SUMMARY:

• More than 7 years working as an iOS developer with more than 4 years as a senior iOS engineer.
• Experienced with Objective C and the different versions of Swift (Swift 2, 3 and 4)
• Have used architectures like MVC and MVVM and patterns like KVO, KVC, Delegation and Protocols, Notifications, Categories and Extensions and Publisher Subscriber.
• Created and used libraries to consume web services on either JSON or XML format.
• Worked on multithreading challenges using both GCD and NSOperationQueue.
• Experience using Cocoapods, Carthage and creating custom frameworks to modularize code and to obfuscate functionality if so desired.
• Persisted information with Core Data, User Defaults and SQLite.
• Worked with Authentication using Key Chain, Oauth and Token based systems.
• Debugged using Breakpoints, the LLDB and the caveman approach.
• Worked with ARC references and MRR calls.
• Experience with Storyboards, custom UIView classes and nib files.
• Worked with Google Maps, Gathered the User Location with Core Location and Used Map Kit.
• Worked with continuous integration with Jenkins.
• Implemented Apple Push Notification Services.
• Monitored the release of apps on the App Store.
• Managed version control with GitHub and BitBucket.
• Worked with a SCRUM framework that was customized according to project needs and team size.
• Developed classes using AVFoundation and HLS.
• Worked on prototype features using Core Bluetooth and iBeacons.
• Worked with a test - driven development philosophy using mocks, stubs and fakes.
• Coached junior developers into iOS programming and made code reviews for pull requests in several key features.

TECHNICAL SKILLS:

Unit Testing: Scrum

Cocoapods: Core Bluetooth

Core Location: Networking

Java: Swift

Core Data: Objective C

PROFESSIONAL EXPERIENCE:

Sr. iOS Developer

Confidential, Wilmington, DE

Role Responsibilities:

• Led team consisting of myself and 4 other iOS developers to deliver new features and bug fixes.
• Mentored Jr. developers through code reviews and one-on-ones.
• Used Story Boards and XIBs to design basic UI on a page-by-page basis or even so far as individual elements to be re-used.
• Enhanced Interface-Builder designs programmatically by modifying constraints, frames, colors, and font sizes.
• Used TableViews and custom TableViewCells to deliver a consistent feel across the application.
• Created router and service classes to enhance Alamofire and make easier network requests.
• Used Delegation to manage multiple threads.
• Used SlideMenuController to manage a slide-out menu for user navigation.
• Used SourceTree, Terminal, and File Merge to manage commits between local and remote GIT repository.
• Manually managed navigation controllers to provide a fluid experience forward and backwards throughout the app.
• Led Sprint Planning and Grooming to provide a path to implementing future stories.
• Used Bamboo to keep track of builds and run automated tests
• Tracked tasks and stories with JIRA.
• Guided effort to migrate from Native pages to WebViews to improve consistency across platforms.
• Managed interception of WebView requests to load native pages.
• Used break points to debug various methods and processes both in development and in bug fixes.
• Used XCTest to write Unit Tests for old and new classes.
• Used Test-Driven Development to design functions.
• Created mock classes to imitate dependencies and isolate classes to be tested or prevent unnecessary side behavior such as opening Web Browser when running unit tests.
• Used XCUITest to test native pages.
• Used Accessibility Inspector and Input Recorder to assist in creating queries for XCUITest.
• Used Event Kit and MXLCalendarManager to parse ICS files and create events within user’s calendar for appointments.
• Used Core Location to retrieve location for AQI and appointment purposes, and passed it to WebView.
• Wrote javascript to interact with UIWebView to enable mobile-specific options such as biometrics.
• Used Safari and simulator to debug web views.
• Led team in Agile development process via Scrum implementation.
• Led standups, plannings, groomings, and retros.

