React Native Developer

3 days ago

New Delhi, India Jumbo Full time

About Us


Jumbo is world's first no money-loss gaming platform, where we fulfill the core human desire to win without the risk of losing. Our unique value prop has enabled us to scale to over 400,000 users in just a few months.

Our mission is backed by top global investors from day zero who know how big this opportunity is and the large scale impact we can create.

This is once in a lifetime opportunity to get a seat on this rocketship, with all the possible upside of being early.


Job Details


Location: South Delhi, New Delhi

Experience: 3+ 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 React Native code.
  • Ensure exceptional app performance, quality, and responsiveness.
  • Leverage native APIs for deep integrations on both platforms.
  • 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.
  • Optimize app performance and address complex React Native issues.


Requirements


  • Minimum of 2 years of experience in React Native.
  • Proven track record in developing and delivering large-scale gaming/consumer centric Android and iOS applications.
  • Expertise in tackling complex React Native 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.
  • Proficiency in at least one native language: Android (Kotlin/Java/Compose) or iOS (Swift/Objective-C/SwiftUI).
  • Strong knowledge of state management tools like Redux, React Query, Zustand.
  • Experience with MMKV and async storage.
  • Ability to create complex animations using Skia and Reanimated.
  • Extensive knowledge of app performance profiling tools.
  • Growth mindset and passionate about building from the ground up.

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