Mobile Application Developer

Description

**Job Opening: Mobile Application Developer (PJ) – 1 position** **Location:** Goiânia/GO – Rodoviário Neighborhood **Work model:** Remote **About the position:** A company is seeking a Mobile Application Developer with solid technical experience to develop, integrate, and maintain cross-platform mobile applications. The professional will be responsible for designing scalable solutions, performing secure API integrations, and ensuring efficient data synchronization between online and offline environments. **Responsibilities:** * Development and maintenance of cross-platform mobile applications; * Integration with REST APIs and external services; * Implementation of data synchronization mechanisms between local database (offline) and external servers (online); * Structuring applications with focus on scalability and performance; * Monitoring, debugging, and performance optimization of applications; * Code versioning and collaboration with the development team; * Implementation of best practices in architecture, security, and usability. **Mandatory requirements:** * Advanced proficiency in **JavaScript and React Native**; * Knowledge of **mobile application architecture** (componentization, lifecycle, and performance optimization); * Experience with **data synchronization between local database (offline) and external servers (online)**; * Experience with **Whithermelow database** and best practices in data modeling; * Experience with **REST API requests**, including secure authentication (JWT, OAuth2\); * Knowledge of **version control (Git, GitHub or GitLab)**; * Familiarity with **continuous integration (CI/CD)** and automated build processes; * Experience with **debugging, profiling, and error monitoring in mobile applications**; * Knowledge of **UI/UX best practices, responsiveness, and usability**; * Experience with **hybrid architectures and consumption of cloud-based services (AWS, Firebase or Azure)**. **Preferred qualifications:** * Minimum of 3 **years of experience as a mobile application developer**; * Strong analytical skills and ability to solve complex problems; * Organization, clear technical communication, and commitment to high-quality deliverables. **Job conditions:** * **Contract type:** PJ * **Work model:** Remote * **Compensation:** Negotiable based on experience level. Job type: Freelance / PJ Payment: R$3\.500,00 \- R$7\.000,00 per month Work location: Remote