Looking for a job

Augusto César Do Nascimento Dos Reis

@augusto-reis

Message

Senior iOS engineer focused on modular, testable Swift delivery and rapid developer velocity.

Brazil

Message

What I'm looking for

I’m looking for a senior iOS role where I can lead Swift/SwiftUI delivery with MVVM + CleanArchitecture, strong CI/CD, and meaningful analytics instrumentation—shipping modular, testable features while improving developer velocity and platform reliability.

Senior iOS Engineer with 9+ years of experience developing

high-performance mobile applications for fintech, banking, and digital services. Expert in Swift, SwiftUI, UIKit, Clean Architecture and TCA (The composable architecture). Proven track record delivering scalable and secure apps for global companies such as PayPal (United States), Payfare (Canada), and CI&T (Brazil). Passionate about improving user experience and mentoring development teams. Looking for remote opportunities in international teams, driving innovation and impact.

Experience

Work history, roles, and key accomplishments

Current

Senior iOS Engineer

Current

PayPal

Dec 2025 - Present (6 months)

Developed a customer iOS app for rewards features in Swift using SwiftUI, TCA, and GraphQL. Implemented deep-link handling and analytics instrumentation, and supported CI/CD automation using GitHub.

Swift SwiftUI The Composable Architecture (TCA)GraphQL Bazel Deep Linking Firebase Analytics instrumentation Github CI CD

Senior iOS Engineer

DIGISYSTEM - IT Solutions

May 2025 - Dec 2025 (7 months)

Developed a customer iOS app for digital account maintenance and cash-out flows in Swift using MVVM and Clean Architecture. Built SwiftUI/UIKit screens, automated project structure with Tuist, and instrumented analytics with Firebase, supporting CI/CD with Azure DevOps.

Swift MVVM Clean Architecture SwiftUI UIKit Tuist Firebase Analytics Azure DevOps CI CD

Senior iOS Engineer

Payfare Inc.

May 2024 - Mar 2025 (10 months)

Developed an iOS app for digital account maintenance, OTP/MFA flows, onboarding, and a dashboard in Swift using MVVM and Clean Architecture. Implemented SwiftUI screens, unit testing with XCTest, and CI/CD automation with Jenkins.

Swift MVVM Clean Architecture SwiftUI OTP MFA flows XCTest CI CD Jenkins

Senior iOS Engineer

CI&T

Nov 2022 - May 2024 (1 year 6 months)

Developed a customer iOS app for digital account maintenance, OTP/MFA, proof of life, and cadastral updates in Swift using MVVM and Clean Architecture. Built SwiftUI/UIKit screens, automated project structure with Tuist, and instrumented data collection using Firebase Analytics, supporting CI/CD with Azure DevOps.

Swift MVVM Clean Architecture SwiftUI UIKit Tuist Firebase Analytics Azure DevOps CI CD

Senior Mobile Software Engineer

EBANX

Mar 2021 - Jun 2022 (1 year 3 months)

Developed a cashback iOS app integrating linked merchants, focusing on digital account maintenance and redesigning the registration flow. Implemented a member-get-member feature using Swift with MVVM and Clean Architecture, instrumented events with Firebase Analytics, and led CI/CD using Bitrise while conducting technical interviews.

Swift MVVM Clean Architecture Firebase Analytics CI CD Bitrise Member Get Member feature Technical Interviewing

iOS Developer

Sicoob

Sep 2019 - Mar 2021 (1 year 6 months)

Developed a Swift iOS app using Xcode, migrating from React Native to streamline registration and improve the UI layout. Used CocoaPods, Alamofire, and RxSwift, and implemented an MVP architecture with modular design for scalability and maintainability.

Swift Alamofire RxSwift React Native migration MVP Architecture XCode Modular Architectures

iOS & React Developer

Stefanini Brasil

Sep 2018 - Sep 2019 (1 year)

Developed iOS and React apps for internal company use using React Native and Objective-C with DDD architecture. Built a gamified education app using React Native and Node.js and supported app functionality with CocoaPods, Keychain, and Alamofire.

React Native Objective C DDD architecture Keychain Alamofire iOS development Cocoapods NodeJS iOS Development

iOS Developer

BS Tecnologia e Serviços Ltda.

Sep 2017 - Sep 2018 (1 year)

Developed an internal iOS app using React Native and Objective-C with DDD architecture in Xcode to streamline digital assignments and enable other teams to build apps. Created an internal component library to speed feature development and used CocoaPods with Objective-C and React Native to deliver project goals.

React Native Objective C DDD architecture Component library iOS app development XCode Cocoapods Component Library

Senior iOS Developer

Stefanini

Nov 2016 - Sep 2017 (10 months)

Developed an internal iOS app using React Native and Objective-C with DDD architecture to improve digital assignments and team collaboration. Ensured secure and efficient performance with CocoaPods, Keychain, and Alamofire and implemented in-house iOS distribution for releases to employees.

React Native Objective C DDD architecture CocoaPods Keychain Alamofire In house iOS distribution Cocoapods

iOS Developer JR

Stefanini

Dec 2015 - Nov 2016 (11 months)

Developed a finance guide iOS app for children, implementing tasks and a rewards system for parents and kids. Built the app in Swift using MVC architecture with Storyboards in Xcode and collaborated with parents to create engaging educational content.

Swift Storyboards iOS app development Rewards system Educational content XCode MVC Architecture Educational Content