SUMMARY:

• Overall 5+ years of experience, 4+ years of working experience in iOS development
• Expertise in Object Oriented Programming concepts in Objective - C and C++ with a Cocoa, basic knowledge on Swift.
• Proficiency in implementing design patterns such as MVC, singleton, delegation, target-action along with other concepts like categories and protocols
• Use of Auto layout, Size and Trait classes for developing apps that work across multiple resolutions of iOS devices.
• Good understanding of multi-threading, multitasking, prototyping the interface
• Deep expertise in creating application user interface (UI) using storyboard and xib, customizing views, navigation bars and controllers using UIKit framework.
• Strong experience on various media player frameworks such as CoreGraphics, AVFoundation, CoreImage, MediaPlayer, QuartzCore and core service Frameworks such as AddressBook, CoreLocation, and CFNetwork
• Experience in creating databases using SQLite and CoreData to handle online/offline usage
• Expertise in using Grand Central Dispatch, NSURL, NSURLConnection, and NSOperationQueue to connect to web services asynchronously
• Demonstrated ability in integrating third party API's including Facebook, Twitter and Google Maps into several applications
• Expertise in using third party libraries such as AFNetworking to integrate additional functionality into applications
• Experience in multithreading using Grand Central Dispatch (GCD) and Operation queues to achieve optimum performance
• Working experience in using RESTful web-services to provide connections to back end services and handling data using parsers with formats like JSON and XML
• In-depth experience in software development lifecycle (SDLC) and Agile/SCRUM development methodologies
• Worked on the SCM tools like GIT, SVN for source code management
• Developed unit tests for testing specific functionality and logic
• Expertise in use of Instruments to analyze the memory usage

TECHNICAL SKILLS:

Programming languages: Swift 3.0, C#, Objective C, Cocoa, Java, Angular JS, PHP, SQL

Patterns / Framework / API: AWS, Google Cloud Services, PHP framework Symphony, MVC Design Pattern

Webservices: REST, ORM

Software: GIT, xCode, GCD, Terminal

PROFESSIONAL EXPERIENCE:

Confidential, San Francisco, CA

iOS Developer

Responsibilities:

• App used to find the newest and hottest restaurants, make reservations, pick up food and order for delivery
• Responsible for technical design and architecture of the project and working with user experience design team, business analysts, and clients to create the needed requirements artifacts
• Worked intensively with UI/UX designers to improve the User Interface.
• Worked on coding, bug fixing and unit testing.
• Good experience on NSOperations, GCD and Blocks to perform multi-threaded development and asynchronous service calls.
• Implemented Unit Test using XCTestCases.
• Migration of legacy code from Objective-C to swift.
• Involved in integration of latest reservation API for faster processing
• Bug fixes for performance improvements
• Designing, implementing and test new features per functional spec
• Used map SDK for restaurant finder feature to show the nearest restaurants
• Integration of various API’s as per the latest changes made in the backend
• Used MVC to design and architect the coding modules
• Used Test Flight SDK to integrate ad hoc testing of the application
• Involved in functionality changes required as per the business feedback
• Improve speed and functionality using Xcode performance analyzer
• Extensive use of core data for local storage

Confidential, San Francisco, CA

iOS Developer

Responsibilities:

• Involved in requirements discussions and technical design changes required as per the latest feedback from business
• Worked on reservation API for new locations as per business needs.
• Added UI controls to see details like mileage, features and MPG.
• Worked on push notifications API to send notifications when user reaches the destination.
• Bug fixing and performance improvements.
• Integrated web services with REST protocol to communicate with the server
• Worked on features to allow user to add the upcoming reservations.
• Customizing the UI as per the latest iOS UI controls.
• Developed the application flow including the different views and transitions utilizing UIAnimations
• Used UITabBarController, UICollectionViews, UINavigationController, UITableViews, UIWebViews, UISlider in the app
• Involved in unit testing and bug fixes to improve the App experience
• Involved in design changes required for reward points API
• Worked on Grand Central Dispatch queues and NSOperations for background operations like vehicle search, reservations, and update UI while in the background thread

Confidential, Omaha, NE

Jr iOS Developer / Programmer

Responsibilities:

• App used to trade stocks, options and complex options, futures and forex
• Worked on iPhone, iPad UI enhancements as per iOS7 UI themes and native controls
• Extensive use of core data for local storage
• Integration of inbuilt chart component to plot the stock details
• Worked on features like myTrade - share ideas and connect with other traders
• Performance optimizations to improve the mobile experience
• Responsible for unit testing and bug fixes
• UI compatibility for iPhone 5 screens displays
• Extensively worked on iOS, MVC (Model View Controller), SDK, User Interface (UI)
• Mixture of Grand Central Dispatch, NSURL, and NSURLConnection to connect to database using web services
• Extensive use of table view across the project to display various information