SUMMARY

• Over 7+ years of IT experience including 5 years experience as iOS developer in Design, Development, Testing and Implementation of Client - server applications.
• Extensive experience in iOS application design and development using Objective-C and Cocoa Touch.
• Good experience in working with existing applications using Swift Programming Language Interface Builder and Instrument.
• Excellent software design and documentation skills with ability to debug applications using the frameworks and provide appropriate solutions.
• Expertise in MVC design architecture, Cocoa design patterns and concepts like delegation, protocols and categories, extensions.
• Created and customized views, table views, tab bar controller and navigation controllers which are some basic functionality in a multi-view application.
• Knowledge of Object Oriented Concepts and good development experience in using those concepts in building re-usable code.
• Experience with both SVN and GIT code repositories and GIT interfaces like Source Tree.
• Experienced in working with data parsing forms such as XML and JSON to dynamically display data on iPhone/iPad.
• Control the user interface programmatically, which requires more familiarity with UIKit classes and protocols.
• Good experience on advanced NSOperations, GCD blocks, and threads to perform multi-threaded development.
• Good experience in Test Driven Development, and Apple push notifications, Network frameworks like AFNetwork.
• Extensive consuming SOAP / REST Full web services.
• Good experience with Data Structures and RDBMS with writing SQL queries, Stored Procedures, Functions, Triggers, Databases SQLite and MySQL.
• Good experience in iOS testing using tools like Jenkins, SoapUI, XCTestCases, UI Automation Testing, Instruments.
• Have knowledgeable of iOS, e-commerce, Apple Pay.
• Strong experience with interactive application development paradigms, ARC, file I/O, network & socket programming, concurrence and multi-threading.
• Expertise in testing applications using simulators and on real devices to optimize applications.
• Known for excellent troubleshooting skills - able to analyze code and engineer well researched, cost effective and responsive solutions.
• Capable of multi-tasking at work and taking up challenges and also energetic and passionate for learning new concepts, methods and technologies
• Excellent communication, organizational skills, attention to detail and the ability to meet tight deadlines.
• Strong commitment to organizational work ethics, value based decision-making and managerial skills.

TECHNICAL SKILLS

IOS applications: Objective-C/ Swift development for iPhone and iPad devices in Xcode Interface builder UIKit, Cocoa touch, core Data, Health Kit.

Programming Languages: Objective-C, Core Java, J2EE, Servlets, JSP, HTML 4.0.1, XML, CSS, JavaScript, JQuery, JSON, C, C++, Swift.

Internet Technologies: My SQL, MYSQL-SQLITE3, Microsoft SQL Server and Microsoft Access.

Tools: Xcode 3.0/4.0/5.0/6.0/6.4/7.0 , Instruments Git, iOS 9.1 Beta 1.

PROFESSIONAL EXPERIENCE

Confidential, Bloomington, IL

Sr. iOS Developer

Responsibilities:

• Worked on enhancing an existing application using Objective C & Swift.
• Involved in shifting the codebase of the organization from objective C to Swift.
• Built on Swift but some reusable components which were developed with objective C are integrated using bridging header for future product release.
• Developed the complete user interface (UI) of the app using UIKit and CoreGraphics framework.
• Integrated Map functionality using MapKit and CoreLocation frameworks using web services.
• Retrieved data from web services by calling the server and then parsed the response data using JSON library.
• Involved in requirement analysis, Impact analysis, designing and developing the application.
• Implemented Custom Table View and Core Graphics library to have better end user experience.
• Worked on Push Notification sent from server for new Alerts.
• Designed and engineered UI components within agile environment.
• Responsible for UI/UX development.
• Used multi-threading to handle background events to improve the application performance.
• Implemented Core Data to improve memory overhead of the app and increase responsiveness.
• Worked on Restful web services for better management of resources for the app.
• Worked on GCD to build a responsive UI and implemented background threads.
• Worked on Custom Activity indicator and Calendar for better custom look of the App.
• Implemented custom UITabBarController, UINavigationController for easy navigation throughout the app.
• Worked in a highly collaborative environment for development of app.
• Used NSUserDefaults to store user information and save data locally.
• Customize UIElements, UIActionsheet, UIAlertView, UItableView, UICollectionView, UIScrollView to build user interface of the application.
• Involved in Unit testing and fixed bugs to meet Client Specification and Standards, Memory leaks and Memory management issues.
• Involved in all major client meetings and helped to prepare templates for simplifying tasks.
• Involved in Project documentation and possess expertise in the same.

