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Freelance React Native Developer Jobs in California

Foundation Labs

We're looking for a developer experienced with React Native and additional experience in one or more other mobile development environments, such as iOS development with Swift/Objective-C, or Android ...

Air Apps

React Native Engineer

San Francisco, CA · On-site

$80K - $100K/yr

The Role We are looking for a React Native Engineer to join our team and help build and maintain our suite of mobile applications. You will collaborate closely with designers, product managers, and ...

Bluelight Consulting

We are looking for an experienced React Native Developer with 4 years of experience to join our development team. The ideal candidate will have strong experience building, deploying, and maintaining ...

Replit

Software Engineer, Mobile

Foster City, CA · On-site

$130K - $300K/yr

You're passionate about UX/UI and ready to transition your mobile expertise to React Native development. 3. The Native Developer Exploring Cross-Platform You're a skilled mobile native developer (iOS ...

Arena Club

Senior React Native Engineer

San Francisco, CA · On-site

$157K - $196K/yr

They are seeking a highly skilled Senior Mobile Engineer with strong experience in React Native to help scale and evolve their mobile app, delivering new features and ensuring world-class user ...

Arena Club

Senior React Native Engineer

Los Angeles, CA · On-site

$143K - $179K/yr

They are seeking a highly skilled Senior Mobile Engineer with strong experience in React Native to help scale and evolve their mobile app, delivering new features and ensuring world-class user ...

Arena Club

Senior React Native Engineer

Los Angeles, CA · Remote

$132K - $174K/yr

About the Role We are seeking a highly skilled and experienced Senior Mobile Engineer with strong experience in React Native to help scale and evolve Arena Club's mobile app. As a key member of the ...

Arena Club

Senior React Native Engineer

San Francisco, CA · Remote

$144K - $190K/yr

About the Role We are seeking a highly skilled and experienced Senior Mobile Engineer with strong experience in React Native to help scale and evolve Arena Club's mobile app. As a key member of the ...

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Freelance React Native Developer information

What is the difference between Freelance React Native Developer vs Mobile App Developer?

AspectFreelance React Native DeveloperMobile App Developer
CredentialsExperience with React Native, JavaScript, mobile developmentExperience with various platforms (iOS/Android), programming languages (Swift, Java, Kotlin)
Work EnvironmentIndependent, project-based, remote or on-siteIn-house or freelance, often within a team or agency
Industry UsageFreelance market, startups, small to medium businessesTech companies, agencies, large enterprises

While Freelance React Native Developers specialize in cross-platform mobile app development using React Native, Mobile App Developers may work with multiple platforms and languages. Freelance React Native Developers focus on project-based work, often remotely, whereas Mobile App Developers can be employed full-time or freelance across various environments. Both roles require mobile development skills but differ in scope and work setup.

What are some common challenges freelance React Native developers face when working with multiple clients simultaneously?

Freelance React Native developers often juggle multiple projects and clients at once, which can present challenges in time management, communication, and maintaining consistent code quality. Balancing different project requirements and deadlines requires strong organizational skills and the ability to quickly adapt to various codebases. Additionally, freelancers must proactively communicate with clients to clarify expectations, provide updates, and address issues promptly, as remote collaboration is typical in these roles.

What are the key skills and qualifications needed to thrive as a freelance React Native developer?

To thrive as a Freelance React Native Developer, you need strong proficiency in JavaScript, React Native, and mobile app development, with a solid understanding of both iOS and Android platforms. Familiarity with tools like Expo, Redux, Git, and experience integrating APIs are typically expected, while certifications in mobile development or React can be advantageous. Excellent problem-solving, self-management, and client communication skills help freelancers deliver quality projects and maintain professional relationships. These skills ensure that developers can build high-performing, cross-platform apps independently while meeting client expectations and project deadlines.

What is a freelance React Native developer?

