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Hi, I’m Gustavo Guedes, an IT professional specializing in mobile development. With over 7 years of experience, I create innovative and efficient applications, leveraging the best market practices and well-established technological concepts. My experience spans financial, banking and e-commerce sectors, where I have built projects from scratch, refactored legacy systems and participated in architectural decisions from design through deployment. I am a Mobile Developer, using tools such as Flutter, Swift, SwiftUI, UIKit, Firebase, GraphQL, SignalR, SSE and Sentry to develop and maintain robust and scalable applications. I prioritize quality through unit, integration and interface tests. My day-to-day includes leading complex projects, coding design systems and integrating advanced features into applications. In my current role, I collaborate in a collaborative team environment, share knowledge and actively participate in technical decisions.…Hi, I’m Gustavo Guedes, an IT professional specializing in mobile development. With over 7 years of experience, I create innovative and efficient applications, leveraging the best market practices and well-established technological concepts. My experience spans financial, banking and e-commerce sectors, where I have built projects from scratch, refactored legacy systems and participated in architectural decisions from design through deployment. I am a Mobile Developer, using tools such as Flutter, Swift, SwiftUI, UIKit, Firebase, GraphQL, SignalR, SSE and Sentry to develop and maintain robust and scalable applications. I prioritize quality through unit, integration and interface tests. My day-to-day includes leading complex projects, coding design systems and integrating advanced features into applications. In my current role, I collaborate in a collaborative team environment, share knowledge and actively participate in technical decisions.

Gustavo Guedes

App Developer, Developer, Programmer, +4

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Hi, I’m Gustavo Guedes, an IT professional specializing in mobile development. With over 7 years of experience, I create innovative and efficient applications, leveraging the best market practices and well-established technological concepts. My experience spans financial, banking and e-commerce sectors, where I have built projects from scratch, refactored legacy systems and participated in architectural decisions from design through deployment. I am a Mobile Developer, using tools such as Flutter, Swift, SwiftUI, UIKit, Firebase, GraphQL, SignalR, SSE and Sentry to develop and maintain robust and scalable applications. I prioritize quality through unit, integration and interface tests. My day-to-day includes leading complex projects, coding design systems and integrating advanced features into applications. In my current role, I collaborate in a collaborative team environment, share knowledge and actively participate in technical decisions.…Hi, I’m Gustavo Guedes, an IT professional specializing in mobile development. With over 7 years of experience, I create innovative and efficient applications, leveraging the best market practices and well-established technological concepts. My experience spans financial, banking and e-commerce sectors, where I have built projects from scratch, refactored legacy systems and participated in architectural decisions from design through deployment. I am a Mobile Developer, using tools such as Flutter, Swift, SwiftUI, UIKit, Firebase, GraphQL, SignalR, SSE and Sentry to develop and maintain robust and scalable applications. I prioritize quality through unit, integration and interface tests. My day-to-day includes leading complex projects, coding design systems and integrating advanced features into applications. In my current role, I collaborate in a collaborative team environment, share knowledge and actively participate in technical decisions.

Available to hire

Hi, I’m Gustavo Guedes, an IT professional specializing in mobile development. With over 7 years of experience, I create innovative and efficient applications, leveraging the best market practices and well-established technological concepts. My experience spans financial, banking and e-commerce sectors, where I have built projects from scratch, refactored legacy systems and participated in architectural decisions from design through deployment.
I am a Mobile Developer, using tools such as Flutter, Swift, SwiftUI, UIKit, Firebase, GraphQL, SignalR, SSE and Sentry to develop and maintain robust and scalable applications. I prioritize quality through unit, integration and interface tests. My day-to-day includes leading complex projects, coding design systems and integrating advanced features into applications. In my current role, I collaborate in a collaborative team environment, share knowledge and actively participate in technical decisions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Portuguese

Fluent

Work Experience

Senior Software Engineer at PrimeIT

October 1, 2025 - Present

Responsible for leading complex IT projects in the financial, banking and engineering sectors, participating in architectural decisions and driving deployment. Current role includes developing an application for German security professionals and delivering robust software in collaboration with cross-functional teams.

Flutter Developer at iFood

November 1, 2023 - August 1, 2025

Led mobile development for a major Brazilian food ordering and delivery company. Built apps for Android and iOS using Flutter, integrated with GraphQL backends, and implemented live features with real-time communication. Used Firebase for notifications, analytics, and remote config; managed versioning with FireBase tools and other dev-ops practices.

Senior Flutter Developer at XP Inc.

November 1, 2023 - July 15, 2025

Developed a new modern Flutter application targeting traders, delivering under a tight deadline which saved the company over $2 million in monthly revenue. Integrated real-time backend services using SSE and SignalR, and utilized Firebase for management and reporting. Designed and maintained architecture from project inception, making key technical decisions for reusable components and business logic. Employed unit tests to maintain product quality and stability. Mentored junior developers through one-on-one sessions to support their growth.

Senior Flutter Developer at iFood

November 1, 2023 - Present

Led development of a Flutter-based mobile application for restaurants to purchase menu supplies, serving over 30,000 recurring clients. Utilized GraphQL for backend communication and integrated Firebase, Faster, and Sentry for version management, analytics, and crash reporting. Participated in full software development lifecycle including design, implementation, testing, and maintenance. Collaborated with cross-functional teams and engaged in technical discussions, code reviews, and bug fixes. Implemented secure coding practices and ensured compliance with security standards. Suggested and executed improvements to code quality and development processes.

Flutter Developer at XP Inc.

December 1, 2022 - November 1, 2023

Worked on a high-profile brokerage project focused on traders. Delivered a completely new app architecture under tight deadlines, enabling a modern, scalable mobile experience and front-to-back integration with backend services (including real-time features).

Flutter Developer at InfoMoney

December 1, 2022 - July 15, 2025

Built a social media platform for the financial market using Flutter, integrating GraphQL backend, live-streaming with Agora, and Firebase services for messaging, crash reporting, remote configuration, notifications, analytics, authentication, and A/B testing. Architected new navigation mechanism to support micro-frontend architecture aligned with backend microservices. Utilized GCP for application logs and Azure for CI/CD workflows.

Flutter Developer at InfoMoney

June 1, 2021 - December 1, 2022

Contributed to the largest financial media ecosystem in Brazil, delivering mobile apps for investors with live content, notifications and analytics. Implemented a feature flag/toggle approach to support future delivery pipelines and phased access to features.

Flutter Developer at Fliper

June 1, 2021 - July 15, 2025

Contributed from project inception to build an investment aggregator app using Flutter for Android and iOS. Integrated backend with GraphQL and incorporated Agora for live streaming. Used Firebase for real-time messaging, crashlytics, remote config, notifications, analytics, authentication, and A/B testing. Managed CI/CD workflows via CodeMagic and GCP. Developed unit and interface tests and created feature flag functionality to support phased feature rollout and control.

Flutter Developer at Er er

October 1, 2018 - June 1, 2020

Worked on a tailored product for investors to view portfolios across institutions in a single dashboard, facilitating decision-making based on investor profiles. Built iOS/Android apps with GraphQL backends and real-time communications using Agora for live streaming; implemented real-time messaging, crash reporting, and remote config.