React.js Developer (30days NP)

About Us

At Synorus, we’re building a suite of intelligent, AI-powered products that redefine how people interact with technology — from real-time video editing tools to legal intelligence and creative automation systems.

We are looking for a Frontend Developer who is passionate about crafting seamless, elegant, and high-performance user interfaces that bring next-generation AI experiences to life.

Key Responsibilities

• Design, develop, and maintain modular, scalable front-end components using React, Next.js, and TypeScript.
• Implement interactive, media-rich interfaces powered by AI and real-time data.
• Work closely with backend and AI teams to integrate APIs and WebSocket-based data flows.
• Ensure pixel-perfect, responsive, and accessible user interfaces across platforms and devices.
• Optimize performance through efficient rendering, lazy loading, and dynamic imports.
• Maintain high-quality code standards using TypeScript, ESLint, and testing frameworks.
• Contribute to our evolving design system and component library shared across products.
• Collaborate with designers and engineers to deliver intuitive, creative, and impactful user experiences.

Skills & Experience

• Strong proficiency in React, Next.js, TypeScript, and modern JavaScript (ES6+).
• Expertise in Tailwind CSS, Framer Motion, and other animation or motion libraries.
• Experience with state management tools such as Valtio, Redux, or Zustand.
• Familiarity with design tools like Figma and understanding of responsive grid systems.
• Experience integrating APIs and working with real-time data through WebSockets.
• Understanding of accessibility (WCAG), cross-browser compatibility, and performance optimization.
• Bonus: Experience with Remotion, Canvas APIs, or WebGL for video or AI-enhanced UIs.

Ideal Candidate

• Obsessed with clean, maintainable, and scalable UI code.
• Understands both design aesthetics and engineering trade-offs.
• Self-driven, detail-oriented, and thrives in a fast-paced startup environment.
• Excited to experiment with emerging technologies — AI, real-time collaboration, or creative tools.
• Loves solving complex problems through thoughtful, user-centric design.

Education

• Bachelor’s or Master’s in Computer Science, Engineering, or equivalent hands-on experience.
• A strong project portfolio or GitHub profile is highly preferred.

Why Join Us

• Work directly with the founding team and AI engineers on products shaping the future of creativity and automation.
• Be part of a fast-growing ecosystem where your work impacts multiple real-world products.
• Experience a flat hierarchy, flexible hours, and an environment that rewards innovation.
• Access to cutting-edge technologies, mentorship, and rapid growth opportunities.

• Building Progressive Web App components and features for the company's advanced health-tech platform using React Js, Node Js
• Communicating effectively in a cross-functional product development team and presenting ideas and solutions effectively.

We are looking for a React Native 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 as such, a strong team player with a commitment to perfection is required.

Responsibilities
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.
Reach out to the open-source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.
Maintain code and write automated tests to ensure the product is of the highest quality.
Transition existing React web apps to React Native.

Skills
Firm grasp of the JavaScript, TypeScript, ClojureScript language and its nuances, including ES6+ syntax Knowledge of functional or object-oriented programming
Ability to write well-documented, clean Javascript code
Rock-solid at working with third-party dependencies and debugging dependency conflicts
Familiarity with native build tools, like XCode, Gradle Android Studio, IntelliJ
Understanding of REST APIs, the document request model, and offline storage
Experience with automated testing suites, like Jest or Mocha

**About Company**
SleepyCat is India's First Mattress-In-A-Box brand! We deliver luxury mattresses, at a fraction of the usual cost, straight from our factory to your doorstep in an easy-to-carry package. 
In sleepycat we constantly thrive to make our products and customer experience better using technology.

**About Role**
We are currently looking out for a frontend developer who is motivated to learn and work on challenging projects. You should have a product mindset with great technical skills. In sleepycat we promote new and fresh ideas which can directly or indirectly help customer experience and sales. Sleepycat provides to you platform to bring your thoughts into action and implement them.

Technical skills required (expertise in atleast two of these): Javascript, CSS, PHP

**Personal and Domain Growth Initiatives**
1. In SleepyCat we promote career growth. Once you are settled and have completely owned the system you are hired for, you have the freedom to pick some other technologies inside SC. You will be given time to learn and contribute. Right now we have Web Development (PHP/JS), ReactJS and Ruby on Rails. So you have the freedom to utilize 30% of your time on any of these languages if you wish to and remaining 70% on your primary domain.
2. We also promote self-growth. You can utilize 10% of your time to learn any skill you want and we will help you with that. It is not restricted to the tech domain, could be anything from marketing to sales to personality development.

**Interview Process Details**
***Technical Round 1: Development Knowledge Round***
We will test your skills in 3 domains
understanding an existing written code and ability to make changes
coding a logical question to test basic coding skills
ability to think of test cases to write a full proof code
***Technical Round 2: Coding Round***
45 minutes coding round where you will be required to code live sharing your screen. On the spot problem will be given.

**Additional details**
Website: https://sleepycat.in/
Work Culture: 6 days(All Saturday half day)
Office Location: 91Springboard, Kalina, Mumbai
Employee Strength: 40+ Employees
Founded: 2017
Funding: $1.6 Million

Read about Sleepycat and funding on Crunchbase: https://www.crunchbase.com/organization/sleepycat
Learn what employees say about Sleepycat on Glassdoor: https://tinyurl.com/r9oqfkl
Checkout what people say about SleepyCat products on Google: https://tinyurl.com/rco3nqr