling an unparalleled team and crafting a crucial solution that becomes an indispensable tool for our users. With Gyaan, sales excellence becomes an attainable reality.

About the Job:

Gyaan is looking for a Senior React JS developer to join our dynamic team! As a Senior React JS developer, you will be responsible for building components and modules using React and associated tooling (Redux, React-query, Indexed-DB, Material-UI). Team management and Mentoring experience is required.

Responsibilities:

• Build components and modules using React.
• Building the core front-end infrastructure, design systems, and libraries.
• Convert Figma designs into reusable front-end components.
• Translation of designs and wireframes into high-quality code.
• Collaborate closely with designers, engineers, founders, and product managers.
• Take ownership of products and features & releases, Should be able to mentor junior developers, Code reviews, Feature Review & Allocation of tasks.

Must-Have Skills:

• 4-6 years of production experience with React JS and associated tooling (Redux, React-query, Indexed-db, Material-UI)
• 3+ years of Typescript experience, including asynchronous programming, closures, types, and ES6/ES7.
• Thorough understanding of React.js and its core principles, including virtual DOM, data binding, State & Props and React Lifecycle and Redux.
• Experience with front-end technologies such as HTML5, JSS, CSS etc.
• Experience consuming and transforming internal and 3rd party API's using REST
• Experience with code quality and reusability practices (eslint, prettier, CI/CD for front-end repos)
• Knowledge of cross-browser compatibilities, responsiveness, and web accessibility standards.
• Good experience of Front-end/React best practices, code reviews, design documentation, debugging, troubleshooting, and agile development
• Communication: You like discussing a plan upfront, welcome collaboration, and are an excellent verbal and written communicator.
• Good to have If you have implemented complex features like authentication/authorization, I18N, logging, security, and testing into developer boilerplates to minimize production errors.

Qualifications:

• Bachelor’s degree in Computer Science or equivalent experience.

If you are passionate about solving problems and have the required qualifications, we want to hear from you! You must be an excellent verbal and written communicator, enjoy collaborating with others, and welcome discussing a plan upfront. We offer a competitive salary, flexible work hours, and a dynamic work environment.

Apply now and join our team of skilled professionals!

If this role interests you, kindly apply on below link & also review JD & company details:

https://gyaan.keka.com/careers/jobdetails/17678

Position Overview: We are seeking a talented and motivated ReactJS Intern to join our team for a 6-month full-time internship. This is a fantastic opportunity for someone with prior internship experience to deepen their knowledge and skills in ReactJS while working on cutting-edge projects.

Responsibilities:

• Collaborate with the development team to design, develop, and maintain web applications using ReactJS.
• Write clean, maintainable, and efficient code.
• Participate in code reviews and contribute to the improvement of the codebase.
• Work closely with designers to implement user interfaces and user experiences.
• Assist in troubleshooting, debugging, and optimizing applications.
• Stay updated with the latest industry trends and technologies related to ReactJS.
• Contribute to the documentation of technical processes and workflows.
• Engage in team meetings and brainstorming sessions to contribute innovative ideas.

Requirements:

• Previous internship experience in a software development role.
• Knowledge of ReactJS and its core principles.
• Proficiency in JavaScript, HTML5, and CSS3.
• Familiarity with RESTful APIs and asynchronous request handling.
• Understanding of modern front-end build pipelines and tools.
• Experience with version control systems, preferably Git.
• Excellent problem-solving skills and attention to detail.
• Ability to work effectively in a collaborative team environment.
• Strong communication skills and the ability to articulate technical concepts clearly.

Nice to Have:

• Understanding with state management libraries like Redux or Context API.
• Knowledge of TypeScript and its integration with ReactJS.
• Familiarity with front-end testing frameworks and tools (e.g., Jest, Enzyme).
• Understanding of responsive design principles and mobile-first development.
• Experience with CSS preprocessors like SASS or LESS.

