Senior React Native Developer
Johnson Service Group Inc.Role Overview
Johnson Service Group Inc. is hiring a Senior React Native Developer. This is a contract hybrid role, based in Malvern. Part of Johnson Service Group Inc.'s Backend hiring. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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Job Description
Our client is seeking a Senior React Native Developer responsible for building scalable cross-platform mobile applications and leading the adoption of React Native within a large-scale native iOS and Android ecosystem while optimizing performance and enabling collaboration across multiple engineering teams.(Hybrid, PA or NC)
Must Have skills
- React Native development for cross-platform mobile applications
- TypeScript for scalable and maintainable mobile codebases
- Integration of native iOS and Android modules (brownfield approach)
- Mobile performance optimization (startup time, memory usage, frame-rate stability)
- UI implementation and state management for mobile applications
- Integration of third-party SDKs and platform-specific configurations
Nice to have skills
- Experience leading React Native adoption within large mobile engineering organizations
- React Native for Web development
- Cross-platform design systems and shared component libraries
- Expo SDK and EAS Build/Submit/Update workflows
- CI/CD pipelines and automation (GitHub Actions, EAS Build)
- Mobile app distribution platforms (TestFlight, Google Play Console)
Responsibilities
- Lead the adoption and integration of React Native within an existing native mobile ecosystem.
- Design and develop high-performance, scalable mobile features across iOS and Android platforms.
- Collaborate with product managers, designers, and backend engineers to deliver intuitive mobile experiences.
- Optimize mobile application performance including startup time, bundle size, memory usage, and responsiveness.
- Contribute to the evolution of mobile architecture, tooling, and cross-platform frameworks.
- Mentor junior and mid-level engineers and promote best practices across mobile teams.
Additional information
- Extensive experience developing cross-platform mobile applications using React Native.
- Strong proficiency with TypeScript and modern JavaScript development practices.
- Experience bridging native modules and platform-specific mobile configurations.
- Ability to build and maintain scalable frameworks within large mobile ecosystems.
- Experience working with large mobile development organizations and multiple feature teams.
- Familiarity with CI/CD pipelines, automated release pipelines, and mobile distribution platforms.
- Hands-on experience with Expo SDK, EAS workflows, and OTA delivery mechanisms.
- Strong collaboration skills and ability to work effectively in hybrid and distributed teams.
- Proven ability to take ownership of projects from concept to delivery in fast-paced environments.
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Frequently Asked Questions
How do I apply for the Senior React Native Developer position at Johnson Service Group Inc.?
Use the Apply button above to submit your application directly to Johnson Service Group Inc.. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Is the Senior React Native Developer role at Johnson Service Group Inc. remote or in-office?
This is a hybrid role based in Malvern. Expect a mix of in-office and remote days, with the specific cadence set by the hiring manager.
What does a Senior React Native Developer at Johnson Service Group Inc. earn?
Johnson Service Group Inc. has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Senior React Native Developer role at Johnson Service Group Inc. posted?
This role was posted on March 20, 2026 (90 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
How much experience does the Senior React Native Developer role at Johnson Service Group Inc. require?
This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. Johnson Service Group Inc. lists their specific requirements in the description below, so review the must-have qualifications closely before applying.
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