Cesar Paiva
Senior iOS Engineer
São Paulo, State of São Paulo, Brazil
0
Followers0
Following👋 Hi there! I'm a Senior iOS Engineer with 6+ years of experience building innovative and high-performing apps. I specialize in creating seamless user experiences and leading the development of scalable frameworks. 🗝 Key Achievements: Decreased errors by 77% through improvements in the app's experience, bug fixes, modernization, and observability. Reduced defects by 25% and improved user satisfaction by 15% through code review, automated tests, and customer feedback. Increased team knowledge of iOS best practices by mentoring +10 junior developers. 🧠 Soft Skills 🧠 My colleagues describe me as an exceptional professional and passionate engineer. I'm known for solving complex problems, delivering results, and communicating technical concepts effectively. I'm a fast learner, detail-oriented, and focused on impactful outcomes. 💻 Hard Skills 💻 Proficient in: Swift, Objective-C, iOS Frameworks, UIKit, Dependency Managers, Core Data, Core Animation, Alamofire, Accessibility, Third-Party APIs, RESTful Services, SOLID, Clean Code, Clean Architecture, MVVM, MVVM-C, VIPER, Memory Management, Threading, Unit-Testing, Snapshot Testing, SwiftLint, Firebase, Design Patterns, Google Analytics, Git, CI/CD, Github, Agile Methodologies. Intermediate in: Instruments, Cloud Platforms (AWS, Azure). Beginner in: SwiftUI, Swift Testing Framework, Combine, Swift Package Manager. 🌟 Let’s Connect! 🌟 If you're looking for a highly experienced Senior iOS Engineer who can deliver high-quality, scalable solutions and drive team success, feel free to reach out. Let's discuss how I can bring value to your team through innovation, expertise, and a passion for iOS development.
Careers
Senior iOS Engineer
Itaú
Full time04/2021 -
- Have reduced by 25% the defect rate and improved by 15% the user satisfaction through rigorous code review and automated tests based on customer feedback and metrics.
- Have reduced by 30% the development time, through efficient management and workflow, developing and deploying 6 cutting-edge iOS frameworks to provide digital channels and digital customer service, integrating these frameworks into the main banking app.
- Developed an app for managers and directors from scratch to production in 11 months.
- Have increased by 20% team knowledge of iOS development best practices through mentoring and supporting +10 junior iOS developers.
- Have reduced by 30% the onboarding time for new team members through effective knowledge sharing.
- Have increased to at least 75% the test coverage of frameworks through writing unit tests using Swift and XCTest.
- Removed over 300 Objective-C code files reducing the size of the app in the App Store.
- Have performed code review on +100 Github pull requests, always ensuring that the quality code and the architecture are following the best development practices and company guidelines.
- Decreased from 28% to 1% the errors that 1M+ of customers
- received when trying to access the chat, achieved through improving the experience, fixing bugs, modernizing services and implementing observability improvements in the application.
iOS Engineer
Itaú
Full time05/2020 - 03/2021
- Increased by 15% the user adoption through implementation of an interactive map with the location of bank branches using UIKit and MapKit, to provide a valuable tool for customers to find nearby branches.
- Increased by 30% the user adoption and reduced by 20% the call center calling through
- addition of essential features like FAQs, search, and chat, using Socket.IO, iOS Frameworks, and UIKit.
- Increased by 80% the test coverage and reduced by 20% the defect rate through early detection of issues with automated testing implementing unit and user interface tests using Quick, Nimble and FBSnapshotTestCase
iOS Developer
NTT DATA Europe & Latam
Full time03/2019 - 05/2020
- Increased by 20% mobile recharge and money transfer between banking accounts integrating voice capabilities using Apple iOS frameworks such as SpeechToText.
- Increased by 5% Swift code base through the migration of 100% of two legacy Objective-C frameworks to Swift with at least 75% unit test coverage using XCTest,
- with SwiftLint configured to ensure framework quality and a seamless user experience, from architecture definition to project definitions.
- Maintained 2 iOS apps written in Swift/Objective-C of the consultancy client (Itaú), through fixing bugs and addition of features.
Junior Mobile Developer
TOTVS
Full time08/2017 - 03/2019
- Submitted successfully 1 app for the Play Store and App Store.
- Developed 5 features such as medical history, medical services reimbursement, medical service provider search, virtual health cards, and bank slips from scratch to production using Ionic framework, Typescript, and Angular.
- Increased by 20% the system interoperability, through development APIs for integration purposes.
- Developed Android and iOS applications with Protheus API integration, expanding the reach of the system to a wider user base.
Education
University of Taubaté
Computer Engineering
02/2011 - 11/2016Bachelor's DegreeClass of 2016
Skills
SwiftSwiftUIiOS developmentUnit-testingUIKitCommunicationGithubMobile integrationMobile development life cycle
Experience8+ years
Hourly rate$20/hr
Open to
remote
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