Senior Mobile Developer for Next-Generation Gaming Platform

4 weeks ago


Najafgarh, Delhi, India Jumbo Full time

About Jumbo

We are the world's first no money-loss gaming platform, where we empower users to win without the risk of losing. Our unique value proposition has enabled us to scale to over 400,000 users in a short period.

Our mission is backed by top global investors who recognize the enormous potential and large-scale impact we can create.

This is an exceptional opportunity to join our team and be part of a rocketship with all the possible upside of being early.

Job Details

Location: New Delhi

Experience: 3+ Years

Estimated Salary: ₹35 Lakhs per annum + Esops

Work Schedule: 6 days a week

Key Responsibilities

  • Collaborate with cross-functional teams to understand ideas and deliver them through rapid experiments.
  • Translate complex designs into 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 3 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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