React.js Developer

Frontend Developer (React + Expo) — Job Description

Experience: 6–12 Years

Type: Full-time

About the Role

We're looking for a talented Frontend Developer with React and Expo experience to join our product team. You'll own the frontend across web and mobile, crafting intuitive interfaces and seamless user experiences using a shared React codebase.

Key Responsibilities

• Build and maintain responsive web interfaces using React.js
• Develop cross-platform mobile experiences using React Native with Expo
• Translate Figma/design mockups into pixel-perfect, accessible UI components
• Manage application state using Redux, Zustand, or Context API
• Integrate REST APIs and GraphQL endpoints
• Ensure consistent performance and UX across browsers, iOS, and Android
• Participate in code reviews, sprint planning, and design discussions

Required Skills

• 6–12 years of frontend development experience
• Strong proficiency in React.js and React Native
• Hands-on experience with Expo (managed or bare workflow)
• Solid command of JavaScript / TypeScript
• Experience with CSS-in-JS, Tailwind CSS, or styled-components
• Familiarity with React Navigation or Expo Router
• Understanding of responsive design and mobile-first principles
• Experience consuming REST APIs

Nice to Have

• Experience with Next.js for web
• Knowledge of EAS Build and OTA updates
• Familiarity with animation libraries (Reanimated, Framer Motion)
• Basic understanding of CI/CD and app store deployments

What We Offer

• Competitive salary and equity
• Flexible remote-first work culture
• Learning & development budget
• Collaborative, low-ego team environment

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

What you’ll do 💯

• Work closely with recruiters/hiring managers to understand customer pain points and opportunities for features and improvements

• Developing the exact pixel-perfect & Responsive UI from the designs provided
• Lead or participate in design reviews, code reviews and architecture evolution discussions. quality & performance goals

  development efficiency.
  
  

• At least 2 Years of relevant work experience in React JS
• Experience in developing responsive Web Applications Development and reusable UI elements

• Architect and develop scalable and maintainable applications
• Expert Programming experience in HTML, CSS, JavaScript and React JS with the expertise to fuse these with modern web development practices

We are looking for a React Native developer interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building the application Pathya.app, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

Roles and Responsibilities

• Build pixel-perfect, buttery smooth UIs across both mobile platforms.
• Leverage native APIs for deep integrations with both platforms.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Reach out to the open-source community to encourage and help implement mission-critical software fixes React Native moves fast and often breaks things.
• Maintain code and write automated tests to ensure the product is of the highest quality.
• Use exciting app build in swift and Kotlin and convert it to react-native

Desired Candidate Profile

• Firm grasp of the JavaScript language and its nuances, including ES6+ syntax
• Knowledge of functional or object-oriented programming
• Ability to write well-documented, clean JavaScript code
• Rock-solid at working with third-party dependencies and debugging dependency conflicts
• Familiarity with native build tools & library like XCode, Gradle, saga, redux, re-animated, firebase
• Understanding of REST APIs, the document request model, and offline storage
• Experience with automated testing suites

Perks and Benefits

• We offer you work from home
• flexible with timing
• 5days working
• We trust our employee inspires them to do innovative things and explore and execute new techniques

We are looking for a React Native developer interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a desired structure is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

Job Requirements:

• Strong development and fundamental knowledge of React Native.
• Minimum 1 year of hands on experience in React Native is required for this position
• Leverage native APIs for deeper integrations with iOS/Android platforms.
• Work with engineers, designers, product managers.

Skills Required : React-Native, JavaScript, ES6, REDUX, API, Firebase, Android setup, iOS Setup

About the Role

Dremio’s user experience is one of its  key differentiators and makes all your data easily accessible and shareable by your data consumers. UI Engineers at Dremio are responsible for the development of  the user interface and user experience on Dremio’s Data Lake Engine.

Responsibilities and ownership

• Own the  full cycle of development of our modern single page web application from inception, design, development, testing, and production.
• Care deeply about modular design patterns and frameworks  to deliver an architecture that’s rooted in simplicity, that’s easy to iterate on and constantly evolve.
• Passionate about ease of use, experience and quality of the product.

Requirements

• 5+ years of experience working with JavaScript frameworks such as React, Angular.js, Angular, or Vue.js.
• 2 years minimum experience with React is highly preferred and currently utilizing React in their current job.
• Strong coding experience in JavaScript (or TypeScript), HTML, and CSS.
• Passion about UI development and UX design
• Shown proven success in delivering high-quality front end applications
• Fluency in the understanding of SQL and databases (relational or non-relational)
• B.S. or M.S  in Computer Science in a relevant technical field or equivalent professional experience

Responsibilities

• Develop our products front end
• Optimize applications for maximum speed
• Collaborate with back-enddevelopers and web designers to improve usability
• Stay up-to-date on emerging technologies

Requirements

• 4 to 6 years of work-experience as a Front-end developer
• Experience in developing front end applications at scale
• Strong knowledge and experience with JavaScript ,CSS, Angular,AJAX and jQuery,react,node
• Experience in CSS preprocessor (SASS/LESS/COMPASS), CSS framework – Bootstrap.
• In-depth understanding of the entire web development process
• Knowledge of Wordpress theme integration Template customization
• Able to Write code as Per W3 validation Rules, Cross browser, Cross Device, and SEO Friendly

Roles and Responsibilities

• Design and implement components of our web application, and admin panel
• Build a robust, lightweight, and high-performance client-side app
• Translating designs and wireframes into high quality code
• Write documentation and guides for web app & admin panel

Key Qualifications

• Expertise in ReactJS/Redux
• Working knowledge of TypeScript or Flow is a plus
• PURE experience of 1.5 Years and more in Frontend Development
• Expert-level knowledge of developing, shipping, and maintaining Javascript applications
• Knowledge of general software design patterns
• Deep understanding of Javascript
• Up-to-date on the latest build tools, and libraries such as ES6, Webpack, Babel
• Proficient in Javascript with strong object-oriented design skills
• Able to work independently and drive results