React Technical Lead

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

About The Company

HamBOLDS Pvt Ltd is a dynamic beauty and personal care company, sister concern of Sun Chem India, a 26-year leader in private-label cosmetics. We blend nature with tech to craft effective, trend-forward solutions. Our brands, Epitight https://epitight.in Cozitis https://cozitis.com and Niconi https://buyniconi.com prioritize performance, safety, and consumer satisfaction, fostering trust and excellence in the beauty industry.

Shopify Developer:

Objective:

To lead and innovate within Shopify web development, leveraging integrated performance marketing strategies to drive measurable business growth and deliver an exceptional user experience.

Key Responsibilities

1. Shopify Development & UX Optimization

• Develop, maintain, and scale Shopify e-commerce stores with a focus on responsive, high-performance design.
• Implement advanced UI/UX practices to boost engagement, retention, and overall customer satisfaction.

2. Performance Marketing Integration

• Seamlessly integrate Shopify with performance marketing tools such as Google Analytics, Meta Pixel, and third-party automation systems.
• Enable end-to-end tracking to support data-driven marketing decisions and campaign optimization.

3. Shopify SEO & Content Collaboration

• Optimize store structure, metadata, and content for search engine visibility and performance.
• Collaborate with content and SEO teams to implement strategies that support organic traffic growth and conversion.

4. Conversion Rate Optimization (CRO)

• Leverage Shopify features and custom solutions to test and optimize product pages and checkout experiences.
• Conduct A/B testing and user journey analysis to improve conversion metrics across the funnel.

5. Landing Page Development for Ad Campaigns

• Design and deploy high-converting, responsive landing pages within Shopify for targeted marketing campaigns.
• Ensure seamless integration with campaign tracking and analytics systems.

6. Data Analytics & Reporting

• Analyze e-commerce performance metrics to evaluate campaign effectiveness and store performance.
• Generate actionable insights and reports for continuous improvement and ROI tracking.

7. Industry Trends & Innovation

• Stay updated on the latest Shopify and e-commerce trends, tools, and performance marketing strategies.
• Proactively implement new technologies and best practices to maintain a competitive edge.

8. Cross-Functional Collaboration

• Collaborate closely with marketing, design, and content teams to align development efforts with broader business goals.
• Ensure all web solutions effectively support marketing strategies and brand initiatives.

Key Performance Indicators (KPIs)

• Store functionality, uptime, and performance.
• Conversion rate improvements and marketing campaign success metrics.
• Increase in qualified traffic and user engagement.
• ROI of integrated marketing and development strategies.

Key Result Areas (KRAs)

• Delivery and maintenance of a high-performing Shopify store.
• Effective implementation of performance marketing tools and campaigns.
• Continuous enhancement of user experience and e-commerce journey.
• Strategic alignment between Shopify development and business growth objectives.

Experience & Qualifications

• 2–3 years of hands-on experience in Shopify development, including Liquid, theme customization, and third-party integrations.
• Solid understanding of performance marketing tools (GA4, Meta Pixel, etc.).
• Experience with CRO and responsive design for e-commerce.
• Strong analytical mindset and ability to derive insights from data.
• Excellent collaboration and communication skills.

• Work with design and marketing team to improve website conversion rate for different sign up processes
• Work with the marketing team to improve main website KPIs - New users, average time on page, session duration are the main ones
• Write automation scripts to help automate redundant manual processes of other marketing functions– SEO, Outbound, Content, Product Marketing
• Work on our Shopify demo store to showcase new product releases and features. This is pretty interesting as you’ll get to play around with Shopify backend (the most popular eCommerce platform in the world)
• Work on building integrations and workflows between different marketing automation platforms. Our current marketing tech stack involves Salesforce, HubSpot, Reply, Similarweb and more.
• Web scraping for new growth initiatives

• 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

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Experience with popular React.js workflows (such as Flux or Redux)
• Hands on experience with Typescript
• Expertise with RESTful APIs integration and best practices
• 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
• Familiarity with code versioning tools such as Git

