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Senior React Native Developer

Role overview

Qualifications

  • 7+ years of professional mobile development experience, with substantial React Native experience
  • Expert knowledge of JavaScript (ES6+) and TypeScript
  • Hands-on experience integrating AI/LLM APIs (OpenAI, Anthropic, Google Gemini, or similar)
  • Strong understanding of React fundamentals — hooks, context, component lifecycle, and performance optimization

Responsibilities

  • Design, build, and maintain performant cross-platform mobile apps using React Native
  • Own architecture decisions and set best practices for the mobile codebase
  • Integrate with REST/GraphQL APIs, third-party SDKs, and native modules
  • Write and bridge native code (Swift/Objective-C, Kotlin/Java) when required

Key facts

Hard skills

Other skills

  • Communication

About the company

Zazz.io logo

Zazz.io

IT Services & IT Consulting

We at Zazz are triggering a Digital & Mobile revolution, by using code, passion, ideas, emotions, and the world’s most powerful technological platforms. We believe in crafting incredible experiences for the users, and our mission is to unleash unstoppable success and sustainable growth for our clients, all across the globe. Our 275+ strong team of UI/UX experts, talented programmers and dedicated business analysts, marketing mavericks, mobile app architects, solution engineers etc, based globally across the world. Wecreate scalable, powerful, and aesthetically stunning mobile apps and websites, powered with futuristic technologies such as Artificial Intelligence, Machine Learning, Internet Of Things, Metaverse and a lot more. If you’re still wondering Why Zazz? Well, because we are the change-makers, the disruptors of the status quo. We’re determined to provide the best in the class technological services to startups, SMEs, enterprises, and corporations all across the US and Canada. We’re the unfair advantage that you can have for the success of your company. Led by strong leadership, we at Zazz have incorporated a growth mindset, an agile working model, and a passion for delivering solutions and success, no matter how hard the challenge is. Team Zazz invites you to join forces with us because together, we can create a better, more beautiful, and breathtaking future. Join us, and experience the future of mobile and digital, right here, right now!

Company details

Company typeSME
IndustryIT Services & IT Consulting
Company size201 - 500

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Job description

This is a remote position.

About Us: We're a custom mobile software development company building tailored, high-quality mobile applications for clients across industries. We take products from concept to store, and we care deeply about clean architecture, performance, and long-term maintainability. We're looking for a senior engineer to take ownership of our React Native work as a key member of our mobile team.

About the Role: We're seeking a Senior React Native Developer with deep, hands-on expertise to lead the development of cross-platform mobile applications. This is a senior position — you'll own features end to end, make architectural decisions and act as a technical point of reference across projects. You should be comfortable working directly with clients and translating requirements into robust, production-ready apps.

What You'll Do

  • Design, build, and maintain performant cross-platform mobile apps using React Native
  • Own architecture decisions and set best practices for the mobile codebase
  • Integrate with REST/GraphQL APIs, third-party SDKs, and native modules
  • Write and bridge native code (Swift/Objective-C, Kotlin/Java) when required
  • Optimize app performance, memory usage, and startup time
  • Manage the full release cycle — build, test, and deploy to the App Store and Google Play
  • Review code, mentor mid- and junior-level developers, and uphold engineering standards
  • Collaborate with designers, product managers, and clients to deliver on requirements

Required Skills & Experience

  • 7+ years of professional mobile development experience, with substantial React Native experience
  • Expert knowledge of JavaScript (ES6+) and TypeScript
  • Hands-on experience integrating AI/LLM APIs (OpenAI, Anthropic, Google Gemini, or similar) into applications
  • Strong understanding of React fundamentals — hooks, context, component lifecycle, and performance optimization
  • Experience with state management (Redux / Redux Toolkit, Zustand, or Context API)
  • Solid experience with React Navigation
  • Proficiency integrating RESTful and/or GraphQL APIs
  • Experience writing native modules and bridging native code (iOS: Swift/Objective-C; Android: Kotlin/Java)
  • Familiarity with native build tooling (Xcode, Android Studio, Gradle, CocoaPods)
  • Experience publishing and maintaining apps on the App Store and Google Play
  • Strong understanding of mobile app architecture, offline handling, and security best practices
  • Experience with Git and collaborative version control workflows

Nice to Have

  • Experience with Expo and the Expo ecosystem
  • Familiarity with the New Architecture (Fabric, TurboModules) and Hermes
  • Testing experience (Jest, React Native Testing Library, Detox)
  • CI/CD for mobile (Fastlane, EAS, Bitrise, GitHub Actions)
  • Push notifications, deep linking, and analytics integration (Firebase, etc.)
  • Experience in a client-facing or agency/consulting environment
  • Native mobile development background (fully native iOS or Android)

What We're Looking For in a Person

  • A senior engineer who takes ownership and can work independently
  • Genuine enthusiasm for AI and a habit of using it to build better products
  • Strong communication skills and comfort working directly with clients
  • Someone who values code quality, testing, and maintainable solutions

Tech Stack: React Native, JavaScript (ES6+), TypeScript, React, Redux Toolkit / Zustand, React Navigation, REST / GraphQL, Swift / Objective-C, Kotlin / Java, Xcode, Android Studio, Gradle, CocoaPods, Git, Firebase, Jest / Detox, Fastlane / EAS



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Marcus Rivera

Chief Revenue Officer

m.rivera@company.com
linkedin.com/in/marcusrivera
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