Keywords: Swift, iOS Core Location, Event Kit, CocoaPods, UIWebViews, WKWebViews, XCTest, XCUITest, Alamofire, SlideMenuController, Touch/Face ID, StoryBoard, Xib, InterfaceBuilder, SourceTree, Scrum, Agile, Jira, Debugging, TDD, Mocking, Javascript

Sr. iOS Developer

Confidential, San Francisco, CA

Role Responsibilities:

• Developed entirely on Swift and migrated through the different versions of the language.
• Used Auto layout, constraints and stack views.
• Made use of Core Animation to enhance the user experience.
• Created custom table view cells with xib files and through a programmatic approach.
• Worked on a SCRUM approach with daily standup, demo and retrospective meetings.
• Worked with an MVVM architecture using RxSwift to bind the view controller with the view itself.
• Worked with a TDD approach and used XCTest.
• Created a custom Networking class using URLSession, all network communications were secured with SSL.
• Custom frameworks were managed with Cocoapods.
• Made use of a custom internal chart library to represent data in a visually appealing way.
• Handled memory management properly to avoid retain cycles and memory leaks as well as dangling pointers (zombies).

Keywords: Swift, URLSession, UITableView, UICollectionView, UICollectionView, UITableViewCell, UIScrollView, RESTful, UISegmentedController, UITabBarController, SCRUM, JIRA, TDD, Push Notifications.

Sr. iOS Developer

Confidential, San Francisco, CA

Role Responsibilities:

• Worked on the migration from Objective C to Swift.
• Used Swift extensions to enhance the functionality of native and custom structures and classes.
• Developed with a light MVVM approach to facilitate testing and reduce the bloating on the code base.
• Made use Alamofire with Cocoapods to handle HTTP Requests to the API.
• Used Jenkins for continuous integration alongside HockeyApp.
• Used Bridging Headers to integrate Objective C classes into the Swift codebase.
• Used a Test-Driven Development style while developing features.
• Worked with Google Maps API to show the destination routes.
• Used push notifications to display user achievements and milestones.
• Made use of auto layout, constraints and stack views.
• Made custom subclasses of UI elements to enhance their feel and look (UIButton).

Keywords: Swift, Objective C, Alamofire, UITableView, UICollectionView, UICollectionView, UITableViewCell, UIScrollView, RESTful, UITabBarController, SCRUM, JIRA, TDD, Push Notifications, Google Maps.

iOS Developer

Confidential

Role Responsibilities:

• Developed with Objective C as the main programming language with the use of Categories to extend the functionality of native classes.
• Developed with an MVC approach using storyboards, XIB files and programmatic views.
• Made use of local model classes to represent data.
• Made use of NSURLSession to create a custom networking framework to consume the API endpoint.
• Worked with Jira to manage ticket creation and backlog.
• Important features of the application were unit tested to ensure quality of service.
• Used a Façade design pattern to enclose multiple classes in more cohesive pieces of functionality.
• Implemented custom table view cells with xib files using constraints and stack views.
• Created a custom collection view with custom cells to represent banking operations.
• Worked under a SCRUM project management approach.
• Made use of Apple Push Notification Service to display relevant information about the user’s banking operations.

Keywords: Objective C, NSURLSession, UITableView, UICollectionView, UICollectionView, UITableViewCell, RESTful, Jira, SCRUM, XCTest, Push Notifications.

Confidential, California

iOS Developer

Responsibilities:

• Used Objective C as the main programming language.
• Developed with an MVC Architecture using local model classes to represent data.
• Created views using XIB files and using a programmatic approach.
• Made use of custom third party frameworks using Carthage.
• Handled version control with Git.
• Solved tickets generated on Jira by the product owner.
• Fixed UI bugs.
• Made use of NSURLConnection to handle all communications to the API.
• Made use of Core Animations to enhance the user experience.

Keywords: Objective C, NSURLConnection, UITableView, UICollectionView, UICollectionView, UITableViewCell, Jira, SCRUM, TDD, Carthage.