A Freelance React Native Developer is an independent software developer who specializes in building mobile applications using the React Native framework. They work on a contract or project basis, rather than as a full-time employee, and often collaborate remotely with clients or teams. Their primary role is to create cross-platform apps for iOS and Android using JavaScript and React principles, ensuring efficient performance and a seamless user experience. Freelance React Native Developers handle tasks such as app development, debugging, testing, and sometimes deployment, adapting to the unique needs of each client or project.
What are the most commonly searched types of React Native Developer jobs in California? The most popular types of React Native Developer jobs in California are:
What are popular job titles related to Freelance React Native Developer jobs in California? For Freelance React Native Developer jobs in California, the most frequently searched job titles are:
What job categories do people searching Freelance React Native Developer jobs in California look for? The top searched job categories for Freelance React Native Developer jobs in California are:
What cities in California are hiring for Freelance React Native Developer jobs? Cities in California with the most Freelance React Native Developer job openings:
Freelance React Native Developer jobs near you

React Native Developer

Everest Global Solutions

Alameda, CA • On-site

Other

Posted 3 days ago

New

Job description

Role: React Native Developer

Job Description:

  • Build and maintain consumer mobile features across iOS and Android using React Native, including CGM data visualization, AI-powered food logging, personalized metabolic insights, and AI health assistant experiences.
  • Own your areas of the React Native codebase end to end, from architecture and design through implementation, testing, and ongoing maintenance.
  • Write clean, well-tested, performant React Native code that works reliably across a wide range of iOS and Android devices and OS versions.
  • Identify and resolve performance issues across the React Native layer, including JavaScript thread bottlenecks, render
  • optimization, and memory management.
  • Work with native modules and understand how React Native bridges to iOS and Android platform capabilities, including integrations with CGM hardware SDKs and Bluetooth data streams.
  • Participate in Lingo''s ongoing migration from React Native toward native iOS and Android where appropriate, contributing your perspective on what should migrate and how.
  • Conduct code reviews that raise the quality bar across the mobile team, sharing knowledge and holding a high standard for readability, testability, and maintainability.
  • Partner with Product and Design to translate requirements into well-scoped, high-quality engineering solutions and push back constructively when scope or approach creates unnecessary complexity.
  • Contribute to mobile testing practices, including unit, integration, and end-to-end testing across the React Native layer.

Required Qualification:

  • Bachelor’s degree in computer science, Engineering, or a related technical discipline.
  • 5+ years of professional software engineering experience, with at least 3 years using React Native as a primary technology in a production consumer application.
  • Strong, demonstrable React Native expertise, including component architecture, state management, navigation, performance optimization, and the React Native new architecture (JSI, Fabric, Turbo Modules).
  • Working knowledge of iOS and/or Android platform fundamentals, sufficient to understand how React Native interacts with the native layer, read and interpret native code when debugging, and make informed decisions about native module usage.
  • Experience working with native modules in a React Native application, including consuming existing native modules and understanding how they bridge to platform capabilities.
  • Solid understanding of mobile application architecture patterns, including state management solutions (Redux, Zustand, or equivalent), navigation libraries, and offline-first design.
  • Experience with mobile performance profiling and optimization at the React Native layer, including identifying and resolving JavaScript thread and render performance issues.
  • Experience writing automated tests for React Native applications, including unit and integration tests and familiarity with end-to-end testing frameworks.

Preferred Qualifications:

  • Hands-on experience writing native iOS code in Swift or native Android code in Kotlin, beyond reading and debugging into actively building native modules or platform-specific features.
  • Experience in consumer health, digital health, or regulated industries where software quality has direct implications for end users.
  • Familiarity with CGM, biosensor, or IoT data integration in mobile applications, particularly real-time data streams from wearable hardware.
  • Exposure to Bluetooth Low Energy protocols and mobile SDK integration for wearable or connected health devices.
  • Exposure to on-device AI or ML capabilities such as Core ML or TensorFlow Lite integrated within a React Native
  • application.
  • Experience with app store release processes for iOS and Android, including CI/CD pipeline integration for mobile builds.
  • Prior experience at a high-growth consumer technology company or digital health environment.

Apply