
Mandatory:
- 4-7 Experience in React JS, (ReactJS 2.5yrs compulsory)
- Optional:
Knowledge in UX/UI design, Azure DevOps, Test Driven - and Domain Driven Development
- Developing of complex IT systems with various system integrations and configurations
- Data security/GDPR

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Skills Required:
- Deep expertise in modern frontend frameworks - React, Next.js, Vue, or Svelte.
- Proficiency in *TypeScript, JavaScript (ES6+), and functional programming patterns.
- Experience in state management (Zustand, Redux Toolkit, Recoil, Jotai) and component-driven architecture.
- Strong understanding of UI/UX best practices, design systems, and responsive design.
- Expertise in performance optimization, code splitting, and progressive rendering.
- Familiarity with WebAssembly (WASM), WebGL, and Three.js for high-performance or 3D interfaces.
- Understanding of API integration, GraphQL, and real-time systems (WebSockets, SSE, gRPC).
- Experience with frontend DevOps pipelines - Vite, Turborepo, CI/CD, and containerized builds (Docker).
- Familiarity with AI-assisted tools such as GitHub Copilot, Cursor, V0 by Vercel, Galileo AI, and Figma’s AI features.
- Awareness of AI-driven frontend experiences - text-to-UI systems, multimodal chat UIs, and LLM-based interface personalization.
- Bonus: Exposure to AR/VR frameworks, Unreal Web Integration, or Edge-rendered UIs (Cloudflare Workers, Deno Deploy).
Who We Are Looking For:
Upsurge Labs builds experiences that bridge humans and machines, robotics dashboards, biotech data portals, AI film interfaces, and creative tools that define the next generation of interaction.
We’re looking for a Senior Frontend Engineer who doesn’t just write code, they design experiences that move at the speed of imagination.
You should be:
- Smartworking, organized, and driven to engineer interfaces that feel alive.
- A craftsman obsessed with precision, animation, and design integrity.
- Someone who can think like a designer, structure like an architect, and execute like an engineer.
- Capable of thriving in ambiguity, where the problem isn’t defined.
- Ready for a challenging, fast-paced environment where quality matters and ‘good enough’ isn’t enough.
At Upsurge Labs, you’ll shape the visual soul of the technologies that shape the future.
About KAFQA
At Kafqa, we are building the next generation performing arts platform. Our mission is to transform how India learns, performs & watchers performing arts. We are currently in stealth mode with a target public launch date in April. Our launch services consist of technology enabled dance classes in our proprietary studios, production facilities and social media broadcasting & competitions.
Founder & Team
The founder is Shariq Plasticwala. He is a graduate of IIT Bombay & Stanford GSB. He was part of the founding team of Amazon India where he played a key role for over 8 years. Among his roles at Amazon, he was the CEO of Amazon’s first joint venture in India and a Board Member of Amazon’s payments business. The other members of the founding team consist of senior executives from Shiamak Davar & Byju’s.
Role
We are looking for an experienced Frontend engineer with ReactJS development experience to join our team.
Here’s are some of the things you might have to do on any given day:
- Implement responsive and performant UIs with user centered approach with frontend technologies including ReactJS, Javascript(ES 6), Typescript, SCSS, etc
- Write meaningful test cases for frontend &
- Develop Infrastructure for delivering services using a performance driven approach, build databases, schedule automated jobs, etc
Ideal Background / Experience
- At least 12 months of diverse experience in web development for product or services oriented environment with exposure to working production deployments
- Expertise in programming using Python/ReactJS or similar scripting languages
- In-depth exposure to technologies used in web-based SaaS products, including REST APIs
- Sound understanding of Postgres and NoSQL databases such as MongoDB
Nice to have exposure to any of
- AWS
- Azure
- ELK
- Object Relational Models (SQLAlchemy, etc)
- Google APIs
- Microservices Architecture Pattern
- NodeJS / ExpressJS
- Solid technical skills with a proven and successful history working as a Front End Developer
- Experience & Knowledge in Angular, React & Vuejs
- Good working knowledge on Bootstrap, CSS, HTML5, JavaScript and TypeScript
- Excellent interpersonal abilities, communication skills, time management and Team skills with an intention to work hard to meet project deadline
- 3-4 years of experience in IT with 3 +minimum years of experience in React Development
- 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, Enzyme, Redux, and Flux.
