Mickey Gudiel Reyes
Web and Mobile Developer
I am a passionate developer with experience in web and mobile technologies, such as Flutter, Java, NestJS, and Clean Architecture. I am always looking to innovate and provide impactful solutions.
Work Experience
SISTEMATICA INTERNACIONAL INC
Frontend Developer
October 2025 — Present- Development and maintenance of mobile applications using React Native.
Canela
Frontend Developer (Freelance)
May 2025 — December 2025- Development of the Canela app from scratch to its initial state, including pet management, product display, and payment gateway integration.
- Implementation of critical features such as push notifications, filtering, ads, and connection to Sentry and Firebase.
- Deployment and testing via TestFlight and Play Store.
Financiera FAMA
Programmer Analyst
November 2022 — November 2025- Development and maintenance of modules for the **Mi FAMA** mobile application, available on Google Play and App Store.
- Implementation of new features using Flutter and Java.
- Integration of services such as Google Maps and Firebase to improve the user experience.
- Collaboration in the implementation of Clean Architecture to ensure scalable and robust solutions.
Flutter Community
Library Developer
March 2022 — Present- Design and development of libraries for the community, published on **pub.dev**.
- Author of the **simple_biometric** library, facilitating biometric authentication in Flutter applications.
- Library compatible with Android and iOS, with a simple and customizable API.
- Management of platform-specific configurations and common error handling in biometric authentication.
Grupo Atenea
Full Stack Developer (Freelancer)
October 2022 — Present- Development of cross-platform applications using Flutter.
- Creation of backends using NestJS and Socket.io.
Apps-Tools
Full Stack Developer (Freelancer)
August 2022 — October 2022- Development of a mobile application for managing collections and daily reports.
- Design and implementation of APIs using NestJS and MySQL.
AG Software SA
Full Stack Developer
March 2022 — September 2022- Design and development of vacation management software.
- Specialization in backend solutions using Java.
- Implementation of robust systems with Apache Cocoon, ensuring scalability and modularity.
- Integration of technologies such as Flutter, NestJS, and PostgreSQL for complete applications.
Featured Projects
Mi FAMA
Financiera FAMA's mobile application that allows clients to check their loans, make payments, find nearby branches, and access various financial services.
Canela App
Ecommerce app that also features comprehensive pet management, health tracking, appointment management, and integration with external services like Firebase and Sentry.
simple_biometric
Flutter library for easy implementation of biometric authentication (fingerprint, Face ID, etc.) on Android and iOS.
marklife-label-printer-web-kit
Library to connect and print images on labels (e.g., barcodes) with Marklife printers from web systems. I adapted an exclusive SDK from WeChat Mini Programs to make it compatible with Node.js and browsers.
PrintMaster BLE
Robust Flutter library for thermal printers with Floyd-Steinberg dithering, smart compression, and multi-platform BLE support.
About Me
Hi! I am Mickey Gudiel Reyes, a passionate developer with over 4 years of experience in mobile application and web system development. I specialize in Flutter, Java, NestJS, and Clean Architecture, focusing on scalable and high-performance solutions. My goal is to continue innovating and creating useful tools for other developers.
