Senior Frontend Developer (SvelteJS, Next JS

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

We are looking for an enthusiastic and skilled SDE 2 React Web Developer to join its dynamic engineering team. As an SDE 1, the developer will be responsible for building and maintaining user-facing features for the web platform using React. The developer will work closely with cross-functional teams to deliver high-quality, scalable, and efficient applications that offer an exceptional experience to Revv's users.

Responsibilities

• Develop responsive, user-friendly, and high-performance web applications using React.js and related technologies.
• Collaborate with product managers, designers, and other engineers to deliver new features and improve existing ones.
• Write clean, maintainable, and testable code, ensuring a high level of code quality.
• Optimize applications for maximum speed and scalability.
• Troubleshoot and debug application issues, ensuring a smooth user experience.
• Stay up-to-date with the latest industry trends and best practices in web development.
• Participate in code reviews and contribute to continuous improvement within the team.

Requirements

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• Proficiency in React.js, JavaScript (ES6+), HTML5, and CSS3.
• Experience with state management libraries like Redux or Context API.
• Familiarity with version control systems, primarily Git.
• Knowledge of RESTful APIs and integrating them into front-end applications.
• Strong understanding of web performance optimization techniques.
• Basic experience with testing frameworks like Jest, Mocha, or Enzyme.
• Strong problem-solving skills and ability to work independently and as part of a team.

We are seeking a skilled React Native developer with a minimum of 3 years of hands-on experience in the field. The ideal candidate will possess expertise in React, React Native, JavaScript, Nest.js, and Node.js. As a key member of our development team, the candidate will be responsible for designing and implementing robust and efficient React Native applications.

Responsibilities include collaborating with cross-functional teams to define, design, and ship new features, as well as maintaining and improving the performance of existing applications. The candidate should be well-versed in the latest trends and technologies in the mobile development space and demonstrate a strong understanding of user interface and user experience principles.

Key skills for success in this role include proficiency in React and React Native frameworks, advanced knowledge of JavaScript, and experience with Nest.js and Node.js. The candidate should be capable of troubleshooting, debugging, and optimizing code for performance. Effective communication and teamwork are essential, as the role involves close collaboration with other developers, designers, and stakeholders.

If you are passionate about creating cutting-edge mobile applications, possess the required skills, and thrive in a dynamic work environment, we invite you to apply for this exciting opportunity.

TechUnity is looking for a highly motivated and skilled React JS / React Native software developer who is comfortable with both front and back-end programming. Developer will be designing and implementing attractive and intuitive Web-based user interface and developing backend services to support front-end requests. Developer will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail.

Other Responsibilities:

· Seeing through a project from conception to finished product

· Designing and coding of frontend web architecture

· Designing user interactions on web pages

· Developing backend server architecture

· Creating specification for servers and databases needed

· Ensuring responsive performance of applications.

· Designing and developing APIs.

· Meeting both technical and consumer needs.

· Staying abreast of developments in web applications and programming languages

· Good problem-solving skills.

· Excellent verbal communication skills

UPCRED powers AI-Recommendation on Social Content Creators, helping them discover content monetisation and helping Brands/Businesses explore Influencer Marketing.

The company’s advert platform is powered by artificial intelligence, which is used by businesses for Influencer Discovery, Campaign Management, and Campaign Analytics through UPCRED Pixel Management.

Our technology visions to have one-third of the world's social consumers discover new things through recommendation feeds from their favourite social media creator and which connects advertisers to these audiences to grow their business.

UPCRED Social has long-term partnerships with a variety of digital content creators and has the vision to democratize the social earning for content creators in India.

UPCRED Advert wants to be an all-in-one influencer marketing platform designed to help businesses own their influencer relationships.

Responsibilities:

The React Developer will own and drive web development—including decisions about tools, technologies, and processes - for UPCRED.

This is an incredible opportunity for anyone interested in being a part of a high-performing, fast team with a massive learning curve. Our team moves fast and develops world-class products by pushing the boundaries of React development. If hired, you will be part of UPCRED's in-house Product & Engineering team.

Develop cross-browser & cross platform supported web applications in React which customers love using.

Work with product, design, backend teams to develop features.

Work on bindings and integrations required with react libraries & REST api's.

Plan, estimate, and delivery your project with minimal supervision.

Skills:

2 - 5 years of React experience with some hands-on experience with web application development.

Experience with React Ecosystem (React Router, Styled-components, Server-side rendering, Context API, React Hooks) is strongly preferred.

Experience with state management libraries such as Redux or MobX is a huge plus.

Proficient understanding of cross-browser compatibility issues and ways to work around such issues

Understanding of REST APIs, the document request model, offline storage, state

management.

Experience with Content/Video-based website.

Understanding of Social Video-based web Architecture

HOW?

Apply, and let us know your interest?

UPCRED, that's how we grow, fair and transparent!

Note: Candidates who is having a notice period of more than 45 do not apply

About the company:

NowPurchase is transforming the 140B$ Metal Manufacturing industry. The metal industry forms the backbone of the economy and the fundamental block of the physical world - be it transportation, construction and every machinery. NowPurchase is building a rich, digital marketplace where Metal Manufacturers can procure high quality raw materials in a trusted manner. At the same time we are building the OS (Operating System) that will supercharge their productivity and processes to ultimately make procurement autonomous. Now Purchase raises USD 2.4 million in Nov 2021, led by Orios Venture Partners, InfoEdge Ventures.