Roles and Responsibilities

• Working with designers, product managers to collaboratively own the front-end layer at FalconBrick and deliver stellar end user experiences
• Building responsive and elegant mobile and desktop web UIs
• Test, debug and maintain the application software throughout the product lifecycle
• Architect, develop and maintain front-end libraries

Desired Candidate Profile

• You love working with JavaScript and are very familiar with JavaScript design patterns and can build fairly complex UI
• Have at least 2 years experience in development of responsive web/mobile applications using advanced JS and web technologies
• And with at least 1 year of experience building frontend UI with a framework like ReactJS
• Youre very comfortable in writing HTML and CSS and love designing beautiful webpages
• Have good communication skills, strong work ethics And are comfortable with agile, iterative development practices and code reviews

Role Summary

We are looking for Front-End Web Developers who are motivated to combine the art of

design with the art of programming. Responsibilities will include translation of the UI/UX

design wireframes to actual code that will produce visual elements of the application. You

will work with the UI/UX designer and bridge the gap between graphical design and

technical implementation, taking an active role on both sides and defining how the

application looks as well as how it works.

Responsibilities

• Develop new user-facing features
• Writing tested, idiomatic, and documented JavaScript, HTML and CSS/SCSS
• Ensure the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Cooperating with the back-end developer in the process of building the RESTful API
• Build reusable code and libraries for future use
• Builds the interactive data visualization and data interfaces using web technologies.
• Assure that all user input is validated before submitting to back-end
• Translation of the UI/UX design wireframes to actual code that will produce visual
• elements of the application.

Minimum Qualifications

• Minimum 3 + years of experience in ReactJS / Native development
• Experience in writing extensive unit test.

• 
  8+ years of experience in software development using modern languages (ReactJS/Native etc)
• Thorough understanding of ReactJS, Redux, Node.Js, Express Js etc
• Familiarity with modern front-end build pipelines and tools
• Design and develop scalable, performant and responsive FE architecture.
• Ability to deliver in test-driven method
• Critical thinker and problem-solving skills
• Nice to have worked on mobile products (IOS & Android)
• Experience in writing extensive unit tests
• Own code quality and experience in writing extensive unit tests
• Proven ability to learn and adapt to new technologies and frameworks quickly
• Excellent debugging and problem-solving capability.
• Team player
  Good time-management skills

• Develop new user-facing features
• Build reusable code and libraries for future use
• Ensure the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Assure that all user input is validated before submitting to the backend
• Collaborate with other team members and stakeholders

Skills And Qualifications

• Proficient understanding of web markup, including HTML5, CSS3
• Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
• Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
• Good understanding of advanced JavaScript libraries and ReactJS frameworks.
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image. Familiarity with tools such as Gimp or Photoshop is a plus.
• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Proficient understanding of code versioning tools, such as Git / Mercurial / SVN.
• Self-motivated and a good team player.
• Good communication and interpersonal skills.
• Preferred years of experience- 2- 3 years
• Bachelor’s Degree in Engineering from a reputed Institute.

JavaScript

- ReactJS

- Redux-Saga

- ES6 (or TypeScript) syntax

- Good problem-solving

- Good debugging

Good to have :

- TypeScript experience

- Material UI experience

- JEST knowledge

- Git and Github/Gitlab/Bitbucket experience

Role

• Work as part of a small team to build React Native iOS / Android applications.
• Design, 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 API's.
• Developing new user-facing features using React Native.
• Building reusable components and front-end libraries for future use
• Translating designs and wire-frames into high-quality code
• Optimising components for maximum performance across a vast array of android and ios devices.
• Release applications to IOS and Google Play stores.
• Work with native modules when required.

Skills

• Strong proficiency in React Js, React Native, JavaScript, TypeScript, Object Oriented Programming - 2+ years of professional experience working with React Native
• Deep knowledge of component state management experience (specifically in React Native)
• Familiarity with native build tools, like XCode, Gradle
• Good understanding of Redux
• Ability to work through new and difficult React Native issues and contribute to libraries as needed.
• Ability to create and maintain continuous integration and delivery of React Native applications.
• Ability to understand business requirements and translate them into technical requirements
• A knack for bench-marking and optimisation