Role - Javascript developer
Location - Jaipur
Experience - 1-5 years
Skills and Qualifications
● Experience in developing front-end components using Object-Oriented
JavaScript, HTML5, and CSS3
● Skilled at Object-Oriented JavaScript and having a working knowledge of at least one
of the following Frameworks (Angular, React etc.)
● Add on Excellent knowledge of working with dynamic data (e.g., JSON, XML)
●Good understanding of version control systems like Git
Roles and Responsibilities
● Develop new user-facing features.
● Optimize applications for maximum speed and scalability.
● Assure that all user input is validated before submitting to back-end services.
● Collaborate with other team members and stakeholders.
● Identify and establish best practices and frameworks keeping in mind the parameters of
performance, responsiveness, and reuse
● Translate designs and style guides into interactive user interfaces, ensuring cross
browser compatibility, performance and robustness
● Deliver high-quality code that is maintainable and readable.
● Develop and maintain features using JavaScript frameworks such as Angular or
React Skills

About Extern Labs
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Job overview:
We are seeking an experienced React.js Developer who is passionate about crafting high-quality, scalable, and performant front-end applications. The ideal candidate should have strong hands-on experience in modern JavaScript frameworks, UI development, and a keen eye for detail.
Key Responsibilities
- Develop and maintain responsive web applications using React.js, JavaScript (ES6+), HTML5, and CSS3.
- Build scalable and reusable UI components with React Hooks, Redux/Context API, and component-driven architecture.
- Optimize app performance to ensure fast load times, smooth interactions, and cross-browser compatibility.
- Write clean, modular, well-documented code following industry best practices and Git-based workflows.
- Troubleshoot, debug, and enhance existing features based on user feedback, analytics, and technical requirements.
- Integrate RESTful APIs and collaborate closely with backend engineers, designers, and product managers.
- Stay updated with emerging trends, tools, and best practices in front-end development to continuously improve the codebase and architecture.
Required Skills
- 4+ years of hands-on experience in React.js and JavaScript (ES6+).
- Strong understanding of HTML5, CSS3, Flexbox, Responsive Design, and UI frameworks (Tailwind/Bootstrap).
- Experience with state management using Redux, Redux Toolkit, or Context API.
- Hands-on experience with REST APIs, asynchronous programming, and front-end build tools (Webpack, Babel, npm/yarn).
- Good understanding of version control using Git.
- Ability to write efficient, scalable, and re-usable components following best practices.
1. Determining the structure and design of web pages.
2. Ensuring user experience determines design choices.
3. Developing features to enhance the user experience.
4. Ensuring web design is optimized for smartphones.
5. Building reusable code for future use.
6. Optimizing web pages for maximum speed and scalability.
7. Utilizing a variety of markup languages to write web pages.
8. Maintaining brand consistency throughout design.
Front End Developer Requirements:
1. Degree in Computer Science or related field.
2. Understanding of key design principles.
3. Proficiency with nodejs, react, redux.
4. Understanding of server-side rendering.
5. Good problem solving skills
As a Frontend Engineer with a focus on Next.js and React, you will focus on fixing UI bugs and building new features
Position: Frontend Engineer (Next.js/React)
Location: Hyderabad
Type: Part-time, Remote
Responsibilities:
- Develop user-facing features and components using Next.js and React
- Optimize existing components
- Update packages
- Identify and address performance bottlenecks and troubleshoot UI issues
Qualifications:
Proficiency in Next.js and React.js is a must
Strong understanding of HTML5, CSS3, and JavaScript (ES6+)
Experience working with RESTful APIs and GraphQL
Familiarity with version control systems such as Git
Experience with state management libraries (e.g., Redux, MobX) is a plus
Knowledge of build tools like Webpack and Babel
Excellent problem-solving skills and attention to detail
Ability to work independently and as part of a team in an agile environment
- 1 - 5 years of experience as React JS developer
- Strong proficiency in JavaScript, Typescript React, Redux, HTML5 and CSS.
- Familiarity with RESTful APIs and WebSocket communication
- Experience with responsive design and development.
- Strong hold of front-end functionalities including browser testing and debugging.
- Experience working in Agile development methodology is a plus
- Excellent communication skills and an ability to work effectively in cross-functional and collaborative teams
Work Location : Bangalore
Work mode : Work from office
About Rara Delivery
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.
About the Role
- Architect, build, and maintain excellent React Native applications with clean code.