About you: 

We are looking to add an immensely talented Senior Front End Engineer that will help us invent, design, refine and deliver products that will meet our vision. Expect to build a lot of web interfaces and dashboards both for the browser as well as native IoT enabled terminals that will be placed at the manufacturers' premises. You need to lead the front end team to make sure they are delivering high quality code and are constantly inspired to experiment with tools to push out MVPs.

Roles & Responsibilities:

• You are empowered to work directly with leadership and the product team to make decisions about your code and future of the product.
• Deliver high quality modular code deployed over web, mobile and native IoT enabled terminals that leverage REST-based services and real time sockets.. This would include visual dashboards and real time optimizations that are critical for the manufacturing process.
• Have a strong emphasis on shipping features quickly without sacrificing code quality. Be ready to build a lot of MVPs that will go through iteration or be completely scrapped depending on the outcome at the customer end.
• Own your Agile projects and lead the team from software design to implementation and deployment. Maintain sprints, delivery timelines and contribute to better managing the engineering team.
• Transform UI designs and mockups into pages and flows using CSS3 and JavaScript frameworks. Be ready to do the mockups yourself sometimes.
• Build a culture of simplicity and pragmatism, which is reflected in your elegant code that other developers emulate and you ensure through thorough code reviews and processes.
• Have an exceptional understanding of asynchronous request handling, partial page updates, and service workers and command over the internals of JavaScript, React and Redux.
• Continuously evaluate existing engineering processes and recommend improvements.

Required Skills and qualification:

• 4+ years’ experience developing rich UI/Front-end for user-facing web applications.
• Strong experience with React or similar frameworks, TypeScript, SSR (Server Side Rendering), SPA (Single Page Application), PWA (Progressive Web application), OOP (Object Oriented Programming), Reactive programming, and Unit tests.
• Demonstrated ability to function as a project leader as well as an individual contributor.
• Excellent communication and facilitation skills.

Tech Stack skills required:

• React/Redux
• Python/Django/Celery
• Git, AWS, ELB (Elastic Beanstalk), Netlify
• PostgreSQL/Redis/S3

Location: 

On- site: Kolkata, West Bengal

Compensation & Benefits:

• Cash Compensation: As per industry standards & pedigree of candidate
• ESOPs: 10% of NowPurchase is dedicated to current & future team members. Your package would entail some ESOPs so that you own a part of the company and grow along with it.
• Medical Insurance: Benefits of group insurance of 3 lakhs for family including parents, spouse, children
• Generous leave structure and WFHs including Marriage, Maternity & Paternity leaves
• Complete Relocation Expenses: We are building a unicorn out of the city of Joy (Kolkata). We will pay for everything you spend to relocate here.

Company Link: https://nowpurchase.com">https://nowpurchase.com

LinkedIn: https://www.linkedin.com/company/nowpurchase/">https://www.linkedin.com/company/nowpurchase/

We are looking for a JavaScript Developer who is motivated to combine the art of design with the art of
programming. Responsibilities will include implementing visual elements and their behaviors with user
interactions. You will work with both front-end and back-end web developers to build all client-side logic. You will also be bridging the gap between the visual elements and the server-side infrastructure, taking an active role on both sides, and defining how the application looks and functions.

Responsibilities
• Build reusable code and libraries for future use
• Ensure the technical feasibility of UI/UX designs
• Optimize applications for maximum speed and scalability
• Work with an international team. Remote work / telecommuting is possible

Desired Skills and Experience
• Strong understanding of JavaScript, its quirks, and workarounds (our platform is pure JS)
• Solid experience (2+ years) with related Web Technologies ( HTML5, CSS3, SVG )
• Proficient understanding of cross-browser compatibility issues and ways to work around such issues
• Proficient understanding of CORS issues and ways to work with such issues
• Proficient understanding of social network APIs
• Good understanding of browser rendering behavior and performance
• Experience in mobile web development ( iOS / Android / Windows Mobile )
• Fluent with Linux/Unix environments
• Knowledge of PHP optional but desirable
• Writing and maintaining batch jobs to streamline processes (Shell, Perl etc.)
• Ability to set priorities and meet deadlines in a dynamic, fast paced environment
• Inclined to take ownership of tasks and to ship highly polished products with excellent attention to detail
• Responsible, self-motivated worker and team-player; excited about new technologies
• Strong verbal and written communication skills in English

The Role

We are looking for full-stack developers with experience in building user interface components for serverless applications using React. 

The role involves working with the product management team, understand the business requirements, and take full responsibility of design, development, test and release of the applications. 

Requirements:

• Passion for building and delivering great software with a strong sense of ownership. 
• 2+ years of experience in building web applications using React with strong CSS skills.
• Independently develop new user-facing features from designs and wireframes
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
• Experience with popular React.js workflows (such as Flux or Redux)
• Building reusable components and front-end libraries for future use

Good to have:

• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Knowledge of AWS platform and scalable application architecture
• Experience with Build and Release, Agile processes and Estimation/Planning
• Knowledge of CSS pre-processors like SCSS and LESS