- 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.
- Solid analytical and problem-solving skills.
- Strong interpersonal, written and verbal communication skills.
- Experience with gathering user requirements and understanding and interpreting requirements specifications
- Experience with full System Development Life Cycle is a plus
- Maintain time reporting on projects and provide timely updates to project milestones.
Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at a massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.
As a Front End software engineer, you will work on the ReactJS powered user interface used by Fulfil merchants to manage their back-office operations. This is mission critical software and your primary focus will be on developing user interface components and implementing them following well-known React.js workflows. You will ensure that these components and the overall application are robust and easy to maintain. In this role, you will be collaborating closely with the rest of the team working on different layers of infrastructure in an international environment. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality are important.
What You’ll Do:
- Collaborate with a small yet extraordinarily talented team of engineers to implement front-end technologies
- Develop new user-facing features using React.js and React Native
- Work closely with the Design and Product teams to translate complex technical workflows into delightful user experiences
- Define how Fulfil builds user interfaces and ensure that we’re utilizing and keeping up with modern web standards
- Continually test, measure, and iterate on the results of your work in the spirit of continuous improvement
- Write clean, reusable, and well-tested front-end code
- Help to bridge the responsibilities of the Product and Engineering teams, spending time with both on the way to launching new products
- Architect efficient and reusable front-end abstractions and systems that drive complex web applications
- Create reliable and type-safe applications with Typescript
- Build and contribute to open source projects
- Build reusable components and front-end libraries for future use
- Optimize components for maximum performance across a vast array of web-capable devices and browsers
We’re Looking for Someone With:
- 5+ years of experience as a front end engineer
- Experience in building large-scale web applications in a fast-moving team environment
- A strong understanding of UX and UI design standards
- The perfectionist’s touch on a pragmatist’s deadline: you strive for pixel-perfection and intuitive functionality
- Strong proficiency in JavaScript (2-4 Years of experience), including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles, with experience in popular React.js workflows
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc
- Experience with popular testing frameworks, like Jest, Cypress, and Testing Library.
- The ability to bring any design to life with HTML and CSS, with cross browser compatibility and accessibility
- Smarts, humility, communication skills, and equal willingness to teach and learn
- Familiarity with RESTful and GraphQL APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Experience in developing large client side JavaScript applications
- Familiarity with code versioning tools like GIT
- Experience with Javascript testing tools and test automation
Nice to Haves:
- Prior experience at a growth stage Internet/Software company
- Demonstrated work beyond the front-end, experienced in integrating with a wide array of back-end technologies and services (e.g. experience with Python, AngularJS)
- Experience developing large client-side applications and optimizing them for performance
- You can straddle client and server development, creating APIs that drive web apps
- You understand the intricacies of timezones
- Web optimization, performance tools, and load testing
- You maintain or contribute to an open-source project
- 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.
- Maintain and write clean code to ensure the product is of the highest quality.
- Using knowledge of modern authorization mechanisms, such as JSON Web Token
- Being familiar with modern front-end build pipelines and tools
- Working with common front-end development tools such as Babel, Webpack, NPM, etc. to create the best end user products and experience
- Ability to understand business requirements and translate them into technical requirements.
- Very good problem-solving capabilities and aptitude
- Good team player with drive to achieve more
- Passion to be core member of a fast-growing startup
- Strong proficiency in JavaScript
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (such as Flux or Redux)
- Familiarity with newer specifications of Ecma Script
- Familiarity with RESTful APIs
Required Skills/Experience
If a misaligned shadow bothers you, we already like you 😆
- Master's / Bachelor’s degree in Computer Science, Software Engineering, or Self taught developer.
- 3+ years of experience in fundamentals of web, HTML, CSS and JavaScript.
- Familiarity with JavaScript frameworks such as Vue or React.
- Understanding of product design, user experience and skills to recreate and match high quality pixel perfect designs and can go above and beyond in detailing.
- Has ability to build a ground up resoluble components and in-house UI system that can scale across the product.
Responsibilities
A collaborative role with Individual ownership ✅
- Ownership of developing UI related features. Work with with the rest of the engineering team to develop, launch or maintain features.
