SUMMARY:

• Senior iOS developer with over 6 years of experience on the mobile field and over 7 on the software development industry.
• Very experienced both on Objective C and the multiple versions of Swift.
• Created projects using multiple software architectures such as MVC, MVVM and VIPER.
• Fluent on Spanish and English.
• Worked extensively with iOS design patterns like Delegation, Publisher Subscriber, Observer, Creational, Decorator, Adapter and Facade.
• Worked with ticketing systems like Jira, Trello and Pivotal Tracker.
• Made use of XCTest and worked extensively on Test - Driven Development projects.
• Have consumed multiple API JSON or XML services. Created networking classes that make use of NSURLConnection, NSURLSession, URLSession and popular third party ones.
• Worked extensively on concurrency with GCD and NSOperation to interact with the UI and background threads.
• Knowledgeable on iOS memory management (ARC & MRR)
• Experienced with Storyboards, Segues, XIB and programmatic views.
• Worked with Core Location, Map Kit and Google Maps.
• Responsible for implementing Push Notifications.
• Used Git and Subversion on multiple projects.
• Worked with package managers like Cocoapods and Carthage.
• Persisted Data for long term use with Core Data, User Defaults, SQLite, NSCache and using the local file system.
• Used Keychain, Touch ID, Token Based solutions and available third party libraries.
• Worked with media files and streams using AVFoundation and HLS.
• Understanding on Android Development and experience with Unity.
• Worked on side projects that made use of Core Location to handle iBeacon technology as well as client server communication.

TECHNICAL SKILLS:

• Unit Testing
• SCRUM
• Carthage
• Objective C
• Swift
• Cocoapods
• Design Patterns
• Architecture
• Pair Programming
• Data Structures
• Algorithms
• Multithreading
• Data Storage
• Networking
• Authentication
• Core Bluetooth
• HLS
• AVFoundation
• Core Location
• Unity
• C#
• Java
• Blender
• MySQL

PROFESSIONAL EXPERIENCE:

Sr. iOS Developer

Confidential, San Francisco, CA

Responsibilities:

• Worked closely with the designer team to constantly update the views and provide a fresh look.
• Created a custom networking manager class to handle network calls and provide a better level of abstraction and modularity.
• Profiled the app for memory leaks using Xcode instruments.
• Cached images locally to reduce the data consumption footprint with NSCache.
• Created multiple unit tests, ensuring a high-level coverage and using XCTest.
• Developed in an agile software development approach by using SCRUM with 2 week sprints.
• Made correct use of multithreading with GCD to ensure a proper UI experience while at the same time allowing for background threads to handle content downloading.
• Made use of GIT as the main version control solution.
• Created custom animations to enhance the user experience with Core Animation.

iOS Technologies Involved: Swift, NSCache, SCRUM, Instruments, UITableView, UICollectionView, NIB, URLSession, Core Animation, GIT.

Confidential, San Francisco, CA

Sr. iOS Developer

Responsibilities:

• Worked under SCRUM agile project management framework with 2 week sprints.
• Implementation of customized charts using core graphics to represent the steps, kcal and distance.
• App’s connection with many Confidential trackers done through Bluetooth, using Core Bluetooth.
• Implemented Table Views and Collection Views to display Confidential ’s information.
• Created custom TableView cells to display information and allow for a tailored interaction with the user using nib files.
• Implemented Apple Push Notification Service to inform the user when new routines are published or new milestones are set.
• Made use of Core Location and Mapkit to track the user marathon paths and display the duration and time performance.
• Made use of UITabBarController to allow for an enhanced user navigation in the app.
• Made use of Core Data to store user’s marathons and favorite running paths on their city as well as the progress on their fitness challenges.
• Consumed Confidential ’s API with URLSession and parsed content with JSONSerialization.
• Used Carthage as the package manager for third party libraries.
• Version Control handled with GIT, through several branches and continuous code reviews from team members.

iOS Technologies Involved: Swift, Push Notifications, TableViewController, Core Location, MapKit, URLSession, JSONSerialization, Carthage, SCRUM, Core Data, Core Bluetooth, NIB.

Confidential, Philadelphia, PA

iOS Developer

Responsibilities:

• Used Core Location along MapKit and custom MKAnnotations to display the nearby XFINITY Wi-Fi network locations to the user.
• Implemented a custom view displaying the navigation route preview to a selected location along its general details.
• Implemented Core Data handling code to store and the user favorite Wi-Fi locations.
• Implemented Wi-Fi location sharing functionality using a UIActivityViewController and a UIPopoverPresentationController for iPad.
• Integrated Google Analytics to track application usage.
• Implemented a custom search bar to search for locations based on a Zip code or a city name.
• Collaborated on the Connection Profiles setup for the hotspot auto connect feature.
• Mentored Junior iOS developers on Design Patterns, best practices, unit testing, and advanced topics on the iOS framework.
• Developed a table displaying the nearby locations along their basic details with a custom UITableViewCell.
• Generated a mock data information generation class to facilitate the Unit Tests.
• Used Git for source control and peer reviewed Jr. developers pull requests before merging.

iOS Technologies Involved: Objective C, UIActivityViewController, Core Location, UITableViewCell, SCRUM, AGILE, GIT, XCTest, TDD, Xcode Instruments.

Confidential, Hudson, OH

iOS Developer

Responsibilities:

• Created a networking controller class to handle all API requests to maintain a high modularity and a low level of coupling among classes.
• Worked on a SCRUM environment with pair programming.
• Used Jira as the main ticketing system.
• Worked with custom Table View Cells using XIB files.
• Used a Tab Bar and a Navigation Controller to handle the navigation within the app.
• Used Storyboards and XIB files to implement the UI.
• Worked with transition animations between view controllers.
• Used UISearchController to handle the search of pharmaceutical information.
• Made Unit Tests for the project using XCTest with multiple assertions.
• Made use of SQLite to persist favorited pharmaceutical information.

iOS Technologies Involved: Objective C, NSURLConnection, NSJSONSerialization, UITableView, UITableViewCell, UITabBarController, UINavigationController, UISearchController, SQLite.

Confidential

Android Developer

Responsibilities:

• Developed an internal android application to manage day to day activities between students, professors and applicants.
• Created a RESTful web service that provided an API to be consumed by the application.
• Handled the Database Information with MySQL.
• Developed with Java and Eclipse.

Confidential

Unity Developer

Responsibilities:

• Developed under the Unity Game Engine.
• Used an MVC architecture.
• Used Blender to model and create the animations of all the characters.
• Used C# to create the scripting modules in Unity.
• Followed animation principles.
• Gathered visual resources to be displayed.