
JD: React Frontend Engineer (Web)
Role: React Engineer – Real-Time Web Applications
We are building data-intensive, real-time web applications. We need engineers who can handle dynamic data, performance constraints, and complex UI states at scale.
What You’ll Do
- Build scalable frontend systems using React
- Handle real-time data flows (WebSockets, streaming updates)
- Optimize rendering performance for high-frequency updates
- Build reusable component systems and state management
- Work closely with backend teams on API design
- Ensure observability (logging, error tracking, performance metrics)
Must-Have Skills
- Strong experience in React (hooks, state management)
- Experience with:
- Real-time data handling
- Large datasets / dynamic UI
- Performance optimization:
- Memoization, virtualization, rendering control
- Solid understanding of:
- Browser performance
- Network behavior
Good-to-Have
- Experience with dashboards / analytics tools
- Experience in streaming or content platforms
- Familiarity with WebRTC or RTC integrations
- Experience with SSR (Next.js)
What We Value
- Ability to handle high-frequency UI updates without lag
- Strong debugging and profiling mindset
- Clean architecture and reusable design systems

About i2b technologies Pvt Ltd
About
I2B is a venture studio building AI-first consumer and B2B technology companies. We partner with founders to build scalable enterprise platforms.
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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
Role & Responsibilities
4-7 years of Strong proficiency in Full stack Development of Web Applications and experience in shipping production applications.
Experience of using Typescript for development would be a mandate.
Frontend- next.js, react.js, vue.js and bit for svelte kit are highly preferred Backend- node.js, react.js, express.js
B.Tech in Computer Science Engineering from Tier 1 Colleges preferred
Experienced with Tailwind CSS
Experienced with TDD for component and end-to-end testing
Ableto set up CI/CD pipelines for testing and deployment (canary, staging) using Github actions according to project
Entrepreneurial mindset with strong decision-making skills
Ability to move quickly without breaking things too much (we are dreamers)
Ability to work under immense pressure which is balanced by a sense of responsibility and ownership
Comfortable working with a Git style workflow where every commit deploys to a staging environment and merged pull requests deploy to production
One of our premium-based product customers, we are looking to hire a team of software Developers in Bangalore, looking for Tech Geeks, who have 2+ years of experience full-time.
SENIOR SOFTWARE DEVELOPMENT ENGINEER - FRONTEND
● Overall, 2-4 years of experience.
● Solid foundations of Javascript, Responsive web, CSS, Semantic HTML and how the
internet works.
● Strong proficiency with React and its core principles. React Native is a plus.
● Solid understanding of Chrome dev tools, APIs and frontend performance.
● Working knowledge of GitHub and popular cloud platforms like AWS, Fly, Cloudflare,
etc.
● Understanding of software design patterns, high-level design and architecture.
● Ability to independently do LLD and technology exploration around a given problem
statement.
Looking for Lead Frontend Developer Bangalore to join a team of rockstar developers. The candidate should have a minimum of 4+ years. of experience in React.js.
There are multiple openings. If you're looking for career growth & a chance to work with the top 0.1% of developers in the industry, this one is for you! You will report into IIT'ans/BITS grads with 10+ years of development experience + work with F500 companies (our customers).
Company Background - CodeVyasa is a Software Product-Engineering and Development company that helps Early-stage & Mid-Market Product companies with IT Consulting, App Development, and On-demand Tech Resources. Our Journey over the last 3 years has been nothing short of a roller-coaster. Along our way, we've won some of the most prestigious awards while driving immense value to our customers & employees. Here's the link to our website (codevyasa.com). To give you a sense of our growth rate, we've added 70+ employees in the last 6 weeks itself and expect another 125+ by the end of Q1 2024
Requirements:
- Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience).
- Minimum of 6 years of experience as a Frontend Development.
- Proficiency in React.js, Javascript, HTML/CSS development.
- Knowledge of Backend development.
- Aptitude for learning new technologies quickly.
- Good problem-solving and analytical skills.
What We Offer:
- Glassdoor rating of 4.8, indicating high employee satisfaction.
- Free healthcare benefits.
- Strong focus on upskilling and professional development opportunities.
- Diverse and inclusive work environment.
- Competitive compensation and benefits package.
- Emphasis on maintaining a healthy work-life balance.
Experience – 5+ years
Job Location- Hyderabad
Mode of Work- Work from office
Eligibility Criteria
Should have an aggregate of 60% in the academics till date.
Any Graduate/Post Graduate.
