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Mario Gonsalvez

@mariogonsalvez

Message

Senior Flutter Developer at EPAM Neoris building banking apps with Flutter and integrating REST APIs and WebSockets.

Colombia

Message

At EPAM Neoris, I develop and maintain Flutter and Dart applications for banking solutions, adding features and integrating REST APIs and WebSockets with BLoC and Riverpod.

Previously, I developed cross-platform mobile apps at Periferia IT Group and mobile, web, and backend solutions at EFFICODE. My work has included native Android and iOS integrations, cloud solutions, and unit and integration testing.

Experience

Work history, roles, and key accomplishments

Current

Senior Flutter Developer

Current

EPAM Neoris

Jun 2025 - Present (1 year 4 months)

Develop and maintain Flutter/Dart applications for banking solutions, integrating REST APIs and WebSockets with BLoC and Riverpod. Work with Firebase/GCP, testing, debugging, code review, refactoring, and CI/CD with Git/Azure DevOps, including native Android/iOS integrations with Kotlin and Swift.

Flutter Dart BLoC River Pod REST APIs WebSockets Firebase GCP Testing Debugging Code Review Refactoring CI CD Git Azure DevOps Kotlin Swift

Semi Senior Flutter Mobile Developer

Periferia IT Group

Nov 2024 - Jun 2025 (7 months)

Developed cross-platform mobile applications with Flutter/Dart for Android and iOS, integrating REST APIs, WebSockets, Firebase, and SQLite. Implemented state management with BLoC, Riverpod, and Provider; participated in testing, debugging, refactoring, and version control with Git/Azure DevOps.

Flutter Dart Android iOS REST APIs WebSockets Firebase SQLite BLoC River Pod Provider Testing Debugging Refactoring Git Azure DevOps

Ingeniero Auxiliar - Preventa GCP

Servinformación

Oct 2022 - Jan 2024 (1 year 3 months)

Participated in designing cloud solutions and architectures, primarily on GCP, also working with AWS, Azure, Docker, Kubernetes, and SQL/NoSQL. Supported requirements gathering, troubleshooting, and migration planning for cloud solutions.

GCP AWS Azure Docker Kubernetes SQL NoSQL Cloud Architecture Requirements Gathering Troubleshooting Migration Planning

Desarrollador Full-Stack

EFFICODE

Feb 2018 - Sep 2022 (4 years 7 months)

Developed mobile, web, and backend solutions with Flutter, Python/FastAPI, JavaScript/TypeScript, and Angular; integrated REST APIs, JWT, SQL/NoSQL, AWS, and Firebase. Implemented unit and integration tests with Pytest/Jest and performed debugging, code review, and refactoring to maintain code quality and maintainability.