Frontend Developer

About the Company :

Jumbo is pioneering the future of gaming with the world’s only No Money Loss Gaming app. Our innovative platform allows users to win money by playing games without the risk of losing their stake, even if they don’t win the game.

Imagine playing a game of Poker with ₹1,000 which you end up losing. What if you could reuse those ₹1,000 to buy a Domino's Pizza!? Or to watch a movie at PVR, or buy your favorite headphones?

Job Details :

Location : South Delhi, New Delhi

Experience : 1+ Years

Work Schedule : 6 days a week

Responsibilities :

Collaborate with product, design, and business teams to understand ideas and needs, delivering them through rapid experiments.

Translate complex designs into polished, high-performance code.

Ensure exceptional performance, quality, and responsiveness.

Maintain high standards for code quality, best practices, and security throughout development.

Participate in code reviews, architectural discussions, and technical documentation.

Work with backend engineers to ensure end-to-end system functionality.

Requirements :

Minimum of 1 year of experience in React / Next Js.

Proven track record in developing and delivering large-scale gaming / consumer centric websites.

Expertise in tackling complex React issues and contributing to libraries.

Strong focus on optimizations and delivering the best app experience.

Proficient in JavaScript, including ES6+ syntax and TypeScript.

Experience writing unit tests with libraries like Jest, Enzyme, Jasmine, Mocha, etc.

Strong knowledge of state management tools like Redux, React Query, Zustand.

Growth mindset and passionate about building from the ground up.