React.js Developer

Role Overview:

We’re hiring a WebGL/Three.js Engineer who is passionate about 3D rendering and browser-based visual experiences. This is a hands-on WebGL/Three.js role where you’ll own the rendering pipeline - from 3D asset ingestion to advanced shaders and real-time lighting.

You will build high-performance, photorealistic, and smooth 60fps experiences across devices, crafting custom rendering solutions that push the limits of WebGL.

What You’ll Build:

1. 3D Rendering & Visualization:

• Develop and optimize real-time 3D viewers running at 60fps across all devices
• Implement advanced rendering: PBR, IBL, shadows, reflections
• Create custom shaders for metals, glass, fabrics, transparency, and complex materials
• Build dynamic lighting systems for photorealism
• Implement AR placement and real-world environmental rendering
• Add post-processing effects: bloom, AO, depth of field, color grading
• Build interactive 3D configurators with real-time customization

2. Performance Optimization:

• Optimize 3D asset loading for near-instant initial render
• Implement LOD systems, shader optimization, and efficient resource usage
• Use compression pipelines: geometry, textures, KTX2/Basis
• Implement frustum & occlusion culling, instancing, and batching
• Profile GPU memory, draw calls, and shader performance
• Build adaptive quality settings based on device capabilities

3. 3D Asset Pipeline & Tools:

• Build loaders/parsers for glTF, USDZ, OBJ, FBX
• Implement asset optimization: UV mapping, normal maps, texture atlasing
• Create mesh-processing tools: decimation, smoothing, tangents
• Build progressive loading, caching, and streaming systems
• Develop debugging and visualization tools for asset inspection

4. Interactive Controls & UI Features:

• Implement camera systems: orbit, pan, zoom, animated transitions
• Build gestures for mobile: pinch, rotate, drag
• Create 360° product viewers with fluid interactions
• Add hotspots, annotations, measurement tools, and view presets
• Enable screenshot and recording functionalities

5. WebXR & AR Experiences:

• Implement WebXR VR/AR experiences directly inside browsers
• Build AR Quick Look integration for iOS
• Integrate AR.js / 8th Wall for seamless web AR
• Implement environment lighting estimation and hit testing
• Build cross-platform AR for iOS + Android

6. Graphics Systems Architecture:

• Architect custom WebGL rendering solutions from scratch
• Build material/shader libraries and rendering modules
• Create scene graph management systems
• Build modular systems with reusable rendering utilities
• Design APIs for frontend integration and customization

Technical Stack:

1. Graphics & Rendering:

• WebGL 1.0/2.0, OpenGL ES, GLSL
• 3D formats: glTF 2.0, USDZ, OBJ, FBX, Collada
• Tools: Blender, RenderDoc, Spector.js
• Texture tools: Sharp, ImageMagick, compression utilities

2. Frontend & Web:

• JavaScript / TypeScript
• React, Next.js, familiarity with Vue
• Webpack, Vite, Rollup
• Jest, Cypress

3. Performance:

• Chrome DevTools, WebGL Inspector, GPU profilers
• Draco, meshoptimizer, KTX2/Basis
• Cloudflare, AWS CloudFront

4. Collaboration:

• Git/GitHub
• Technical documentation: shaders, specs, APIs

What We’re Looking For:

1. Must-Haves:

• 5-8+ years in graphics programming with deep WebGL/Three.js knowledge
• Strong understanding of the full rendering pipeline
• Expert in GLSL: vertex, fragment, compute shaders
• Mastery of PBR, material systems, and physically accurate lighting
• Proven experience building high-performance 3D web apps
• Strong JavaScript/TypeScript skills
• Solid understanding of 3D math: matrices, vectors, quaternions
• Experience with 3D formats, UV mapping, texture workflows
• Ability to debug GPU issues and optimize across browsers/devices
• Ability to build custom WebGL engines from scratch

2. Highly Desirable:

• Experience with Three.js/Babylon.js (plus, not required)
• E-commerce and 3D configurator experience
• WebXR development experience
• Strong mobile optimization knowledge
• Experience with GPU compute, GPGPU
• Familiarity with Unity/Unreal internals
• Background in advanced rendering research
• Knowledge of ray tracing, path tracing
• Experience with photogrammetry or 3D scanning
• Open-source graphics contributions

Technical Challenges You’ll Tackle:

• Achieving photorealistic 60fps rendering on mobile browsers
• Sub-second loading for complex 3D models
• Realistic shaders for different materials (jewelry, fabric, metal, glass)
• Adaptive rendering across low-end to high-end devices
• Seamless AR blending of virtual + real environments
• Managing thousands of product SKUs with diverse materials
• Debugging GPU issues across browsers, devices, and GPU vendors

Why Join the Company:

• Pure graphics engineering — not generic frontend work
• Solve deep rendering challenges that push WebGL limits
• Create visually stunning work seen by millions
• Work with modern WebGL 2.0 capabilities
• Freedom to experiment with advanced graphic techniques
• High-performance engineering culture
• Your rendering work directly influences customer engagement
• Access to high-end GPUs, devices, and graphics tools
• Backed by NVIDIA, Microsoft, Google

Location & Work Culture:

• Bengaluru (HSR Layout)
• 6 days a week, (5 days-in-office, Saturdays WFH)
• Culture: performance-focused, graphics craftsmanship, high attention to detail
• Small, senior engineering team with deep expertise
• Access to GPUs, testing devices, and 3D tools

Job Description : 

• Work with your team to design and build software applications to function across web applications
• Build reusable code and libraries for future use.
• Work closely with UX designs and work on integrating the wireframes into UI
• Validate the technical feasibility of UI/UX designs.
• Optimize application for maximum speed and scalability.
• Conduct thorough testing of user interfaces in multiple platforms to ensure all designs render correctly and systems function properly.
• Get feedback from, and build solutions for users and customers.
• Write functional requirement documents and guides.
• Ensure high-quality graphic standards and brand consistency
• Collaborate with other team members and stakeholders.
• Architect and build high-performance, scalable, and user-friendly mobile apps using native frameworks
• Optimize application performance and ensure responsiveness across different iOS devices.
• Integrate with RESTful APIs and other backend services.
• Implement unit and integration tests to ensure code quality.
• Collaborate with designers, product managers, and other stakeholders to deliver a seamless user experience.
• Stay up-to-date with the latest trends and advancements in UI development.
• Mentor and guide junior team members. Mandatory Requirements
• Minimum of 5 years working as a professional UI developer
• Proficient knowledge of web markup, including HTML5, CSS3 and Javascript .
• Expertise in front-end in any of the front-end frameworks like React.js
• Strong understanding of front-end coding and development technologies.
• Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
• Experience with state management libraries like Redux
• Experience with unit testing frameworks like Jest or WTR
• Experience in E2E testing frameworks like Playwright or Puppeteer
• Familiarity with RESTful APIs and integration with backend services
• Experience with performance monitoring and Optimization tools.
• Excellent communication and collaboration skills.

Job Description:

We are looking for a React JS or React Native Developer to join our team.

In this role, you will be entrusted with developing JavaScript applications using React.js or React Native.

Apply now for the role of a React.js or React Native Developer at Codebuddy, which is opening doors for skilled, energetic developers looking for MERN Stack Developer Jobs.

If you can help us design and create multiple layers of applications while working cross-functionally across different infrastructures. You would fit perfectly if you love problem-solving, design, and creating quality offerings.

Responsibilities:

• Developing existing programs by analyzing user requirements and identifying areas for modification by R&D followed by coding.
• Develop UI in HTML, CSS, and JS and integration with the backend using REST API.
• Translate storyboards and various use cases to create high-performing apps.
• Write, execute, and maintain clean, reusable, and scalable code.
• Integrate our various data storage solutions.
• Ensure responsiveness and boost the performance of our apps.
• Find and address the various bottlenecks and bug-fixes.
• Work on JavaScript/Typescript using React Native/React, Redux & Node.js.
• Help in code automatization.

What You Need To Apply(Technical Competency):

• Good knowledge of JavaScript, React, API.
• Knowledge of JavaScript Stack / Framework.
• Knowledge of Object-Oriented Programming
• Ability to document their code.
• Understanding accessibility and security compliance.
• Good knowledge of GIT
• Ability to multitask and work in a fast-paced environment.
• Self-motivated with the ability to work independently or jointly in a self-directed way.
• Demonstrated successful development of web or mobile-based applications
• Proven analytical and problem-solving capabilities
• Keen attention to detail
• Strong work ethic and desire to build industry-leading products
• Proactive instead of reactive
• Looking for ways to improve self and projects.

Interpersonal skills:

• Must be comfortable working in a team and independently when required.
• Must be disciplined, proactive and self-motivated.
• Needs to have problem-solving and analytical skills.

If you have it all in you, we are happy to have you with us!

