Senior Mobile App Developer

2 weeks ago


Najafgarh, Delhi, India Jumbo Full time

About Us

Jumbo is a pioneering gaming platform that has disrupted the traditional notion of risk and reward. With a unique value proposition, we have successfully scaled to over 400,000 users in a short span of time.

Our mission is backed by top global investors who recognize the immense potential of our opportunity. We are on a quest to revolutionize the gaming industry, and this is an exciting chance for talented individuals to be part of it.

Job Details

Location: South Delhi, New Delhi

Experience: 3+ Years

Estimated Salary: ₹35,00,000 + ESOPs per annum

Work Schedule: 6 days a week

Responsibilities

  • Collaborate with cross-functional teams to deliver innovative ideas and solutions through rapid experimentation.
  • Translate complex designs into high-performance React Native code that meets the highest standards of quality and responsiveness.
  • Ensure seamless integrations with native APIs on both Android and iOS platforms.
  • Maintain exceptional code quality, best practices, and security throughout development.
  • Participate in code reviews, architectural discussions, and technical documentation.
  • Work closely with backend engineers to ensure end-to-end system functionality.
  • Optimize app performance and address complex React Native issues.

Requirements

  • Minimum 3 years of experience in React Native.
  • Proven track record of developing large-scale gaming/consumer-centric applications.
  • Expertise in tackling complex React Native issues and contributing to libraries.
  • Strong focus on optimizations and delivering exceptional app experiences.
  • Proficiency 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 passion for building from scratch.


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