Personal details
Oscar E.
Senior iOS Software Engineer
Based in: 🇨🇷 Costa Rica
Timezone: Central America (UTC-6)
Summary
Highly efficient, passionate, and proactive software engineer seeking to help your company build amazing apps. Exceptional at solving challenging problems and meeting deadlines. With strong interpersonal and communication skills. Committed to excellence.
Technical skills
Top 3 skills
Work Experience
Lead iOS software engineer
Pretzel | Nov 2020 - Present
Git
Firebase
GitLab
Mixpanel
Swift
Fastlane
VIPER
● Built an app to itemize online store orders, show a Pinterest like feed, and enable repurchasing, sharing, and organizing.
● Integrated the app with Firestore, Firebase's Auth and Cloud Messaging, Mixpanel analytics, Fastlane, Gitlab, and AWS.
● Thrived in a fast-paced globally distributed startup.
Technical Lead in Mobile Engineering
Fiserv | Feb 2019 - Nov 2020
Java
Git
Jenkins
Objective-C
Swift
● Expanded and improved a secure high-profile banking app for iOS and Android with a mixed native-hybrid architecture.
● Interviewed, trained, and mentored multiple senior engineers, incorporating them into a globally distributed team.
● Created an automated CI/CD environment using Jenkins.
Education
IMF university
Master's degree・Cybersecurity
Jan 2021 - Jan 2023
University of Costa Rica
Bachelor's degree・Computer science
Jan 2012 - Jan 2016
Personal Projects
Expenses tracker
2022
Core Data
MVVM
Swift
Core ML
Swiftui
● Built an expenses tracking app for my personal use, tailored to my preferences and needs, which stores all expenses in SQLite using Core Data.
● First built with UIKit using an MVP architecture and then migrated to SwiftUI using an MVVM architecture, all in Swift.
● Created a text classifier machine learning model and incorporated it into the app using Core ML to quickly identify the category of each expense.
Certifications & Awards
Scrum Master Certified
SCRUMstudy | Jul 2019