SUMMARY:

• 6 years of iOS experience working with native tools.
• 2+ year developing with Swift.
• Following the best coding practices and MVC or MVVM design pattern as core architectural design.
• Experience with Singleton, Delegation, Observer and Publisher - Subscriber design patterns.
• Proficient in developing UI with Storyboards, Xibs, Auto layout and Size classes to created apps for Multiple screen sizes.
• Experience saving data locally in the device using NSUserDefaults, Core Data, SQLite, KeyChain and Filesystem.
• Experience with multithreading applications using GCD, DispatchQueue and NSOperationQueue.
• Experience with both MRR and ARC memory management.
• Experience with Location and Maps using CoreLocation and MapKit
• Knowledge in GIT and SVN version control systems.
• Worked on all the major frameworks of iOS like CoreFoundation, AVFoundation, UIKit, CoreLocation, MapKit,CoreBluetooth and others.
• Experienced registering application for Push Notifications and properly handling the receiving of push notifications within the app
• Experience working with Audio/Video using AVAudioPlayer, AVPlayer, MPMoviePlayerController and HLS.
• Worked with web service communication SOAP and REST and parsing of XML or JSON data.
• Experience working with Animations implementing Core Anmination and Core Graphics.
• Worked with XCTest to design unit test cases for Test Driven Development.
• Integration and management of social networks (Confidential).
• Worked with some useful tools like Confidential, etc.
• Experience working with Agile/Scrum or Waterfall methodologies.

CAREER SKILLS:

• Swift
• Objective-C
• C++
• Soap
• RESTful
• Webservices
• SQLite
• Core Data
• Design Patterns
• Concurrency
• HTML
• CSS
• Git
• SVN
• TDD
• Agile
• Cocoapods
• Carthage

PROFESSIONAL EXPERIENCE:

Northbrook, IL

Senior iOS Developer

Confidential

Responsibilities:

• Consumed CVS’s API endpoints with URLSession and parsed them into local model objects with JSONSerialization.
• Made use of Core Location to display pharmacy products based on proximity.
• Made use of Custom Table View Cells with XIB files.
• Worked under the SCRUM Agile Framework with 2 week sprints.
• Used Git as the main version control system.
• Handled proper multithreading using GCD and NSOperation.
• Handled the flow of the app through storyboards.
• Worked on the upgrade from ALAsset to PhPhotoLibrary.
• Made use of PhPhotoLibrary to manage the app’s photo album inside the user’s photo library and their iCloud library.
• Made use of SVGKit to manage the rendering of SVG files natively in a fast and powerful manner.
• Made use of Xcode instruments to measure performance and track memory leaks.
• Experienced in TDD and micro feature unit testing.

Technologies Used: Swift, UIImageView, SVGKit, PhPhotoLibrary, UIGestureRecognizer, UITableViewController, UICollectionViewController, Custom UIButton, Instruments, JSONSerialization, Storyboards, XIB, ARC, GIT, SCRUM, Core Location, GCD, NSOperation, Core Location, UICollectionView, UIScrollView, Memory Management, Zoom, iCloud Photos. Nov 2015 - Apr 2016 Ontario, CA

Senior iOS Developer

Confidential

Responsibilities:

• Size of the team was 13 people total; 2 Designers, 2 testers, 3 iOS Developers, 1 Product Owner, 2 Back end, 3 Android Developers.
• Application follows MVVM as the main architectural design pattern and complements with others like delegation, singleton, publisher subscriber, closures.
• Worked on the UI implementing dynamic content, custom CollectionViews, side menu, custom UIViews, custom action sheet.
• In charge of implementing the networking manager class to communicate to the API by implementing Alamofire and SwiftyJSON to deal with JSON data.
• Worked on the memory management and multithreading to ensure a good performance of the application by implementing OperationQueue.
• Efficiently retrieved images on background and ensured UI runs smoothly.
• In charge of implementing the login process by take advantage of FB API.
• Implementation of PayPal API for the shopping bag.
• Used CoreLocation to find stores nearby to the user. Reverse geocoder was utilized to allow for searching of cities, zipcodes, and other locations.
• Utilized NSUserDefaults to save simple data; sensitive data was stored in the Keychain after being encrypted for maximum security.
• Created all of the necessary App ID’s, provisioning profiles and certificated needed to submit to the App Store.
• Used Testflight to distribute app to testers.
• Management of project was handle using Scrum methodology, Jira and Slack.
• Implemented Unit test using XCTest framework.
• Implementation of tools like Cocoapods, Git, XCodeServer.