Frontend Developer (React JS & Next JS)
Primary Skills: Next JS, Angular JS 8, MERN Stack, HTML 5, CSS3, Bootstrap 5, Java, Relational and NonSQL Database (added advantage) (SQL and Mongodb), JIRA
Required skills, Roles & Responsibilities
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
Good knowledge of HTML5 and CSS3 with Bootstrap5
Good working Knowledge of Angular JS, Node.js and Next JS
Thorough understanding of React.js and its core principles and implementations
Experience with popular React.js workflows (such as Context API, Hooks, Flux and Redux)
Familiarity with newer specifications of Ecma Script
Experience with data structure libraries (e.g., Immutable.js)
Knowledge of isomorphic React is a plus
Knowledge on Database (Relational and No SQL Database) is highly recommended
Familiarity with RESTful APIs
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
A knack for benchmarking and optimization
Familiarity with code versioning tools such as Git and SVN.
Leading the team in the correct direction
Preparing the necessary technical and non-technical documents
Assisting the team in internal auditing and external auditing if needed
Code Reviews and Code deployments (as he will be doing the changes in the live window for now and push the
changes to Prod)
Assisting the QA team in testing and making them understand the business requirement
Role and Responsibilities
- Design and develop new user-facing features using React adhering to best coding practices and standards
- Translating designs and wireframes into high-quality code and building reusable components and front-end libraries for future use
- Consistently follows and promotes SDLC best practices: Coding standards, testing, code reviews, code comments, etc.
- Keeps key stakeholders informed about progress and problems; avoids surprises
- Building responsive web applications across a vast array of web-capable devices
- Design and architect technical solutions for the business problems
- Organizes and expresses ideas clearly and concisely
- Exhibits excellent teamwork, and strong problem-solving skills and helps achieve team goals.
Qualifications and Education Requirements
- A bachelor’s or master’s degree in Computer Science or any other relevant engineering field from a reputed institute.
- Experience of 3 - 6 years as a Frontend Engineer.
- Excellent programming skills in JavaScript
- Proficient in ReactJS
- Good Exposure to AngularJS and VueJS
- Familiarity with CSS, Restful API modern build pipelines and development tools
- Good understanding of design patterns and a strong grasp of Material Design guidelines
Preferred Skills- Experience in developing and deploying applications on AWS, and Firebase. Experience with popular state management, frontend, and server-side rendering libraries
- Understanding common front-end development tools (Babel, Webpack, NPM, etc.) and code versioning tools (Git and Mercurial)
- Familiarity with Micro-frontends Architecture, Material UI, Ant Design, and GraphQL
- Has delivered projects with end-to-end accountability
- Identify and resolve performance and scalability issues
- Strong desire to learn and grow, with intelligence & adaptability while building the best-in-class systems
- Strong flair for effective communication and collaboration - you know when to push on and when to step back
Additional Notes
As we have to Bring your device policy, candidates should have a Laptop.
Please find the JD below for the role of Frontend SDE-2 of Innovaccer :-
We at Innovaccer are looking for Software Development Engineer-2 (Frontend) to build the most amazing product experience. You’ll get to work with other engineers to build a delightful feature experience to understand and solve our customer’s pain points.
A Day in the Life
- Innovate and contribute to a Monitoring UI.
- Collaborate with other development teams, quality engineering team, and documentation teams to execute product deliverables.
What You Need
- 3-6 years of experience with a start-up mentality and a high willingness to learn
- Strong knowledge and experience in HTML, CSS, and JavaScript
- Good experience into ReactJS or one modern MVC style JS Framework
- Deep understanding of the DOM and how the browser works
- Experience in building large scale pluggable UIs
- Good understanding of the constantly evolving world of front-end development
- Experience with seamless integration of front-end to back-end functionality
- Excellent understanding of UX/UI design principles
- A belief in progress over perfection.
What We Offer
- Industry-focused Certifications: We want you to be a subject matter expert in what you do. So, whether it’s our product or our domain, you will dive straight in and be certified by the best in the world.
- Quarterly Rewards and Recognition Programs: We foster learning and encourage people to take moonshots. When you achieve your goals, we recognize and reward your hard work.
- Health Benefits: We cover health insurance for you and your loved ones.
- Sabbatical Policy: We encourage people to take time off and rejuvenate, upskill and pursue their interests so that they can generate new ideas for innovating at Innovaccer.
- Pet-friendly office and open floor plan. No mundane cubicles.
Please share these details too with your interest in the opportunity :-
Current CTC (Fixed + Variable) :-
Expected CTC :-
Notice Period :-
Total Experience :-
Preferred Location :-
Holding Offer :-
Offer Amount (Fixed + Variable) :-
Updated Resume :-
Is your Notice Period is negotiable :-
Are you leading a team right now :-
To whom you are reporting too :-
How big team you are leading right now :-
Are the all team mates are reporting to you directly :-
Are you involved in their appraisals, hiring and firings as well :-
Kindly acknowledge this email as your confirmation.