- Implement pixel-perfect UI's that match designs.
- Implement clean, modern, smooth animations and transitions that provide an excellent user experience.
- Integrate third-party APIs.
- Work as part of a small team to build applications.
- Write unit and integration tests.
- Release applications to IOS and Google Play stores.
- Work with native modules when required.
- Work as part of a small team, which will include other React Native developers, a project manager, QA professional, and designer.
- Complete two-week sprints and participate in sprint retrospectives and daily standups.
- Assist with building estimates.
- Interface with clients via Slack, Zoom, and email.
- Track your time throughout the day using Toggle.
- Work with modern tools including Jira, Slack, GitHub, Google Docs, etc.
- Be part of a community of React Native developers who share knowledge and help each other as problems arise
Job Description:
Translating system requirements into the design and development of systems.
Transform vital business needs into code and drive innovation.
Collaborating and integrating code into enterprise systems.
Creative problem-solving skills.
Attitude to achieve the goals with complete ownership and hard work.
Technical Skills:
Must Have:
- 2+ Years of experience in UI/Front-end development of rich interactive web-based applications or modules.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
- Experience working as a React.js Developer. Thorough understanding of React.js and its core principles.
- In-depth knowledge of JavaScript, CSS, HTML, HTML 5, JSON, XML and front-end languages.
- Knowledge of REACT tools including React.js, Webpack, Enzyme.
- Knowledge of MVC Pattern and Architecture. Experience with popular React.js workflows (such as Flux or Redux)
- Experience with user interface design.
- Experience with web debugging and performance testing software.
- Experience in all testing phases of development including Unit & Integration Testing.
- Excellent troubleshooting skills.
- Team player
- Excellent time-management skills
Beneficial:
- Working experience with Core Java.
- Knowledge of Jquery , Nodejs, Bootstrap, Struts, Spring, Hibernate, JSP, JSF, Angular, Vue,js Framework.
- Working with Databases (MSSQL, Oracle, Postgres)
- Working experience on source code version control systems (SVN, GIT)
- Working experience on Issue Tracking tool e.g. Jira, Bugzilla
- Working experience on Code Analysis tools e.g. Sonar Qube, Checkmarx.
- Experience in Restful Web Services integration.
- Knowledge of performance testing frameworks including Mocha and Jest.
- Independent worker
- Great interpersonal and communication skills
Responsibilities
- Participate as a team member in all phases of software development lifecycle.
- Co-ordinating with the team on individual responsibilities and roadblocks.
- Perform design, development and testing on individual tasks
- Managing initiatives on UI/UX work
- Transparently share the challenges & feedbacks.
- Participate in integrated testing of product/ package.
- Designing a modern highly responsive web-based enterprise application component user interface.
- Building reusable components and front-end libraries for future use.
- Translating designs and wireframes into high-quality code.
- Learn and understand user interactions.
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
- Coordinating with various teams working on distinct layers.
- Providing technical assistance to the other teammates.
- Keep compliance with Quality Systems and Procedures.
- Designing and developing user interfaces using AngularJS best practices.
- Adapting interface for modern internet applications using the latest front-end technologies.
- Writing JavaScript, CSS, and HTML.
- Developing product analysis tasks.
- Making complex technical and design decisions for AngularJS projects.
- Developing application codes and unit tests in AngularJS, Java Technologies, and Rest Web Services.
- Conducting performance tests.
- Consulting with the design team.
- Ensuring high performance of applications and providing support.
Requirements :
- Bachelor's Degree in Computer Science, Computer Engineering or similar.
- Previous work experience as an AngularJS Developer.
- Proficient in CSS, HTML, and writing cross-browser compatible code.
- Experience using JavaScript building tools like Gulp or Grunt.
- Knowledge of JavaScript MV-VM/MVC frameworks including AngluarJS.
- Excellent project management skills.
- Proven experience implementing front-end and back-end JavaScript applications.
- Excellent communication skills.
- Critical thinker and good problem-solver.
Headquarters : Gurgaon, Haryana
Year founded : 2015
Work Location : Gurugram
Job Description –
Job Role - Software Developer Frontend
Key Capabilities
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
- Knowledge of isomorphic React is a plus
If you think you are one of them then please reply with your interest and we will take your candidature ahead for the next level of evaluation. Below information would be appreciated more:
Current CTC:
Expected CTC:
Notice Period:
Update Resume: please attach
Looking forward to taking you to the next level of technology.








