Open To Work
Giovane P. Barreira
Sorocaba
Work Preference
Summary
iOS development professional prepared to drive impactful projects in fast-paced environment. Proven ability to enhance app functionality and user experience, with keen focus on continuous improvement. Reliable team collaborator known for adaptability and delivering results, leveraging Swift proficiency and problem-solving skills.
Overview
8
8
years of professional experience
Work History
Senior iOS Engineer
Arctouch
06.2022 - Current
- Revamped the design and implemented 15+ new features for a macOS app, enhancing usability by 40% and aligning with modern UI standards.
- Resolved 20+ critical analytics bugs and developed new features across four major iOS apps, serving millions of daily active users.
- Led the planning and development of a 2.0 client app, analyzing the 1.0 version, designing a modern architecture with updated iOS frameworks, and delivering comprehensive technical documentation.
- Built a Bluetooth-based prototype enabling phones to function as digital keys, with detailed documentation and testing readiness for production deployment.
- Led development of high-performance iOS applications, enhancing user experience and engagement.
IOS Engineer
Avanade Brazil
08.2021 - 06.2022
- Designed and deployed user-friendly iOS apps from concept to App Store, adhering to Apple's Human Interface Guidelines to deliver polished and engaging experiences.
- Diagnosed and resolved 30+ high-priority bugs, reducing crash rates by 45% and significantly enhancing app stability and user satisfaction.
- Contributed innovative technical solutions in brainstorming sessions, resulting in 3 new app concepts approved for development.
- Architected foundational structure classes for a modularization project, streamlining implementation for 10+ engineers and improving app scalability by 35%.
- Designed and developed iOS applications, ensuring optimal performance and user experience.
- Collaborated with cross-functional teams to define project requirements and deliver solutions on time.
IOS Engineer
NTT Data Brazil
01.2020 - 08.2021
- Contributed to the planning and implementation of a modularization project, ensuring scalable and maintainable architecture across 5+ app modules.
- Mentored 3 junior developers on Swift programming and iOS best practices, accelerating their onboarding and productivity.
- Collaborated with a cross-functional team of 8+ engineers to improve and sustain existing iOS apps, maintaining 4.5+ App Store ratings.
- Implemented dependency injection and protocol-oriented programming extensively to improve code flexibility and reusability by 40%.
- Delivered 25+ new features and enhancements aligned with user feedback and evolving business requirements.
IOS Engineer
Apple Developer Academy
09.2017 - 12.2019
- Developed 8+ iOS applications using Swift 4+ and Apple's guidelines, ensuring clean, maintainable, and user-friendly designs.
- Collaborated with designers to deliver enhanced user experiences, resulting in seamless app interfaces and positive user feedback.
- Applied agile methodologies including Scrum and Kanban to ensure efficient project management and timely delivery of sprint goals.
- Extensively utilized MVC and MVVM design patterns to create scalable, maintainable, and testable codebase across multiple projects.
- Demonstrated strong problem-solving skills and adaptability to evolving project requirements and technical challenges.
Education
Post graduation - Software Architecture
PUC Campinas
Campinas, Sao Paulo, Brazil06.2025
Diploma - Systems Analysis and Development
Senac University Center
Sao Paulo, Brazil12.2019
Skills
- iOS app development
- Proficient in dependency injection and modular architecture
- RESTful and GraphQL API expertise
- Memory management
- User experience design
- API integration
- Design patterns
Languages
Portuguese (Native)
English (Fluent)
Quote
Success is not final; failure is not fatal: It is the courage to continue that counts.
Winston S. Churchill
Timeline
Senior iOS Engineer
Arctouch
06.2022 - Current
IOS Engineer
Avanade Brazil
08.2021 - 06.2022
IOS Engineer
NTT Data Brazil
01.2020 - 08.2021
IOS Engineer
Apple Developer Academy
09.2017 - 12.2019
Post graduation - Software Architecture
PUC Campinas
Diploma - Systems Analysis and Development
Senac University Center