What We Offer:

• Hands-on experience with real-world projects and modern technologies.
• Mentorship and guidance from experienced professionals.
• A collaborative and inclusive work environment.
• Opportunity to contribute to meaningful projects and make a real impact.
• Competitive stipend and potential for a full-time position upon successful completion of the internship.

Murf AI is a fast-growing Series A-funded startup backed by Elevation Capital and Matrix Partners India. Founded in 2020 by alumni of IIT Kharagpur, we have served 2 Mn+ voice-over projects through our core product, the Murf Studio, which now caters to customers in 100+ countries. 

We are working on simplifying voice audio and making high-quality voiceovers accessible to everyone, using artificial intelligence. Murf helps users create lifelike voiceovers in a matter of minutes, without the need for any recording equipment. (https://murf.ai/).

Some interesting facts about Murf AI:

Customers in 100+ countries

1Mn+ registered users

7X growth in revenue in the last 12 months

120+ voices in 20+ languages offered by Murf Studio

Job Description

We are looking for a React.js developer who has a good knowledge of modern (ES6+) Javascript to build the next generation of Murf AI Studio’s frontend. You would be responsible for building a feature packed cloud based tool for generating and editing synthetic media. You will build user-facing components and implement them with different workflows and toolchests like Redux and Flux. Your primary focus will be to develop a stable, robust, aesthetic and maintainable product. You also need a good understanding of the toolchain of modern web development including packers and transpilers and apply these pragmatically to achieve high quality deliverables.

Responsibilities

• Create new features or parts of applications, with a natural ability to deliver on short timelines.
• Develop components and libraries that are reusable and future-proof
• Confident in using UI/UX designs or wireframes to create the respective code and the application
• Use your knowledge on React.js and its lifecycle to maximise components performance across different devices and browsers
• Work with design and content teams, to improve customer facing landing and resource pages. 

Required Skills & Qualifications

• 1-3 years of experience in building complex react based applications
• Bachelor's degree in CS or similar fields
• Deep understanding of React.js and its fundamentals, ideally including modern features like hooks
• Excellent understanding of Javascript including the OOP concept and how shadow DOM and DOM work
• Experience with widely used React.js state managers like Flux, Redux, Thunks or Sagas
• Knowing modern ECMAScript
• Experience with data structure libraries like Immutable.js
• Knowledge of RESTful APIs
• Familiarity with modern front-end build pipelines and tools like Webpack, Babel, NPM etc.
• Knowledge of the overall browser rendering behaviour and measuring and optimising performance
• Strong hands-on experience with source code management systems like Git
• Understanding of what the business / stakeholders need and transfer that into your project

Extra Awesome

• Animation skills using CSS/SVG/JS
• Experience with AWS technologies such as Cloudfront, Lambda, S3.
• Understanding of authorisation mechanisms like OAuth, JSON Web Token
• Understanding of on-site Technical SEO and accessibility concepts

• 3-5 years of experience developing and implementing software applications.
• Previous experience working as a React.js Developer.
• Knowledge in e-Commerce domain will be a plus.
• In-depth knowledge of JavaScript, CSS, HTML and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Experience with REST API's 
• In-depth understanding of Javascript, the DOM, and relevant concepts.
• Knowledge of modern authorization mechanisms, such as JSON Web Token. 
• Experience with user interface design.
• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Experience with browser-based debugging and performance testing software.
• Proficient understanding of code versioning tools, such as Git, Github.
• Excellent troubleshooting skills.

Not just a delivery company…

RaRa Delivery is revolutionising instant delivery for e-commerce in Indonesia through data driven logistics.

RaRa Delivery is making instant and same-day deliveries scalable and cost-effective by leveraging a differentiated operating model and real-time optimisation technology. RaRa makes it possible for anyone, anywhere to get same day delivery in Indonesia. While others are focusing on ‘one-to-one’ deliveries, the company has developed proprietary, real-time batching tech to do ‘many-to-many’ deliveries within a few hours.. RaRa is already in partnership with some of the top eCommerce players in Indonesia like Blibli, Sayurbox, Kopi Kenangan and many more.

