Hello! I’m a Senior Flutter Developer with a passion for building scalable mobile experiences. I design, implement, and maintain checkout, trade, and Watson platform components in Flutter, focusing on clean architectures and solid testing to ensure reliability across features. Over the years I’ve collaborated with teams in Brazil and for international clients, using Bloc for state management, Stripe for payments, and a broad set of tests to keep code quality high. I enjoy working across disciplines to deliver robust features and polished apps while continually learning and applying the latest best practices.

Kleyton Santana Nascimento

Hello! I’m a Senior Flutter Developer with a passion for building scalable mobile experiences. I design, implement, and maintain checkout, trade, and Watson platform components in Flutter, focusing on clean architectures and solid testing to ensure reliability across features. Over the years I’ve collaborated with teams in Brazil and for international clients, using Bloc for state management, Stripe for payments, and a broad set of tests to keep code quality high. I enjoy working across disciplines to deliver robust features and polished apps while continually learning and applying the latest best practices.

Available to hire

Hello! I’m a Senior Flutter Developer with a passion for building scalable mobile experiences. I design, implement, and maintain checkout, trade, and Watson platform components in Flutter, focusing on clean architectures and solid testing to ensure reliability across features.

Over the years I’ve collaborated with teams in Brazil and for international clients, using Bloc for state management, Stripe for payments, and a broad set of tests to keep code quality high. I enjoy working across disciplines to deliver robust features and polished apps while continually learning and applying the latest best practices.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

Portuguese
Fluent
English
Advanced

Work Experience

Senior Flutter Engineer at Hypervolt Limited
October 1, 2021 - Present
Build and maintain the checkout, trade and Watson platform in Flutter web, as well as libraries and repositories for reuse in multiple projects. Use Bloc for state management, Stripe for payments, and a broad coverage of unit and integration tests.
Flutter Developer at Hospital Israelita Albert Einstein
September 30, 2021 - October 17, 2025
Development of apps, maintenance of the architecture and widget catalog. Feature development, bug fixes, code reviews and app deployment. Used Bloc for state management with a clean and micro-architecture.
Flutter Developer at Simplificação, Agência de Serviços, Negócios e Soluções S.A
November 30, 2020 - October 17, 2025
Feature development, bug fixes and code reviews. Used Bloc for state management and an MVC architecture with a module for each feature.
Senior Flutter Developer at Hypervolt Limited
October 1, 2021 - Present
Build and maintain checkout, trade, and Watson platform features in Flutter. Implemented Bloc-based state management, integrated Stripe payments, and developed a robust suite of unit and integration tests. Collaborated on a clean, micro-architecture approach to ensure modular, scalable code and smooth deployment.
Flutter Developer at Hospital Israelita Albert Einstein
November 1, 2020 - September 30, 2021
Developed and maintained mobile applications, contributed to architecture and widget catalog, feature development, bug fixes, code reviews, and app deployment. Used Bloc for state management and adopted a clean, modular MVC-like architecture with a module per feature.
Flutter Developer at Negócios E Soluções S.A.
June 1, 2019 - November 30, 2020
Feature development, bug fixes, and code reviews. Employed Bloc for state management and an MVC-based architecture with a module for each feature.

Education

System Analysis and Development at Estácio
January 11, 2030 - October 17, 2025
Computer Engineering Courses at Universidade Federal de Sergipe (UFS)
January 11, 2030 - October 17, 2025
Next.js App Router Fundamentals at Vercel
June 1, 2025 - October 17, 2025
React Foundations for Next.js at Vercel
May 1, 2025 - October 17, 2025
Flutter & Dart to Build iOS & Android Apps at Udemy
September 1, 2019 - October 1, 2019
Hackatruk - Logic and Object Oriented Programming with Swift and iOS development at Hackatruk
October 1, 2016 - November 1, 2016
Young Talents for Science - Development of a library using C and OpenCL to parallel processing of medical images at Universidade Federal de Sergipe (UFS)
August 1, 2013 - August 1, 2014
System Analysis and Development at Estácio
January 11, 2030 - December 9, 2025
Computer Engineering Courses at Universidade Federal de Sergipe (UFS)
January 11, 2030 - December 9, 2025

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Media & Entertainment, Healthcare, Education, Professional Services