Environment: iOS 7.x/8.x/9.x (iPad SDK), C++, Swift, Objective C, Xcode 5.x/6.x/7.x, Cocoa Touch, Cocoa framework, JavaScript, Adobe CS5 Suite (Photoshop, Dreamweaver), MapKit, Core Location, and AV Foundation

Confidential, Sunnyvale, CA

Sr. iOS Developer

Responsibilities:

• Used GCD to process search for transactions on the background thread for improved efficiency and responsiveness.
• Fetched related offers for manually added items to the My List from the API and displayed them in the device.
• Still provide support for when the application needs to be updated in regards to a new iOS release or if the client wants a change in design.
• Worked withUIKit Frameworkfor development and maintenance.
• Implemented UIRefreshControl to drag down to sync data in offers, My Card and My List views.
• Worked with iBeacons to support store navigation for customers with app.
• Provided user with the ability to turn off categories they are not interested in.
• Saved the interested categories and items in My List in SQLite3 backed store used by Core Data.
• Added auto complete functionality while manually adding items in My List.
• Involved in maintaining the existing code-base, bug-fixing and adding new features into the app.

Environment: s: iOS 5.X, Objective-C, Xcode, Cocoa Touch Framework, Simulator, JSON.

Confidential, Columbus, Ohio

IOS Developer

Responsibilities:

• Worked broadly on table view controller and made customized table view cells as indicated by the customer.
• Followed a work information stream standard for outline and improvement.
• Worked on Web Service calls, XML and JSON parsing included in the project.
• Worked with UIKit Framework for development and maintenance.
• Used Core data Framework for local storage purpose in SQLite.
• Formatted the Data according to Business standard to show in UI.
• Worked with GDB and Xcode for debugging.
• Worked with GIT to checkout and update the codebase changes.
• Reported progress/difficulties to project lead.
• Debugging issues on location whenever required.
• Complete execution of the retrial mechanism.
• Used the same XIB to design for iPhone 5 and older iPhones by using Auto-layout.
• Added animation between UI Views for smooth move and better client experience.
• Publishing the application on App store and afterward pushing upgrades after every sprint discharge.
• API design XIB code generation using with Xamarin.
• Complete implementation of the retrial mechanism.
• Worked on Instagram API Integration in iOS Application to bring information from Instagram server to theiOS application.
• Web services deployment and testing on rest client.
• Worked on Unit-test code for strength, including edge cases, usability, and general reliability.
• Worked on documentation tools - Doxygen / Javadoc.
• Responsible for Service Integration Development and Testing.

Environment: iOS 5.x (iPhone SDK), Instruments, Objective C, XCode 4.x, Cocoa Touch, C++, RESTFull service, Git, Stash, SourceTree.

Confidential, NewYork, NY

IOS Developer

Responsibilities:

• Worked on Objective C and Cocoa frameworks.
• Used the cored data feature provided by Cocoa.
• Expertise in MVC design architecture, Cocoa design patterns and concepts like delegation, protocols and categories.
• Customized UI Table View to have a custom look.
• Developed tools for this project like customized navigation bar, page control and scroll view.
• Worked with JSON for data exchange between client and server.
• Took care of Code Review, Code Fixes and bug Fixes.
• Managed data and memory management from streamlining code and using various debugging tests.
• Part of the team that helped build and release the application to the app store.
• Used GitHub to pull code and make changes and push the code back.
• Made custom UI Table View Cells.

Environment: iOS SDK 5, Xcode, iOS SDK 6, Core Data, Cocoa, XSD, Objective-C, GitHub, Xcode 5.1.1 iPhone Devices.

Confidential

IOS developer

Responsibilities:

• Worked on Objective C and Cocoa frameworks.
• Stored a CSV file in the project.
• Used the cored data feature provided by Cocoa.
• Expertise in MVC design architecture, Cocoa design patterns and concepts like delegation, protocols and categories.
• Created a parser for the CSV file that would then allow us to parse the CSV file.
• Customized UITableView to have a custom look.
• Developed tools for this project like customized navigation bar, page control and scroll view.
• Worked with JSON for data exchange between client and server.
• Took care of Code Review, Code Fixes and bug Fixes.
• Designed XSDs to define the xml structure of data exchanged between iPhone and server.
• Managed data and memory management from streamlining code and using various debugging tests.
• Part of the team that helped build and release the application to the app store.
• Used GitHub to pull code and make changes and push the code back.
• Used Xcode 5.1.1 for debugging.
• Used iOS SDK 5 and iOS SDK 6.
• Made custom UITableViewCells.

Environment: s: Objective C, Xcode 4.3, iOS 4.3 - 6.0, iPad.