React Native Developer

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.

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 Summary:

We are looking for a passionate Frontend Engineer with 2 to 4 years of experience to build high-quality, scalable, and user-friendly web applications. You will work closely with cross-functional teams to bring ideas to life using modern JavaScript frameworks, maintaining best-in-class UI standards, performance, and code quality.

Website: https://www.thealteroffice.com/about

Key Responsibilities:

• Develop and maintain modern, high-performance, and responsive web applications using JavaScript frameworks such as React, Vue, or Next.js.
• Translate product designs from tools like Figma into pixel-perfect, accessible, and consistent UI components.
• Build reusable components and contribute to shared design systems or UI libraries.
• Manage state effectively using tools like Redux, Zustand, or Context API.
• Ensure applications are responsive, cross-browser compatible, and adhere to accessibility standards (WCAG).
• Optimize frontend performance using tools like Lighthouse, Web Vitals, and browser profiling.
• Use TypeScript to write type-safe and scalable code.
• Write unit, integration, and E2E tests using frameworks like Jest, Testing Library, Cypress, or Playwright.
• Work with backend teams to design APIs and ensure efficient, secure frontend-backend integration.
• Implement frontend security best practices, such as XSS protection and CSP.
• Use tools like Tailwind CSS, Framer Motion, and Styled Components for rapid, modern UI development.
• Contribute to CI/CD workflows, version control using Git, and deploy applications using platforms like Vercel, Netlify, or Firebase.
• Participate in code reviews, share knowledge, and help drive technical excellence across the team.

Requirements:

• 2 to 4 years of experience building and shipping frontend applications in a professional setting.
• Proficiency in JavaScript (ES6+), HTML5, and CSS3, with a strong understanding of modern frontend architecture.
• Hands-on experience with at least one JavaScript framework/library (React preferred).
• Strong knowledge of TypeScript and state management tools.
• Solid understanding of UI/UX best practices, including responsive design, performance, and accessibility.
• Experience with testing methodologies and automation tools.
• Familiarity with design systems, component libraries, and modern build/deployment tools (Webpack, Vite, Vercel, etc.).
• Comfortable working in agile teams, collaborating with designers, product managers, and backend engineers.

Hi

About the Company:

Our client is a B2B2C tech Web3 startup founded by founders - IITB Graduates who are experienced in retail, ecommerce and fintech.

Role Description : We are looking for a React.Js 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 product is a highly collaborative effort, and so we are looking for a strong team player with a commitment to perfection.

Key Responsibilities -

• Developing new user-facing features using prominent front-end frameworks • Involved with and translates designs and style guides provided by the UI/UX team into functional user interfaces using responsive design, ensuring cross-browser compatibility and performance • Building reusable components and front-end libraries for future use • Optimizing components for maximum performance across a vast array of web-capable devices and browsers • Takes ownership and responsibility for the successful delivery of the solutions • Works collaboratively with the engineering and product solution team, demonstrates prototypes for faster feedback to keep improving the user experience • Contributes to continual improvement by suggesting improvements to the user interface, software architecture, or use of new technologies

Required Skills and Qualifications -

• 3-8 years of experience in frontend development primarily using React

• Experience in Hypertext Markup Language revision 5 (HTML5), Cascading Style Sheets (CSS), TypeScript and ReactJS (JavaScript)

• Thorough understanding of NodeJs & React.js(SSR) and its core principles

• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.

• Familiarity with RESTful APIs

• Excellent communication skills

• Ability to understand business requirements and translate them into technical requirements

• A self-starter, who loves to take on hard problems and is enthusiastic to learn new technologies and work in startup environments

Regards

Team Merito

We are looking for a skilled React.js developer to join our front-end development team. In this role, you will be responsible for developing and implementing user interface components using React.js using Typescript. 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 a highly responsive user interface 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.

- Previous experience working as a react.js developer.

- In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.

- Knowledge of REACT tools including React.js, Typescript, Redux, Flux, HTML / CSS.

- Experience working with Graphql and Hasura is a plus

- Knowledge of performance testing frameworks including Mocha and Jest.

- Experience with browser-based debugging and performance testing software.

- Excellent troubleshooting skills.

- Good project management skills.

- Minimum of 2 years experience with React Js

- Minimum of 3 years of web development experience.

• 5+ years of experience in software engineering
• A background in front-end web development and/or API development.
• Demonstrated competency in one or more of the following: JavaScript, TypeScript, React/Redux, AngularJS,  or comparable JavaScript MVC framework.
• Demonstrated competency in one or more of the following client-side build tool: Webpack, gulp, jspm
• Have a good understanding of what good UX and UI design are.
• Experienced in client-side framework/technologies before such as: React, AngularJS, jQuery, HTML, CSS
• Experienced in using client-side build tools such as gulp, WebPack, JSPM, NodeJS, and other CLI is a plus
• Understand how to get good performance on UI implementation (time to interaction, bundling, and splitting resources)
• Some previous work portfolios would be great.
• Good knowledge of how to use source control systems like git and GitHub.

• Thorough understanding of React.js, React DOM and its core principles
• Experience in State Management Frameworks like Redux.
• Experience in developing cross-browser/platform compatible solutions for web.
• Experience of backend integrating with RESTful services.
• DOM manipulation and the JavaScript object model.
• In-depth knowledge of newer specifications of TypeScript, ES6,HTML 5,CSS 3.
• Must be familiar libraries like Material UI, Formik.
• Experience in Micro Front End architecture with Webpack Module Module Federation to combine multiple domain driven web apps on the same page without refreshing the page.
• Experience in different approaches on orchestration of Micro-apps of Client Side composition.
• Experience with package manager like npm,yearn.
• Experience with tools/packages like Visual Studio Code,ES Lint,SonarQube,Keycloak.
• Good understanding on Unit testing framework - Jest/ enzyme.

Location: Remote Working

** Preference will be given to immediate joinee

Note- 1) Only immediate joiners need to apply who can join in max 15 days.
           2) WFH avaialble

job profile:

1. 4 to 6 years of experience in UI Development
2. Proficient understanding of JavaScript libraries and frameworks, specifically ReactJS
3. Proficient understanding of Flux Architecture (Redux)
4. Proficient understanding of React-Bootstrap
5. Proficient understanding of Angular JS
6. Proficient understanding of web markup, including HTML5, CSS3
7. Experience in working on integration with Magento 2 as backend.
8. Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
9. Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
10. Good understanding of asynchronous request handling, partial page updates, and AJAX
11. Proficient understanding of cross-browser compatibility issues and ways to work around them.
12. Proficient understanding of code versioning tools, such as (Git / SVN)
13. Proficient understanding of JavaScript test frameworks like Mocha, Jasmine
14. Proficient understanding of module bundler (webpack)
15. Proficient understanding of JavaScript compiler (babel js)
16. Good understanding of nodejs
17. Proficient understanding of deployment process of client side application