ExtJS Developer
at One of the leading product-based companies in India.
Mandatory Skills
- Very strong hands on experience of web technologies: - HTML JavaScript, HTML5/CSS3,
- 3 + years of UI Development Experience
- Has implemented coding patterns and built UIframework
- Cross browsers support/experience and knowledge of DOM manipulation on different browsers
- Performance enhancements on web page load and execution
- Experience with tools like Firebug.
- Basics knowledge on Ajax, jsp etc.
- Experience in Adobe Photoshop & Adobe Dreamweaver to mock up UIelements.
- Knowledge in any prototyping tools.
- Use responsive web design to create applications that automatically conform to multiple screen sizes/devices.
- Conduct usability testing to identify and fix UIissues
- Familiar with popular UIlibraries like Sencha, AngularJS, ExtJS & JQuery
- Collaborate with business analyst to discuss user interface requirements and brainstorm UIideas.
Job roles and Responsibilities:
- Ability to develop UIframework on JavaScript and CSS which confines to requirement of Solutions.
- Ability to work on cross browser compatibility
- Develop reusable components.
- Work closely with other developers in the team

Similar jobs
Job Title : React.js Developer with PWA Studio
Location : Remote
Experience : 10+ Years
Job Description :
We are looking for a highly experienced Frontend Developer with a strong background in React.js and PWA Studio to work on cutting-edge eCommerce solutions built on the Magento platform.
This role requires deep expertise in Progressive Web App development (PWA), frontend architecture, and performance optimization.
Mandatory Skills :
React.js, Next.js, PWA Studio, Magento 2.x integration, JavaScript (ES6+), HTML5, CSS3, Redux, RESTful APIs, GraphQL, Git, performance optimization, responsive design.
Key Responsibilities :
- Design and develop high-performance, scalable front-end solutions using React.js and Next.js.
- Build and optimize Progressive Web Apps (PWAs) using Magento PWA Studio.
- Collaborate with backend developers to integrate with Magento 2.x APIs and ensure seamless user experiences.
- Implement and maintain responsive UI components using HTML5, CSS3, JavaScript (ES6+), React, and Redux.
- Optimize application performance using tools like Lighthouse, Webpack, and advanced code-splitting techniques.
- Develop and maintain robust CI/CD pipelines and manage deployments via Vercel.
- Ensure high code quality by writing unit and integration tests using frameworks such as Jest, Mocha, or Cypress.
- Work closely with product and design teams in an Agile environment to deliver user-centric solutions.
Mandatory Skills :
- 10+ years of frontend development experience.
- Expert in React.js, Next.js, and JavaScript (ES6+).
- Hands-on experience with Magento PWA Studio.
- Proficient in HTML5, CSS3, Redux, and responsive design.
- Deep understanding of RESTful APIs and GraphQL.
- Strong knowledge of Git and version control best practices.
- Solid experience in performance optimization for web applications.
Good to Have :
- Experience with Magento 2.x backend.
- Prior experience deploying frontend apps with Vercel.
- Familiarity with serverless architecture and CI/CD in cloud environments.
Location: Mumbai
Experience Required: 2+ Years
Job Type: Full-Time
Notice Period: Immediate Joiners
About the Role
We are seeking a skilled and experienced Front-End Developer to join our product engineering team. The ideal candidate must have experience working in a product-based software development company and should have hands-on involvement in e-commerce platform projects.
Mandatory Criteria
- Candidate must be currently working or have prior experience in a product-based software development company
- Candidate must have worked on at least one e-commerce platform project (end-to-end involvement)
Key Responsibilities
- Develop and maintain responsive, high-performance web interfaces using React.js
- Translate UI/UX designs into pixel-perfect, reusable front-end components
- Optimize components for maximum performance and cross-browser compatibility
- Integrate front-end components with backend RESTful APIs
- Collaborate with design, backend, and QA teams to deliver seamless user experiences
- Participate in code reviews, testing, and agile development ceremonies
Required Skills
- Strong proficiency in JavaScript (ES6+), React.js, HTML5, and CSS3
- Experience with state management libraries such as Redux or Zustand
- Solid understanding of responsive design and cross-browser compatibility
- Familiarity with RESTful APIs and API integration
- Knowledge of version control systems like Git
- Understanding of performance optimization, debugging, and front-end testing practices
Responsibilities
Ability to work on a cross-functional team within a very agile team, delivering on time and with high quality
Adjusts and defines new processes as they arise due to known and unknown customer/engineering requirements as it relates to frontend web development
Provides feedback on frontend architecture, code organization and CI/CD infrastructure for the team
Staying up to date with the best practices and future frontend development
Provides frontend leadership expertise and mentoring to other developers on not only the team, but the engineering organization as a whole
Takes pride in delivering ground breaking UI to web applications
Working closely with UX designers to turn their ideas into reality as it relates to creating visualizations for next generation cybersecurity
Qualifications
Proficient in developing large REACT Web Applications
Experience with Django applications
Proficient with TypeScript
Experience with Postgres or other relational database(s)
Experience developing REST APIs with authentication and scaling
Familiarity with some ORM (Object Relational Mapper) libraries
Cloud computing architectures (AWS, Azure, Google Cloud)
Experience with Docker a plus
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.
