Job Summary: Develop and maintain mobile applications in Flutter, integrating them with embedded devices via Bluetooth Low Energy (BLE) and APIs, and participating in the complete development lifecycle. Key Highlights: 1. Mobile application development in Flutter 2. Integration with embedded devices via Bluetooth Low Energy (BLE) 3. Participation in the development lifecycle, testing, and versioning ***Responsibilities:*** Develop and maintain mobile applications in Flutter; Integrate the application with embedded devices via Bluetooth Low Energy (BLE); Implement communication with APIs and backend services; Fix bugs and continuously improve the application; Participate in the software development lifecycle, testing, and versioning. ***Essential Requirements:*** Completed or ongoing degree in Systems Analysis and Development, Information Systems, Computer Science, Computer Engineering, or Software Engineering; Knowledge of object-oriented programming; Knowledge of Android or cross-platform mobile application development (Flutter or similar); Fundamental understanding of mobile application development, including: consumption of REST APIs; JSON handling; mobile application lifecycle; Basic knowledge of embedded databases (SQLite or similar); Basic knowledge of software version control (Git or similar); Intermediate English proficiency for reading technical documentation. ***Desirable Requirements:*** Experience or projects using Flutter. Experience with Bluetooth Low Energy (BLE) communication. Knowledge of communication with embedded devices or microcontrollers. Experience with Android Studio or VS Code. Knowledge of Firebase. Experience with hardware integration via USB OTG or BLE. Knowledge of mobile testing tools (Espresso, XCTest or similar). Compensation: R$4\.266,00 per month Benefits: * Medical assistance * Dental assistance * Life insurance * Meal allowance * Transportation allowance Work location: Hybrid remote work based in Londrina, PR