Senior Mobile Engineer — React Native (iOS/Android)

Motion Recruitment; Baltimore (MD); On-site; USD 140,000 - 150,000; Full time

Job summary

Motion Recruitment is seeking a Senior Mobile Engineer to build and evolve our mobile experience for readers on iOS and Android, using React Native. You will shape a fast, reliable mobile product in partnership with Product, Design, Data, Backend, and newsroom stakeholders.

You’ll own significant features, optimize performance, and contribute to mobile architecture and release processes while mentoring teammates.

Qualifications

• 5+ years of professional software engineering experience.
• 3+ years building production mobile apps with React Native.
• Strong proficiency in JavaScript and TypeScript.
• Experience developing for both iOS and Android environments.
• Understanding of mobile app lifecycle, deployment, app store processes, and release management.
• Experience integrating RESTful APIs and working with modern backend systems.
• Familiarity with state management patterns such as Redux, Context API, or similar approaches.
• Strong understanding of mobile performance optimization, debugging, testing, and observability.
• Experience with Git-based workflows and CI/CD pipelines.
• Strong communication skills and the ability to collaborate across engineering, product, design, data, and editorial teams.
• A product-minded approach to engineering and a genuine interest in building excellent user experiences.

Responsibilities

• Design, develop, test, and maintain cross-platform mobile applications using React Native.
• Own significant mobile features from technical planning through implementation, release, and iteration.
• Collaborate with Product and Design to translate user needs and mobile UX patterns into polished, accessible experiences.
• Partner with Backend and Data teams to integrate APIs, analytics, personalization, and engagement tools.
• Improve mobile performance, debugging, monitoring, and production reliability.
• Contribute to mobile architecture, engineering standards, CI/CD practices, and release processes.
• Troubleshoot production issues and use data, observability, and user feedback to improve the app experience.
• Mentor other engineers and help raise the quality of mobile development across the team.

Skills

React Native

JavaScript

TypeScript

Cross‑platform mobile

RESTful APIs

CI/CD

Git

Performance optimization

Observability

Team collaboration

Tools

Expo

Job description

Motion Recruitment is seeking a Senior Mobile Engineer to build and evolve our mobile experience for readers on iOS and Android, using React Native. You will shape a fast, reliable mobile product in partnership with Product, Design, Data, Backend, and newsroom stakeholders.

You’ll own significant features, optimize performance, and contribute to mobile architecture and release processes while mentoring teammates.