Technologies Used: Swift, UICollectionView, UITableViews, RESTful, NSURLSession, Alamofire, SwiftyJSON, UIImageView, Storyboard, Constraints, NSUserDefaults, FB SDK, PayPal SDK, MVVM, Cocoapods, Git, OperationQueue. June 2014 - Sept 2015 Atlanta, Georgia

iOS Developer

Confidential

Responsibilities:

• Worked on an existing Objective-C project.
• In charge of making some architectural changes in the core library of the project.
• Redesign of the interface, replace xibs for storyboards and implemented a new custom menu.
• Worked on new features like “recent payments”, transaction detail, searches, new account types, and bill pay option.
• Implementation of Core Location and MapKit to show locations.
• Work on the Implementation of the Authentication and touch ID for the Login view. Manipulation of the token was handle with the help of OAuth library. Used a Singleton class to maintain the authentication and user information alive through the app’s life cycle.
• Created the Wrapper class to communicate to the web service. Created functions for POST, GET, PUT, DELETE using NSURLSession for the request and NSJSONSerialization for the JSON parsing.
• Use of NSUserDefaults to save profile and settings configuration like the remember me option on the login. Also used keychain for sensitive information.
• Worked on an Agile team of 4 Developers, 2 QA, 3 Backend, 1 Designer and the Product Owner.
• Created the provisioning profiles and certificated needed to submit to the App Store.
• Implementation of Carthage to include third party libraries like MBProgressHUD, Google Analytics, Crashlytics.
• Use of Git for version control and did code review for every pull request.

Technologies Used:

• Objective-C
• Storyboards
• MKMapKit
• CoreLocation
• LocalAuthentitation
• OAuth
• NSUserDefaults
• NSURLSession
• JSON
• Agile
• Git
• KeyChain
• Locksmith
• MBProgressHUD
• Crashlytics
• MVC
• KVO
• Delegation
• Singleton. June 2013 - May 2014 Atlanta
•  GA

iOS Developer

Confidential

Responsibilities:

• Added functionality and made enhancements to an existing application based on Objective-C.
• Implementation of a Singleton class to maintain the authentication and user information alive through the app’s life cycle.
• Profiled the application and made enhancements on the memory management. Also worked on the performance of multithreading using Grand Central Dispatch.
• Add the functionality of the in-app Chat support and ensure a good synchronization and performance of it.
• Added the functionality to save credit card information and setup the auto pay option.
• Implemented SQLite with encryption using SQLCipher to save the sensitive data.
• The communication with the SOAP web service was done by using AFNetworking and then using XMLParser to parse the data.
• Worked on the UI to develop a universal app for iPad and iPhone.
• Created several custom UIControls to make them reusable and improve the performance.
• Code base held in SVN repository.
• Implemented Unit test using XCTest framework.
• Use Trello and a Scrum methodology to manage the development of the product.

Technologies Used:

• Objective-C
• Storyboards
• NSUserDefaults
• AFNetworking
• XML
• SOAP
• Scrum
• Trello
• SVN
• KeyChain
• MVC
• KVO
• Delegation
• Singleton
• SQLite
• SQLCipher
• GCD. Aug 2012 - May 2013 New Haven
•  CT

  iPhone Developer

Confidential

Responsibilities:

• Application was created from scratch using Xcode and Objective-C.
• Worked on a small team of 4 people (2 iOS Developers, IT Manager, 1 Designer)
• The UI involved some customization of UIButtons and TableViewCells. Implementation of UITableviews and NavigationController. Whole application developed with Xibs.
• Share app information. Using the FB and Twitter SDK or MFMailComposeViewController for email.
• Application’s architecture is based on MVC and implements Delegation pattern to pass data between views.
• Data saved on the device is managed by using FileSystem and NSKeyedArchiver.
• Created all of the necessary App ID’s, provisioning profiles and certificated needed to submit to the App Store.
• Code base held in Git repository; used Github and Terminal to manage the operations of Git.

Technologies Used: Objective-C, Xibs, FileSystem, NSKeyedArchiver, Git, MVC, Delegation, MFMailComposeViewController, FB SDK, Twitter SDK, UITableviews, Custom UIKit, NavigationController. Aug 2011 - July 2012 Culiacan, Sinaloa

Mobile Developer

  Confidential

Responsibilities:

• iPhone application developed in Xcode using Objective-C and a MVC design pattern.
• Development of the product was managed implementing a Waterfall methodology.
• Size of the team included 3 mobile developers, 1 designer and a project manager.
• Application’s UI is based on the implementation of UITableViews, UICollectionViews with custom cells, NavigationController, UITabBarController and MapView using nib files.
• Used CoreLocation to find stores nearby to the user and present them using the MKMapKit. Reverse geocoder was utilized to allow for searching of cities, zipcodes, and other locations.
• Communication with the server was done by using NSURLConnection and XMLParser.
• Download of the images and data was done by implementing Grand Central Dispatch to execute these task on background and not block main thread.

Technologies Used:

• Objective-C
• Xibs
• SVN
• MKMapKit
• CoreLocation
• NSURLConnection
• UITableviews
• Custom UIKit
• NavigationController
• XMLParser
• GCD
• Blocks
• Waterfall
• MVC. July 2010 - Aug 2011 Culiacan
• Sinaloa

Software Developer

Confidential

Responsibilities:

• Give Support to the client on the use of the system
• Verify that the system works like it is supposed to by checking the databases and the program.
• Keep updating the client on the issue they reported.
• In charge of developing the architecture and programming of the WebService SOAP.
• In charge of programming the software for the reception of the products for the stores.
• In charge of programming the Inets for the project.
• Solved problems that were reported.

Technologies:  C++, Postgresql, WebService SOAP.