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Hi, I'm Mario Sinai Quilantan Abundis, a Computer Systems Engineer with over 4 years of experience in designing, developing, and deploying mobile and web applications. I specialize in Flutter development, state management, and clean architecture, always striving to create efficient and maintainable code. I enjoy leading projects and collaborating with teams to build feature-rich apps with a great focus on UX/UI and performance optimization. Continuous learning and improving through new technologies and best practices are what keep me motivated in my journey as a developer.…Hi, I'm Mario Sinai Quilantan Abundis, a Computer Systems Engineer with over 4 years of experience in designing, developing, and deploying mobile and web applications. I specialize in Flutter development, state management, and clean architecture, always striving to create efficient and maintainable code. I enjoy leading projects and collaborating with teams to build feature-rich apps with a great focus on UX/UI and performance optimization. Continuous learning and improving through new technologies and best practices are what keep me motivated in my journey as a developer.

Mario Sinai Quilantan Abundis

Developer, Full Stack Developer, Front-End Developer, +2

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Hi, I'm Mario Sinai Quilantan Abundis, a Computer Systems Engineer with over 4 years of experience in designing, developing, and deploying mobile and web applications. I specialize in Flutter development, state management, and clean architecture, always striving to create efficient and maintainable code. I enjoy leading projects and collaborating with teams to build feature-rich apps with a great focus on UX/UI and performance optimization. Continuous learning and improving through new technologies and best practices are what keep me motivated in my journey as a developer.…Hi, I'm Mario Sinai Quilantan Abundis, a Computer Systems Engineer with over 4 years of experience in designing, developing, and deploying mobile and web applications. I specialize in Flutter development, state management, and clean architecture, always striving to create efficient and maintainable code. I enjoy leading projects and collaborating with teams to build feature-rich apps with a great focus on UX/UI and performance optimization. Continuous learning and improving through new technologies and best practices are what keep me motivated in my journey as a developer.

Available to hire

Hi, I’m Mario Sinai Quilantan Abundis, a Computer Systems Engineer with over 4 years of experience in designing, developing, and deploying mobile and web applications. I specialize in Flutter development, state management, and clean architecture, always striving to create efficient and maintainable code.

I enjoy leading projects and collaborating with teams to build feature-rich apps with a great focus on UX/UI and performance optimization. Continuous learning and improving through new technologies and best practices are what keep me motivated in my journey as a developer.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Spanish; Castilian

Fluent

English

Intermediate

Work Experience

Senior Flutter Developer at Seguros y Pensiones Banorte

January 1, 2024 - June 11, 2024

Spearheaded mobile app development with Bloc and Clean Architecture, delivering production-ready applications. Managed application lifecycle including releases on Google Play and App Store. Implemented automated CI/CD workflows using GitLab and Fastlane for continuous deployment. Provided technical leadership in project planning, risk management, and communication using Jira. Executed comprehensive testing strategies with Mocktail to ensure app stability.

Frontend Developer Coordinator at Arca Continental

January 1, 2022 - January 1, 2024

Led the development of feature-rich mobile applications using Flutter, integrating animations and native device APIs such as camera and GPS. Architected applications using Clean Architecture, MVVM, and Riverpod for scalable and maintainable codebases. Established robust CI/CD pipelines via Microsoft Azure for streamlined deployment processes. Collaborated closely with UI/UX teams using Figma and managed backend integrations with Firebase, REST, and GraphQL APIs. Implemented best practices for accessibility, internationalization, and performance optimization.

Front-End Developer at Enhance Fitness

January 1, 2021 - January 1, 2022

Designed, developed, and maintained cross-platform mobile applications using Flutter and Dart. Delivered UIs aligned with Figma/Adobe XD designs following Material and Cupertino guidelines. Implemented modern state management solutions with MobX for scalable and maintainable architecture. Integrated RESTful APIs and Firebase services. Followed Clean Architecture principles with separation of concerns across data, domain, and presentation layers. Collaborated in Agile teams using Jira.

Full-Stack Developer at SUMIMSA

January 1, 2020 - January 1, 2021

Designed and developed custom responsive web applications using Angular 6 with a focus on UX/UI design. Integrated backend services and APIs while managing database operations and authentication. Conducted technical analysis aligning CRM and internal system implementations with business objectives. Ensured system reliability with maintenance and testing. Automated workflows and streamlined deployments through CI/CD pipelines. Collaborated in SCRUM teams and maintained high code quality.

Full-Stack Developer at Vallen

January 1, 2019 - January 1, 2020

Designed and developed custom responsive web applications compatible with multiple browsers and platforms. Implemented frontend features using HTML5, CSS3, and JavaScript focusing on UX/UI best practices. Integrated backend services and APIs, managing database operations and authentication. Ensured system reliability through proactive maintenance, testing, and monitoring. Collaborated in cross-functional SCRUM teams and maintained code quality through version control, documentation, and adherence to best practices.