Roles and Responsibilities:
- 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.
Experience and Qualifications:
- 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.
Responsibilities :
· In-depth knowledge in web markup, including HTML5, CSS3, client-side scripting, and JavaScript frameworks, including jQuery
· Good understanding of asynchronous request handling, partial page updates, and AJAX
· Deep knowledge of Angular 2+ (Typescript)
· Strong knowledge of CSS3 extended languages such as SASS / LESS
· Implementing responsive design for mobile sites
· Ability to write high-performance, reusable code using JS best practices.
· Experience in code optimization and refactoring.
· Experience working with theme frameworks like Bootstrap or any Material Design libraries
· Comfortable with JSON data manipulations
· Good understanding of cross-browser compatibility issues and ways to work around them
· Experience with version control, such as Git
· Testing the site during development for usability and fixing any bugs.
· Cooperating with web designers to match visual design intent.
· The role requires constant interaction with other developers in the team
Kindly revert with your updated resume
THANK YOU
Job description for react js developer
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.
- To ensure success as a React.js Developer, you should have in-depth knowledge of JavaScript and React concepts, excellent front-end coding skills, and a good understanding of progressive web applications. Ultimately, a top-class React.js Developer should be able to design and build modern user interface components to enhance application performance.
React.js Developer Responsibilities :
- Meeting with the development team to discuss user interface ideas and applications.
- Reviewing application requirements and interface designs.- Identifying web-based user interactions.
- Developing and implementing highly-responsive user interface components using React concepts.- Writing application interface codes using JavaScript following React.js workflows.
- Troubleshooting interface software and debugging application codes.- Developing and implementing front-end architecture to support user interface concepts.
- Monitoring and improving front-end performance.- Documenting application changes and developing updates.
React.js Developer Requirements :
- Bachelor's degree in Computer Science, Information Technology, or a similar field.
- Experience of 1 year working as a React.js Developer.- In-depth knowledge of JavaScript, CSS, HTML and front-end languages.
- Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.- Knowledge of performance testing frameworks including Mocha and jest.
-Familiarity with code versioning tools such as Git, SVN, and Mercurial popular frontend development tools, CI/CD tools, DevOps.
- Experience with browser-based debugging and performance testing software.- Excellent troubleshooting skills.
- Good project management skills.Hiring - React.JS Developer Freelance Consultant (WFH-Remote)
Greetings from Deltacubes Technology!!
Skillset Required
- React.JS
- Graphql
- Magento
Experience: 5+ years
Thanks
Deena
Talent Acquisition Specialist
Position: Lead Frontend Engineer
Location: Bangalore, IN (currently remote)
Employment: Full time
Who We Are?
EmptyCup is an interior design platform. Our goal is to make good interior design accessible. Learn more about us here: https://drive.google.com/file/d/1_PBkSaHLep-QsZzRWdKMI3amc-KFe99z/view">intro presentation
You can also checkout our https://emptycup.in/">website to know more about our product offering.
Job Description
- Use your passion and deep understanding of front-end technology to create high-impact and performant user experiences.
- Lead the most creative collaboration in a cross-functional team, having design, product, and frontend teams.
- Brainstorm features with product and design teams to influence decisions guided by the possibilities and limitations of the codebase as well as the current state of technology.
- Proactively perform code reviews and participate in architecture and design discussions.
- Adopt and ensure best practices while developing, testing, maintaining, and deploying code.
Requirements
An engineer passionate about front-end who can work on projects independently, collaborate across teams, and provide mentorship and guidance to others.
- Has an experience of 4-5 years in the work
- Experience with ReactJS (knowledge of internals is a plus)
- Well versed in HTML, CSS, and JavaScript, and in a variety of design patterns
- Experience with build tools like webpack, babel, etc.
- Understanding of core UI/UX concepts
- Hands on experience Rest API, Databases, Microservices, Architecture
- Understanding of front-end security and performance testing
HR
Experience : Minimum 1 year to 2 years experience required.
Education: Any Engineering Graduate
Work Location: Anywhere in India (Remote Work)
Job Requirements:
- 1+ years of professional experience in Information Technology field as Front End Developer
- Strong experience in HTML, CSS, Java Script, JQuery and Bootstrap
- Knowledge of formal methods and techniques in software development
- Experience / Knowledge in the following technologies/languages/libraries/frameworks:
- Exposure server side programming using Python / PHP / Java / C#
- Experience with Version Control Software (GIT)
- Ability to work independently and direct a team of any size (small to medium or large)
- Excellent written and oral communication skills
If the above assignment and work practice are exciting you, then apply. We will invite video call meeting for shortlisted candidates after assessment.