- Languages: Javascript, Typescript, CSS
- Framework: React 17, knowledge of React hooks is important and knowledge about react context and redux is required too
- Packages manager: npm, yarn
- Knowledge of REST and GraphQL
- Control version: Git
- Hosting & deployment: AWS Amplify
- The automation UI was written in Vue therefore knowing about Vue may be a plus
How many hours are they expected to work?
- - Full time position ( 40+ hours a week)
What hours should they work?
- - Prefer 9-5 EST but there is wiggle room
Will there be nights and weekends?
- - Nights and weekends are not scheduled, however we are looking for someone that takes pride in their work and will lean in to hit a deadline or to fix a bug if it has a significant impact on the platform.
Should they be expected to lead?
- - Yes, you should be expected to lead and to communicate/ cooperate with other devs as a team. Some coding might be alone but the hope of the app is that it all works seamlessly together and to ensure that there needs to be communication among all devs front end and back end.
Who will they report to?
- - They will report to Product OwnerRob and Product ManagerJulietta daily for standups and well as pushing tasks through the appropriate structure of review, QA, and production.
- They will also report and check in with Client SuccessCourtney as we look to make the app have a seamless customer experience and customer value. The goal of Attribute should be to try and give as much value as quickly and easily as possible.
Will they work alone or in a team?
- In some spots they might be expected to work alone and on a separate sprint from others, however, everything needs to tie in and work together, because of that the developer must be team oriented in both development and problem solving.
- Additionally, there will be times that they should expect to work with people who are not particularly tech savvy ( ie. sales, marketing, customer success etc.) to collaborate on a specific feature to produce the best thing for the product.
Accountability
- The developer is both accountable for their code and the code of the team. They should take care and responsibility in the work that is done and if there are problems with the code in QA or production work as diligently as possible to fix that problem ( whether it is their code directly or not).
- As part of this all code will be attached from Github to Jira for developers to constantly upload their commits to Jira tasks
- A mistake is completely fine and expected, bugs are to be expected. What is asked is that you report it as soon as possible and are honest about it so that we can move forward in resolving it as soon as possible.
Customer, Usability, and Value Focused
- The end user of our product will be marketing professionals/head of marketing. At all times the developers need to take this into account and spend time thinking of the ease and the use cases that people will utilize their code or features in real life versus what is a way to make something work but in a vacuum.
Quality focused
- Pushing out code is awesome, but if the code has a ton of bugs and does not do the required action that is practical for the user then it does not matter. We want a developer who is Quality focused and also hold their other developers accountable.
Focused on the whole
- When producing a feature it is easy to sometime get sucked into how that features works in a vacuum. The developers need to be able to work together and understand the software architecture as a whole in order to make whatever feature they are working on be able to work with the other features that are built within the app ( and will be built or are on the roadmap for the future).
Creativity and Experimentation
- Developers are expected to work within structures, however, they are always encouraged to take time to think of creative solutions and to collaborate on new features or ways of making the product better.
Unfeathered, Honest, Respectful Communication
- Every developer should feel free to speak their mind in a respectful manner to other developers as well as anyone else in the entirety of the company. Any opinion, thought, or perspective will be listened to and valued.
Next Man or Woman Up Mentality
- Never should anyone on the team defer a problem and say “ thats not my fault or problem”. We are one unit and one company. One problem is everyone's problem and should lean in to the “next man up philosophy” if you have the time and can help to fix the problem and bring it to a solution you should be willing to.
Upward Mobility and Vesting Opportunity
- This position will allow for upward mobility, increased responsibility, and for people who constantly go above and beyond an opportunity to vest into and own equity in the company
Key aspects of this role:
• 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 highly-responsive user interface components 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.
To be the right fit, you'll need:
• Minimum 4+ years relevant experience in application development and React JS.
• Knowledge of React hooks such that use Context, use Reducer, use Effect.
• Knowledge of React props and state management (both functional and class component)
• Strong understanding of Error boundary concept of react.
• Work experience with any react based UI library or Redux is preferable
• Experience in building cross-browser layouts with CSS and HTML
- Bachelor’s degree in Computer Science, Information Technology, or a similar field.
- At least 5-10 years' 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, Web pack, Enzyme, Redux, and Flux, Vuejs, Angular++, Python and latest technology skills.
- Experience with user interface design. 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.










