Brenda Zamora Espinoza
Coacalco, México
Summary
Senior iOS Developer with extensive experience in architecting, developing, and deploying scalable, high-performance mobile applications using Swift . Expert in clean architectures, performance optimization, and modern iOS development workflows. Proven track record of bridging technical execution with business strategy by actively collaborating on product definition, requirement gathering, and stakeholder management. Strong leadership skills with a history of mentoring teams and driving engineering excellence.
Overview
6
6
years of professional experience
1
1
Certification
Work History
Desarrollador iOS Senior
Global Hitss
CDMX
01.2025 - Current
- Engineered and optimized core features for iOS, iPadOS, and tvOS, successfully reducing production crashes and bugs by approximately 30%.
- Designed and built reusable modules , improving codebase maintainability and accelerating overall team development speed by ~20%.
- Validated and refined UX and performance across a wide array of devices, mitigating layout and behavior inconsistencies by ~15%.
- Conducted advanced network traffic analysis using Charles Proxy to diagnose and resolve geo-specific production issues.
- Streamlined debugging workflows , reducing overall issue-resolution turnaround times by ~30%.
Líder iOS
Fraternitas (Grupo Salinas USA)
Texas, USA
01.2024 - 01.2025
- Led a high-performing iOS engineering team , optimizing sprint delivery efficiency by ~35% through agile best practices.
- Spearheaded a major architectural migration from VIPER to MVVM with SwiftUI, significantly enhancing application scalability.
- Redesigned the networking layer utilizing modern Swift async/await syntax, cutting API response and rendering times by ~20%.
- Refactored legacy critical modules , successfully reducing technical debt by ~30%.
- Collaborated closely with product owners to define technical requirements and prioritize the backlog, aligning development cycles with core business goals.
Desarrollador iOS (Semi Senior)
Globant
CDMX
07.2022 - 01.2024
- Troubleshot and resolved critical production incidents , improving app stability and reducing downtime resolution times by ~15%.
- Delivered key feature updates and hotfixes on schedule , ensuring seamless deployment cycles for Sodimac.
- Optimized API consumption and data parsing , significantly enhancing backend-frontend integration and app reliability.
- Refactored core application flows , increasing overall code maintainability by ~20%.
- Promoted engineering best practices by preparing and delivering technical talks on iOS Design Patterns to the development community.
Desarrollador iOS
Banregio
Monterrey
02.2022 - 07.2022
- Developed over 70% of the AlSuper iOS native application from scratch, ensuring a highly stable production launch.
- Refactored approximately 40% of legacy user flows , mitigating technical debt and expanding app scalability.
- Enhanced rendering and runtime performance , reducing initial application load times by ~25%.
- Promoted from Junior to iOS Project Lead for the Office Depot account due to outstanding technical execution and ownership.
Desarrollador iOS
Bambú Mobile
CDMX
02.2020 - 02.2022
- Developed over 70% of the AlSuper iOS native application from scratch, ensuring a highly stable production launch.
- Refactored approximately 40% of legacy user flows , mitigating technical debt and expanding app scalability
- Enhanced rendering and runtime performance , reducing initial application load times by ~25%.
- Promoted from Junior to iOS Project Lead for the Office Depot account due to outstanding technical execution and ownership.
Education
Degree - Accounting And Finance
Centro Universitario Valle De Anáhuac
Edo Mex10.2019
Skills
- Swift (Advanced)
- SwiftUI
- UIKit
- Async/Await
- Combine
- DispatchQueue
- MVVM
- VIPER
- SOLID
- Design Patterns
- Dependency Injection
- Protocol-Oriented Programming
- CoreData
- Realm
- Unit Testing (XCTest)
- Git / Git Flow
- App Store Connect
- SPM/Cocoapods
- Firebase
- Mapkit
- LocalAuthentication
- PhotoKit
- CoreBluetooth
- AVKit
- CoreLocation
- GraphQL
- Core Animation
- AutoLayout
Certification
- Patrones de Diseño en Swift - Udemy (2025-10 - 2025-10)
- Unit Testing en Swift - Udemy (2024-10 - 2024-10)
- Curso de Scrum - Platzi (2020-10 - 2020-10)
- Scrum Foundation Professional Certificate - CertiProf (2020-11 - 2020-11)
Languages
English
Advanced (C1)
Spanish
Bilingual or Proficient (C2)
Timeline
Desarrollador iOS Senior
Global Hitss
01.2025 - Current
Líder iOS
Fraternitas (Grupo Salinas USA)
01.2024 - 01.2025
Desarrollador iOS (Semi Senior)
Globant
07.2022 - 01.2024
Desarrollador iOS
Banregio
02.2022 - 07.2022
Desarrollador iOS
Bambú Mobile
02.2020 - 02.2022
Degree - Accounting And Finance
Centro Universitario Valle De Anáhuac