Senior Mobile App Developer (React Native)

  • August 08, 2025
  • Programming & Tech
  • Full time
  • Remote (Brazil)
  • Senior level
  • 4000 to 5600 USD
Mobile App Development
React Native
React.js
English intermediate

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About Us: We are looking for a highly skilled Senior Mobile App Developer who can independently develop custom mobile applications using React Native, based on provided Figma designs. You will be working on a full-stack mobile app, where data is imported from an ASP.Net desktop application using Microsoft Azure and MongoDB. Role Overview: As a Senior Mobile App Developer, you will be responsible for building high-quality, custom mobile applications from the ground up using React Native. You’ll collaborate closely with our design and backend teams, bringing UI/UX to life with precision. This role requires a self-driven developer with strong attention to detail, 8+ years of experience, and a proven track record of delivering pixel-perfect, functional mobile apps independently. Key Responsibilities: Develop fully functional and high-performance React Native mobile applications based on Figma designs. Build custom features and functionalities that enhance the user experience and meet complex business needs. Integrate data from an ASP.Net backend system using Azure and MongoDB. Ensure pixel-perfect implementation, responsiveness, and performance across different devices. Independently manage the entire development lifecycle, including coding, testing, and deployment. Collaborate with the design team and backend developers to ensure seamless integration of front-end and back-end functionalities. Troubleshoot, debug, and optimize mobile applications to improve performance and reliability. Follow best practices in mobile development, code quality, and version control using Git. Stay current with the latest trends, libraries, and best practices in mobile app development. Required Qualifications: 8+ years of experience in software development, with a strong focus on React Native mobile applications. Proven ability to build and launch apps independently, with a portfolio showcasing solo projects. Proficiency in JavaScript/TypeScript and modern mobile development tools. Experience integrating APIs and working with ASP.Net, Azure, and MongoDB. Deep understanding of mobile app architecture, design patterns, and performance optimization. Strong ability to translate Figma designs into responsive and accurate UI components. Experience working in agile environments and using tools like Git and CI/CD pipelines. Excellent problem-solving, time management, and communication skills. Highly self-motivated, detail-oriented, and efficient under tight deadlines. Preferred Skills: Experience with native mobile development (iOS/Android) is a plus. Familiarity with the App Store and Google Play deployment processes. Exposure to automated testing and CI/CD for mobile apps. Previous experience working with cross-functional remote teams. Knowledge in consumer products, healthcare, or health & wellness would be a bonus

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