Mobile developer specializing in offline-capable applications using React Native for laboratory information systems. Join Ultra LIMS's agile development team in Joinville, Brazil.
Responsibilities
Develop and maintain mobile applications using React Native, focusing on the data-collection app that operates offline
Implement and enhance an offline-first architecture to ensure continuous operation without connectivity
Build intelligent data synchronization mechanisms between device and server
Implement new features and improvements according to the laboratory market needs
Troubleshoot and resolve bugs and technical issues reported by clients
Integrate mobile applications with REST APIs, ensuring efficient and secure communication
Actively participate in the development and maintenance of APIs supporting the mobile applications
Optimize application performance, considering scenarios with limited or intermittent connectivity
Ensure code quality through code reviews, testing, and development best practices
Document technical solutions and keep documentation up to date
Participate in agile ceremonies and contribute to continuous process improvements
Requirements
React Native: Strong experience developing mobile applications (minimum 2 years)
JavaScript/TypeScript: Proficiency in core concepts and ES6+
REST APIs: Experience consuming and developing APIs
Git/GitHub: Version control and collaborative workflows
Application state: Redux, Context API, Zustand or similar
Local storage: AsyncStorage, SQLite or Realm for offline operation
API integration: Axios, Fetch API and error handling
Responsiveness: Building interfaces adaptable to different devices
Debugging: Debug and performance analysis tools (React Native Debugger, Flipper)
Benefits
Hybrid and flexible work routine
Meal/Food allowance on the Caju card with no payroll deduction
100% paid dental plan for you
Pharmacy partner program with no payroll deduction
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