- Take ownership of design <> dev collaboration and participate in the education of both sides.
- Work closely with design team and become a bridge between engineering and design.
- Maintain code integrity.
What we're looking for
AdPushup is an award-winning ad revenue optimization platform and Google Certified Publishing Partner (GCPP), helping hundreds of web publishers grow their revenue using cutting-edge technology, premium demand partnerships, and proven ad ops expertise. Our team is a mix of engineers, marketers, product evangelists, and customer success specialists, united by a common goal of helping publishers succeed. We have a work culture that values expertise, ownership, and a collaborative spirit.
Your Day-to-Day Tasks Include:
Ship product, independently and/or as part of a small team
Collaborate with other engineers to build new features
Debugging using dev consoles, firebug, firecookie, or any of your favorite tools. Help troubleshoot production issues and resolve critical customer facing issues Provide top-notch support to our customers
You Should Have:
3+ years of experience with React.
A strong body of prior front end work, including significant projects written in React and Redux. Mastery of JavaScript; expertise in most of the following technologies, and proficiency in all of them: CSS3, HTML5, AJAX.
Deep understanding of closures, prototypal inheritance, HTTP, web security, cross browser compatibility challenges.
Experience with NodeJS and Express JS will be a plus
Hands-on with a code management system like GIT, SVN.
Experience with NoSQL databases, preferably CouchDB or CouchBase.
Good to have: Experience with Typescript.
About us
CasaOne - CasaOne is a home furniture rental company that helps property managers, realtors, stagers and residents experience and access furniture, furnishings, decor, and equipment on demand. Our full-service offering includes a wide selection of products, affordable monthly rental plans, 3D visualizations, rent-to-own options and white-glove service in as early as 2-3 business days. www.casaone.com
BureauOne - BureauOne converts furniture into a utility for businesses. BureauOne is a furniture rental company that helps businesses experience and access furniture, fixtures, and equipment without going through the myriad challenges that are associated with buying office furniture. BureauOne offers a full-service product including white-glove storage, delivery, and installation on-site. www.bureauone.com.
We are backed by Accel Partners & other prominent investors and have offices in the SF Bay Area (HQ), LA, DC, NY, NJ,Chicago, Philadelphia, San Diego, Connecticut & Bangalore.
Our teams consist of high performing individuals who enable each other to bring their best to every concept, resulting in brands renowned in their markets for perfect insight, impeccable service & the constant ability to surprise with excellence. We onboard experts who inspire us in the way they design solutions, craft brands or simply add sense to our products & services.
We believe technology is only a tool for great engineering minds. Your understanding of core principles is of greater value to us than the tools used.
At CasaOne and BureauOne you will have an opportunity:
• to increase your rate of learning exponentially by defining hard problems and solving them
• to partake in a high-growth journey and increase revenues 5x+ Y-o-Y
• to be an early innovator in the shifting trend: ‘ownership economy’ -> ‘access economy’
• to build a category-defining platform for FF&E (Furniture, Fixture, and Equipment) leasing
• to build high-performance teams.
What you will work on
Your primary focus will be to implement a complete user interface in the form of a responsive web app, with a focus on performance. Your main duties will include creating modules and components and coupling them together into a functional app. A thorough understanding of all the components of our platform and infrastructure is required as you will be working closely with the back-end team to decide REST contracts.
Requirements and Qualification
• 4-7 years of experience.
• Bachelor’s degree in engineering
• Assess the technical feasibility of UI/UX designs
• Develop new user-facing features
• Build reusable code and libraries for future use
• Optimize application for maximum speed and scalability
• Assure that all edge cases are handled
• Collaborate with other team members and stakeholder
• Good understanding of responsive web development
• Proficient understanding of cross-browser compatibility issues and ways to work around them
• Basic understanding of SEO
Good to know
CasaOne Frontend services are written in ReactJS. Experience in ReactJS is good to have, not a must. We believe technology is only a tool for great engineers. We value your understanding of core principles more than the tools used.
What happens next
You read this, you say ‘ah, that’s me, that’s what I would love to do in the near future!. Submit your resume and someone from our team will reach out to you.
CasaOne is an equal opportunity employer (EEO) & we value diversity in our teams.












