Mobile Developer (React Native) - Sao Paulo, BR only

We are looking for a React Native developer who is passionate about building high performance, scalable, and visually appealing mobile applications. You will work closely with product managers, designers, and backend engineers to deliver seamless cross-platform experiences for iOS and Android. 

Location: [Hybrid, 2 times per week at the office, Sao Paulo only]

About the Company:

Abstra is a fast-growing, Nearshore Tech Talent services company, providing top Latin American tech talent to U.S. companies and beyond. Founded by U.S.-bred engineers with over 15 years of experience, Abstra specializes in sourcing skilled professionals across a wide range of technologies to meet our clients’ needs, driving innovation and efficiency.

Job Description

Key Responsibilities 

• Design and develop cross-platform mobile applications using React Native. 

• Architect, optimize and maintain codebases for performance, scalability and reliability. 

• Integrate RESTful APIs, GraphQL, Firebase and third-party libraries. 

• Build robust solutions for offline capabilities and local data persistence. 

• Enforce best practices in coding standards, testing, and performance optimization. 

• Implement native modules (Android/iOS) when  to extend React Native functionality. 

• Work closely with UI/UX teams to translate design mockups into clean, responsive and user friendly interfaces. 

• Stay updated with the latest React Native ecosystem, libraries and mobile development trends 

Required Technical Skills 

• 8+ years of professional experience in mobile app development. 

• 3+ years of hands on experience with React Native and JavaScript/TypeScript. 

• Strong understanding of React Native architecture, including hooks, contexts, and state management. 

• Deep knowledge of mobile app performance tuning, memory optimization and debugging. 

• Familiarity with native Android (Kotlin/Java) or iOS (Swift/Objective-C) development is a plus. 

• Experience with Firebase for analytics tracking, crash reporting, and app distribution. 

• Strong understanding of App Store and Play Store deployment processes. 

• Experience with CI/CD pipelines for mobile apps. 

• Good understanding of version control systems, branching strategies, and collaborative development workflows. 

• Solid understanding of security practices, including data encryption and secure storage. 

Qualifications 

• Bachelor's degree in computer science, Engineering or equivalent experience. 

• Strong analytical, problem solving and debugging abilities. 

• Excellent communication skills and ability to work in a collaborative environment. 

• Self motivated and capable of working independently with minimal supervision, as well as within a team. 

What We Offer:

• Opportunities for professional growth and development on a product that directly impacts agricultural efficiency and sustainability. 


• A collaborative and inclusive work environment.


• The chance to work on impactful projects with a talented team.


• Excellent compensation in USD.


• Hardware and software setup.