PROFESSIONAL SUMMARY:

• Passionate and self - motivated engineer with 7 years of experience in software design, development, testing and maintenance of application software for mobile phones.
• Substantial experience working in iOS applications for iPhone and iPad using Xcode v4.5/5.x/6.x/7.x/8.x and Cocoa Frameworks
• Strong programming skills in C, C++, Objective C, Swift v2.x/3.0 and Java
• Extensive experience in working on enterprise mobile applications and on service based integration methodologies including SOAP, RESTful web services and API Design
• Possess good mobile debugging knowledge and familiar with debugging techniques using debuggers, loggers and crash report tools
• Experienced in implementation and device configuration for Apple Push Notification Service
• Solid knowledge in integration of various social networking and Ad APIs such as Facebook, Twitter and AdMob into the iOS applications
• Experience in Multithreading implementation using NSURLConnection, NSURLSession, NSThread, Grand Central Dispatch(GCD) and Blocks
• Experience in writing Unit test cases using XCTest framework
• Strong understanding of the Software Development Life Cycle(SDLC) and experience working in Agile environment and Test Driven Development(TDD) environment
• Well versed with Cocoa patterns such as Model-View-Controller (MVC), Singleton, Abstract Factory and Observer patterns
• Strong problem solving and solid communication skills including oral, written and interpersonal skills

TECHNICAL SKILLS:

Programming Languages: Objective-C, Swift v 3.x/2.x, C, C++, HTML5, Java, JavaScript, CSS3, AngularJS

Tools: GitHub, SVN, Instruments, JIRA, Rally

Database: SQL, SQLite

Environment: Xcode 4,5/5.x/6.x/7.x/8.x, Eclipse, NetBeans iOS Frameworks Cocoa Touch Frameworks like UIKit, Foundation, Core Location, MapKit, Core Graphics, Core Data, Core Bluetooth, AVFoundation, Social, Security, MessageUI, MobileCoreServices

PROFESSIONAL EXPERIENCE:

Senior iOS Developer

Confidential, SFO, CA

Responsibilities:

• As a senior developer, responsible for analyzing the business requirements and prepare the technical document as per the design
• Contributed to the design and the complete implementation of the Accounts, Bill Pay and the Locator functionality of the BOA mobile banking application
• Worked in a team of four in redesigning the base architecture to transform the application into native iOS and also involved in migrating the application from Objective C to Swift
• Implemented the application using Swift v2.1 and upgraded to Swift v3.0
• Used MapKit and Core Location framework to implement the locator functionality and implemented NSUserDefaults and iOS Keychain to store sensitive information
• Worked on implementing the AutoLayout functionality for the application to support the screen layout of all iPad and iPhone versions.
• Implemented the web service interface and developed an universal parser using NSJSONSerialization to fetch the JSON responses from RESTful web services
• Involved in Agile Scrum methodology for development and involved in Daily Standup call, Sprint planning & Review meetings.

Environment: Swift v2.1/3.0, Xcode 7/ 8, Agile Scrum methodology, iPhone SDK, Cocoa Touch, Core Location, MapKit, JSON, AutoLayout, NSUserDefaults, iOS Keychain, RESTful Web Services, GitHub

IOS Developer

Confidential, Menlo Park, CA

Responsibilities:

• Worked with the UI team to design the wireframes and User interface for both iPhone and iPad applications. Worked on product documentation and designed UML diagrams
• Contributed to the proof of concept and implemented TouchID for user login
• Developed Barcode, Help, and News features for the existing Mobile Pro App
• Worked extensively with Cocoa Touch frameworks and implemented the application using both Objective-C and Swift v2.x
• Implemented third party library ZBAR SDK to read the barcode and used Core data and property list to store data locally in device
• Implemented Apple Push Notification service for the News feature to enable the user to view alerts without initiating the application
• Extensively used Instruments tool to minimize memory leaks and assure overall application stability
• Collaborated with Backend team to interface with the web services and worked closely with the testing team

Environment: Objective-C, Swift v2.1.x, Xcode 5, Agile Scrum methodology, iPad/iPhone, Cocoa Touch, UIKit, JSON, XML, Core Data, plist, APNS, TouchID, iPhone SDK, Interface Builder, iPhone Simulator, Instruments.

Senior Software Engineer

Confidential

Responsibilities:

• Involved in the complete software development life cycle of this project and contributed to the feasibility analysis and prototyping of the business functionalities
• Used Core Text, Core Graphics and Core Animation frameworks to draw customized UI for login and chat screens and implemented customized UITabBar, UINavigationBar, UITableView
• Used NSThread to detach some server calls from main application thread and NSNotificationCenter to observe changes in application so as to update the application immediately
• Implemented OAuth for user login and cryptography feature for encrypting password using security framework, SSKeychain library and RNCryptor library
• MVC and Observer design pattern was used to implement the application
• Contributed to implementation of UIWebView to display the response from the server once the barcode is read by the scanner
• Designed and developed database using Core Data to save the scanner history locally for the user to revisit the scanned items
• Designed test cases and performed Unit testing

Environment: iOS 4 /5 /6, iPhone SDK, Xcode 4, Objective C, Cocoa Touch Framework, Interface Builder, iPhone Simulator, Web vIew, XIB, Storyboard, XCTest, SystemConfiguration, HTTP request, XML, OAuth, Threads, Notification Center.