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Woliba

Senior Mobile Engineer (Remote)

Remote
React Native Swift Kotlin Java Objective-C OAuth JWT Expo Modules
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Description

Senior Mobile Engineer (React Native & Native Integration)

Location: Remote

About Woliba

Woliba stands for Work Life Balance. We are a comprehensive Employee Engagement and Wellness platform that connects fitness, wellness, and recognition to create healthier, more connected workplaces. We don't just talk about wellness—we live it.

The Opportunity

We are looking for a Senior Mobile Engineer to lead our transition into a hybrid mobile environment. Instead of a "greenfield" rewrite, you will be the architect responsible for embedding React Native into our existing, high-performance native iOS (Swift) and Android (Kotlin) apps. Your goal is to enable efficient cross-platform development for future modules (like Rewards and Community) while maintaining the integrity of our native core.

Why Woliba? (Our Culture)

  • True Work-Life Balance: It’s in our name. We prioritize the mental and physical well-being of our team.
  • Fully Remote: We empower our team to work from where they are most productive, ensuring you have the flexibility to thrive both personally and professionally.
  • Impact: You will be the point person for a major architectural shift at a scaling company, influencing our technical roadmap for years to come.

Key Responsibilities

  • Architect the "Brownfield" Bridge: Lead the technical integration of React Native into existing Swift and Kotlin codebases.
  • Cross-Platform Delivery: Build and deploy new, high-complexity features once for both iOS and Android.
  • Auth & State Synchronization: Implement secure, real-time data sharing between native storage (Keychain/SharedPrefs) and the React Native engine.
  • Performance Engineering: Manage engine startup times (Hermes/Turbo Modules) to ensure transitions feel native and snappy.
  • Native Module Development: Write custom Native Modules in Swift/Kotlin when React Native needs to access deep device features.
  • CI/CD Leadership: Update build pipelines to handle the dual nature of the app (npm alongside CocoaPods and Gradle).

Technical Requirements

  • 5+ Years of Mobile Experience: A deep background in mobile-first development.
  • React Native Expertise: Advanced knowledge of React Native internals (The Bridge, JSI, and the New Architecture).
  • Native Foundations: Proficiency in Swift/Objective-C and Kotlin/Java. You must be comfortable navigating a 100% native project.
  • Hybrid Experience: Proven track record of "Brownfield" integration (adding RN to existing native apps).
  • Security: Experience with OAuth, JWT, and securing sensitive data across hybrid environments.

Bonus Points

  • Experience in HR Tech or Wellness.
  • Experience with Expo Modules in a brownfield context.
  • A passion for high-fidelity UI/UX and creating "invisible" transitions between platforms.
Woliba
Woliba

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