• You must know the in and out of JavaScript to design optimized and modular components that need to be used across our platform.
• You must be well versed in the React/Redux framework.
• Strong understanding of semantic HTML/HTML5, CSS/CSS3
• Experience in setting up the full UI workflow layer right from Development, Testing, Building, and Deployment.
• Good understanding of MVC architecture.

• Experience in frameworks like Bootstrap, Foundation, and CSS pre-processors like SASS and LESS.
• Exposure to page speed improvement techniques.
• Exposure of building responsive websites at scale.
• Prior work experience in Angular, Backbone, React

• Reach at 91 084 76999

Exp: 3 - 6yrs
Notice period : Immediate - Max 60 days
Job Location : Gurgaon

Experience with client side Web technologies/frameworks such as Angular.js 1.x, React.js, Backbone, KnockoutJS, Bootstrap Experience with AngularJS 2+ is a strong plus.

Strong understanding of Web markup with HTML(5) and CSS(3) is a strong plus.

Ability to write high-performance, reusable code for UI components Build and support scalable, re-usable software Ability to work independently and within a team environment

Good written and verbal communication skills Solid understanding of cross-browser/platform consistency and compatibility Experience with frameworks such as jQuery Mobile, ReactNative, Appcelerator, Mootools, Kendo UI, Sencha Touch and ActionScript is a plus

Experience with Node.js, Bower, Yeoman, Gulp etc. is a plus Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS is a plus Proficient understanding of code versioning tools, such as SVN and Git is mandatory.

Role: Senior UI Developer 

We are looking for talented front-end developers who can help us in enabling our users and to deliver excellent experiences to end users. The role of a front-end developer in our teams is crucial in realizing our design ideas. We are looking for developers who can contribute in building the best-in-class digital experiences through the right use of frameworks, technologies and code.

Design and Develop web applications using front-end technologies like Angular 8+, Typescript, CSS, JS, HTML and many more.

Implement applications that have high standards of quality and the best of the performance. The candidate primary focus will be to implement a complete user interface desktop web app, with a focus on performance. Translate UX / UI designs from our design teams into high quality code without any loss in translation Design and implement optimized components, modules and applications using best practices of front- end development and clean coding standards. Work closely with backend 

development teams on API design and integration.

Experience and Qualification:

• 3 years of experience in front-end development of web applications. 
• Frameworks: Angular 8+, Typescript, CSS, JS, HTML 
• Experience in react js, jQuery and backend stacks will be an advantage
• B. Tech

Responsibilities:

• Delivering a complete front-end application
• Coordinating the workflow between the graphic designer, the HTML coder, and yourself
• Cooperating with the back-end developer in the process of building the RESTful API
• Communicating with external web services

Key Skills:

• Strong proficiency in Angular 8+, Typescript, JavaScript.
• Strong skills in HTML, CSS and any other CSS Frameworks.
• Thorough understanding of any front-end frameworks like React, Angular or any other along with its core principles
• Experience with data structure libraries, state managements, functional / reactive programming.
• Familiarity with newer specifications of ES6.
• Experience with RESTful APIs integration
• 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.

Requirements and Qualifications

• Bachelor’s or master degree in engineering
• 7+ years of work experience, 1+ years of experience as a lead
• Proficient understanding of HTML, CSS, and Javascript
• Proficient understanding of ReactJs or similar library
• Good understanding of responsive web development
• Good understanding of SEO and analytics
• Ability to break the business problem into smaller features
• Ability to access the technical feasibility of UI/UX designs
• Build reusable code and libraries for future use
• Optimize application for maximum speed and scalability
• Proficient understanding of cross-browser compatibility

Responsibilities:

• Responsible for development of new highly-responsive, web-based user interface
• Develop a flexible and well-structured front-end architecture, along with the APIs to support it 3.
• Building reusable components and front-end libraries for future use
• Translating designs and wire frames into high quality code
• Construct visualisations that are able to depict vast amounts of data
• Work with product team and graphic designers
• Learn and understand user interactions

Requirements:

• Deep knowledge of web standards
• Deep knowledge of JavaScript concepts and fundamentals
• Strong understanding of ReactJs. development, and its core principles
• Experience with popular React.js workflows (such as Flux or Redux)
• Experience of working with code versioning tools (such as Git, SVN)
• Familiarity with RESTful APIs
• Familiar with HTML, CSS and SCSS development
• Knowledge of bundlers such as Gulp/Web pack, ES6, Node etc..
• B.Tech from Tier 1 college.
• 3+ yrs of experience with front end technologies HTML and JavaScript
• 1+ yrs of Project experience with react