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Summary

Expertise

Project Highlights

Agency

OM

English:

Upper Intermediate

Osvaldo M.

vetted by Youteam

Vetted by YouTeam

Colombia

UTC -05:00

America/Bogota

English:

Upper Intermediate

Mobile Developer with more than 7 years of experience working on native iOS and Android mobile applications written in Swift and Objective-C.

Knowledge of Android, Java, and Kotlin. Experience with RESTful APIs using Alamofire, JSON mapping, local storage, and persistence. Experience in agile methodologies such as SCRUM, Kanban, Architecture, and Pattern Designs. Unit testing experience using XCTest, Mocking, and XCExpectation. Responsible person, always trying to improve his skills. Flexible leadership and teamwork.

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Check if Osvaldo is available

Expertise

Years of commercial development experience

8 years of experience

Core technologies

iOS 6 years
Objective-C 7 years
AVFoundation 1 year
iOS SDK 6 years
Swift 6 years
Android 8 years

Other technologies

Agile
API
Java
JIRA
Kotlin
Git
JSON
Mobile
Scrum
Unit Testing
Design Patterns
Trello
Pivotal
Kanban
Patterns
SwiftUI

Project Highlights

icon
iOS & Android Mobile Developer

PSL

Nov `19 - Present

5 years

PSL and MOONDROPS ENTERTAINMENT

Working as an iOS and Android developer for a healthcare app and school App.

Responsibilities & achievements

• Worked in Drawp For School iOS app written in Objective-C, with experience with API Requests, Unit Testing, and Core Data. • Was responsible for the releases and AppStore distributions. Technologies: iOS, Swift, Objective C, Android.

Objective-C
Android
iOS
Swift
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iOS Developer

It projects

Apr `18 - Dec `19

2 years

Globant

Collaborate and refactor an old Objective-C structure in the iOS application for a Sports Programming Network.

Responsibilities & achievements

• Removed deprecated classes originally written in Objective-C. • Captured evidence of new features or changes for documentation. • Rewrote classes from Objective-C to Swift, enhancing the app's efficiency and maintainability for a financial company in the USA. Contributed to the Personal and Student Loan module within the Loan team by developing features following design guidelines. • Worked in the Core Team as a troubleshooter, developed core app components as part of the library framework (SoFiUI), and increased unit testing coverage. • Developed features using Swift and iOS10. • Actively participated in daily standup, planning, and grooming meetings, adhering to the SCRUM methodology with 2-week sprints. • Received training on Kraken, Kubernetes, and Unit Testing as an iOS Developer for an entertainment company project aimed at increasing unit test coverage with XCTest, removing legacy code in Objective-C, and refactoring old Objective-C code to Swift. • Gained additional training on Charles and Unit Testing, reinforcing skills in modern development practices and tools. Technologies: iOS, Swift, Objective C, AV foundation, Scrum, Kotlin, Java, Unit testing, Android SDK Ruby On Rails Jira, Trello, Pivotal Tracker, Git.

Java
JIRA
Kotlin
Objective-C
Ruby on Rails
Android
Git
iOS
Scrum
Swift
Unit Testing
Trello
AVFoundation
Pivotal
Pivotaltracker
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iOS and Android Developer

XPRT

Oct `16 - Aug `18

2 years

XPRT and DOCKSTAR LLC

IT apps for different clients.

Responsibilities & achievements

• Worked in Baldor Specialty Foods Android app written in Java. Bug and crash fixes, app distribution, and establishing a connection with Brother Printer SDK. • Worked in DockStar Driver and Warehouse iOS applications, consuming API RestFul requests, JSON parsing, local storage, and persistence. Technologies: iOS, Swift, Android, APIs, JSON, Objective-C.

API
Objective-C
Android
iOS
JSON
Swift
icon
iOS and Android Developer

KOOMBEA

Dec `10 - Apr `18

7 years

KOOMBEA

Served as Rhomobile, iOS and Android developer. Worked on more than 10 projects, between iOS and Android.

Responsibilities & achievements

• Promoted from Junior to Senior developer. • Accomplished with the project goals, keeping communication directly with the client (BMC Software). • Learned Java for Android, Objective-C, and Swift; started working on native apps. • Worked in a delivery app using Localization, PubNub real-time. • Made Firebase, Crashlytics, Parse (deprecated) integration. • Created BLE Connection. • Made local storage with Realm, Core Data, and NSUserDefaults. Technologies: iOS, Java for Android, Objective-C, and Swift.

Java
Objective-C
Android
iOS
Swift

Agency

Development agency #31

400+

GMT-11

Remote

Want to hire this engineer?

Check if Osvaldo is available