We are a distributed team with the company headquartered in Singapore 🇸🇬 , core operations in Indonesia 🇮🇩 and technology team based out of India 🇮🇳

Future of eCommerce Logistics.

• Data driven logistics company that is bringing in same day delivery revolution in Indonesia 🇮🇩
• Revolutionising delivery as an experience
• Empowering D2C Sellers with logistics as the core technology

A section describing benefits and life at your company is a great way to attract talent.

1. Architect, build, and maintain excellent React Native applications with clean code.
2. Implement pixel-perfect UI's that match designs.
3. Implement clean, modern, smooth animations and transitions that provide an excellent user experience.
4. Integrate third-party APIs.
   1. Work as part of a small team to build applications.
5. Write unit and integration tests.
6. Release applications to IOS and Google Play stores.
7. Work with native modules when required.
8. Work as part of a small team, which will include other React Native developers, a project manager, QA professional, and designer.
9. Complete two-week sprints and participate in sprint retrospectives and daily standups.
10. Assist with building estimates.
11. Interface with clients via Slack, Zoom, and email.
12. Track your time throughout the day using Toggle.
13. Work with modern tools including Jira, Slack, GitHub, Google Docs, etc.
14. Be part of a community of React Native developers who share knowledge and help each other as problems arise

If you are looking to be part of the early-stage start-up team that is charting the course and solving a key pain point for the CXO, this opportunity is for you. The opportunity will provide you join a company where you can contribute to all aspects of the product definition, product building and solving some key challenges.

• Architect solutions and execution through hands-on development, quality-assurance, and prototyping 
• Collaborate with a UX/UI designers and other front-end and middle-tier engineers to design, prototype, and build user interface for complex cloud-based product 
• Participate in complete development life cycle activities like design, coding, testing and production release 
• Develop and maintain a scalable web and responsive applications 
• Exhibit Devops mindset – Work on continuous integration, including provisioning, deployment, testing, and version control of the software 
• Mentor new software developers and junior engineers

• Passionate engineer with 5 – 8 years of hands-on experience of developing next-generation user interface with high quality and performance 
• Strong desire to learn & evaluate new libraries/frameworks, and share knowledge with others 
• Ability to work in a fast-paced and agile development environment 
• Sound knowledge of front end standards and practices 
• Translating designs and wireframes into high-quality code 
• Knowledge of Redux, React.js and its core principles 
• Familiarity with RESTful APIs 
• Strong proficiency in JavaScript, AJAX, HTML5, CSS3, JSON, including DOM manipulation and the JavaScript object model 
• Experience with popular JS frameworks and libraries (React, Angular, JQuery, Ember, Babel, Webpack etc.) 
• Experience of building Single-page Web Apps 
• Ability to understand business requirements and translate them into technical requirements 
• Experience with test automation: TDD, unit/integration/functional testing 
• Proficient with debugging and testing tools to troubleshoot and optimize the UI 
• Solid understanding of object-oriented design and programming concepts, core JavaScript concepts like scope/closures, the event loop and asynchronous callbacks, promises

Good to have

• Full-stack development experience 
• Prior Startup Experience 
• Prior experience in developing real-time web applications 
• Experience with continuous deployment 
• Proficiency with Git/Github 
• Experience with GraphQL

Success Factors

• Start-up mindset 
• Good problem solving abilities 
• ‘Can-do’ attitude 
• Prior experience of working with globally distributed teams is an added advantage 
• Work with minimal supervision 
• Excellent communication skills and being able to work independently or in a full team

• Portfolio is must for the profile.
• Good understanding of Javascript, CSS, HTML5, AJAX.
• Hands on with React JS.
• Understanding of responsive frameworks such as BootStrap or SemanticUI.
• Extensive knowledge of DOM scripting with native JavaScript and JS frameworks such as jQuery.
• Experience in delivering Cross-browser and cross platform compatible solutions.
• Basic knowledge of UI design.
• Excellent problem-solving and analytical abilities.
• Experience with agile development practices such as continuous integration and deployment.
• Fluency with version control platform Git.
• Minimum 1+ years of UI development experience.