Reactjs Developer

Job Summary:

We are looking for a skilled ReactJS Developer with 4–7 years of experience to build scalable, high-performance web applications. The ideal candidate should have strong expertise in modern JavaScript frameworks, state management, and frontend architecture, along with exposure to backend integration and deployment practices.

Key Responsibilities:

• Develop and maintain responsive web applications using React (v17+)
• Build reusable components and front-end libraries for future use
• Implement state management using Redux and React Query
• Integrate APIs (REST/GraphQL) efficiently with frontend applications
• Optimize applications for maximum performance and scalability
• Collaborate with cross-functional teams (Design, Backend, DevOps)
• Ensure code quality through best practices, testing, and reviews
• Manage routing and navigation using React Router
• Work with CI/CD pipelines and deployment processes
• Participate in architecture discussions and technical decision-making

Required Skills & Qualifications:

• Strong experience in ReactJS (v17+)
• Proficient in JavaScript (ES6+) and TypeScript
• Hands-on experience with Redux and React Query
• Solid understanding of HTML5, CSS3, and CSS preprocessors / CSS Modules
• Experience with React Router for navigation
• Strong knowledge of REST APIs / GraphQL integration
• Familiarity with Webpack and frontend build tools
• Experience with Docker and containerized environments
• Knowledge of CI/CD pipelines and deployment processes
• Proficient in Git version control

Job Title : Frontend Developer (React + Three.js)

Location : Noida

Experience : 2+ Years

Job Description :

We are looking for a Frontend Developer with strong skills in React.js and Three.js to build interactive, high-performance 3D web applications. The role involves creating smooth 3D experiences, optimizing performance, and collaborating with cross-functional teams.

Key Responsibilities :

• Develop responsive and dynamic UIs with React.js/Next.js.
• Implement and optimize 3D visualizations using Three.js/WebGL.
• Manage 3D assets (GLTF/GLB, textures, compression).
• Ensure performance optimization, cross-browser compatibility, and scalability.
• Collaborate with designers and backend teams to deliver seamless experiences.

Required Skills :

• JavaScript/TypeScript, React.js/Next.js
• Three.js / WebGL for 3D rendering & interactions
• State management (Redux, Zustand, Context API)
• 3D asset pipeline (GLTF/GLB, textures, compression tools)
• Performance optimization (profiling, draw calls, FPS tuning)
• API integration (REST/GraphQL)
• Version control (Git)

• 1 - 5 years of Experience
• Strong Experience in HTML 5, CSS 3 and Bootstrap 3,4 
• Material UI
• Responsive design in website and mobile
• Grid System
• React.js an added advantage

Ability to learn quickly and work in a fastest growing technology

What You'll Do:

• You will collaborate with a UX/UI designer and other frontend and middle-tier engineers to design, prototype, and build complex cloud-based web applications.
• You will assist other developers with the integration of UI components with backend logic, interface implementation, and troubleshooting.
• Supporting the existing UI is a must, however, there will be plenty of opportunities to create solutions for advanced functionality while making improvements to existing areas of the application, as well as with new features.

What Makes You A Great Fit :

• Hands-on experience with HTML, CSS frameworks, and JavaScript
• Must have an excellent understanding of the browser DOM.
• Firm grasp of lexical scoping, closures, and OO JavaScript.
• Proficient in native JavaScript as well as one or more frameworks/libraries such as jQuery, Ext JS, Backbone.js, ReactJS, Angular 6 and above, etc.
• Proficient with debugging and testing tools to troubleshoot and optimize the UI.
• Understanding of frontend security best practices and XSS, CSRF, e

About us:  

We are a fiercely restless creative studio with a broad vision across design & product experiences. Big brands and startups approach us because they find a cool team of committed individuals with great taste, obsessed with technology, originality, music, art & quality. We believe in independence, curiosity, experimentation and reinvention as the beacons to navigate the world. Learn more about us: ​https://grappus.com/">https://grappus.com/ 

About the role:

We are seeking a Frontend developer who has a knack for coming up with creative solutions to unique problems. You should have good time management skills and be able to work both autonomously and collaboratively with a cross-discipline team of product managers, strategists, UX designers, art directors, and developers. Most importantly, you have an eye for detail and the ability to make beautiful designs come to life through code. 

What we’d like to see:

• Developing new user-facing features using React Native
• Building reusable components and 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
• Developing and implementing strong algorithms/techniques for solving problems in a high-volume, high-availability environment
• Good knowledge of User Interface patterns and techniques to solve common UI problems
• Solid understanding of building scalable, maintainable and efficient user interfaces

Must Have:

• Strong proficiency in JavaScript , the JavaScript object model and ES6
• Thorough understanding of React.js and its core principles
• Experience with state management libraries like Redux, Mobx etc.
• Familiarity with Android / iOS platforms and ability to link native libraries with React Native
• Familiarity with newer specifications of EcmaScript 6
• Experience with data structure libraries (e.g., Immutable.js, immer)
• Knowledge of isomorphic React is a plus
• 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
• A knack for benchmarking and optimization
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial
• Familiarity with frameworks like Bootstrap, Backbone, Angular,  React JS, and libraries like jQuery, LESS and Ajax

Nice to Have:

• Personal projects or contributions to the open source community
• Strong organizational skills to juggle multiple tasks within the constraints of timelines
• Team player (those great personality types that people love to work with)
• Great communication skills 

Benefits of being part of our amazing team:

• Flexible working hours
• We don’t track your leaves & work-from-home
• Freedom to implement latest technologies & new ideas
• Lots of in-house training sessions &  an in-house product lab
• A pretty unique & unconventional culture and a damn cool office space
• Lots of ways to have fun - TT,  Indoor basketball, PS4, board games and variety of books to read