SUMMARY:

• Over 10+ years IT experience and 8 years of mobile application development experience.
• 8 years of Objective - C and Xcode experience with Instruments, Cocoa Touch and XCTest
• 4 years of Swift experience (latest version 4.2)
• Updated knowledge of Xcode, iOS and tvOS
• Clean, concise code writing skills that use unit & functional testing for rapid development
• Experienced with using GCD and NSOperationQueue for Multithreading
• Experienced with SCRUM, Agile, Waterfall methodologies with Test Driven Development practices
• Efficient storage of data using Core Data, SQLite, NSUserDefaults, and plist files
• Practiced in building efficient code using encapsulation, inheritance, polymorphism, delegates, categories, KVO, NSNotifications, and Apple Push Notification Services (APNs)
• Experienced with Bluetooth Low Energy (BLE), TCPIP (Wi-Fi) and connectivity with external devices using BLE
• Developed native based iPhone applications and hybrid app development using Xamarin and Cordova with UIKit and Foundation frameworks
• Experienced with continuous integration/continuous delivery using Jenkins automated software
• Working knowledge of Unit and Automated testing using TestFlight, UI Automation and XCTest frameworks
• Familiar with UI design implementation and strong AutoLayout skills using Visual Format Language for Storyboards and XIB creation
• Proficient with HTML5, CSS and Front End design/development, React Native, and Angular JS
• Complete understanding of Object Oriented Features (Inheritance, Polymorphism, Abstraction and Encapsulation)
• Experienced with CommonCrypto framework and SQLCipher for device database encryption
• Experienced in XML and JSON Parsing with NSJSONSeralization and NSXMLParser
• Familiar with data structures within NSObject class including NSArray and NSDictionary
• Experienced with SVN, Git and the Atlassian Suite (Jira, Confluence & BitBucket)
• Familiar with deploying applications using 1st party and 3rd party methods
• Extensive knowledge of Core Location services, AVFoundation, UIKit, GameKit, AFNetworking, RestKit, and Core Plot frameworks
• Developed and implemented application designs based on MVC, MVVM and Singleton
• Experienced in all aspects of iPad application development including designing for all types of screen sizes and orientations
• Created Doxygen documentation with extensive pragma marks and code comments
• Used Google Analytics, Fabric, Flurry Analytics, Airship and Shinobi Controls frameworks
• Proficient in programming JavaScript data capture and event handling methods via the DOM event model
• Strong OOP fundamentals, Java, Java ME, XML, Android 2.2 (Gingerbread) thru 8 (Oreo)
• Android SDK and framework (activities, services, related lifecycles, intents, content providers, broadcast receivers)
• Multithreading and thread synchronization
• Optimization needed for mobile devices with limited battery life (reduce number of instruction cycles, minimize memory access, Bluetooth LE and Gimbal beacon broadcasting)

WORK EXPERIENCE:

Senior iOS Developer

Confidential, San Francisco, CA

Responsibilities:

• Design, develop & prototype iOS native customer applications for phones and tablets for internal and external use.
• Participate in full app lifecycle: concept, design, build, deploy, test and release to app store.
• Work with product teams on new product ideas, designs, prototypes and estimates.
• Keep up-to-date on current and upcoming features in relevant products and platforms
• Drive a best practices approach to the continuous improvement of our products, processes, and tools.
• Write and maintain documentation for all features in development
• Developed and optimized mobile apps (BofA, CashPro, et al)
• Manage the build, infrastructure and process of building mobile applications (iOS & Android) using Jenkins
• Tools used: Maven, Gradle, Git, Xcode, JSON/XML Web services, Continuous Integration/Continuous Delivery, Test Driven Development (TDD), BitBucket, Perforce, Subversion, Unix shell scripting

Lead iOS Developer

Confidential, Duarte, CA

Responsibilities:

• Created the BRISK (breast cancer risk assessment) app for the Apple App store
• Updated the CTCAE Calculator (common terminology criteria for adverse effects) app for the Apple App Store
• TestFlight functional testing done through iTunesConnect
• Used Autolayout and Size classes for the iPhone/iPad to integrate single, continuous responsive UI experience
• XCTest and XCTUI frameworks used for unit and automated testing
• React Native used to create a responsive UI while using GCD, CoreData to offload data ops onto multiple threads
• Improved the usability and stability, adding new features and improving the quality of the user experience

Lead iOS Developer

Confidential

Responsibilities:

• Swift 2.2 used to programmatically write UI/UX for iOS SDK and React Native for merging web solutions with iOS design
• Created UI/UX for the web app, using Xamarin, ASP.NET and C# with React framework
• Used Jenkins software for Continuous Integration/Continuous Development
• Created hybrid iOS/Android apps using Xamarin from a web-based app, using the web CSS and Javascript style sheets
• Created the systems to interact with this data and the physical GPS data on both the Android & iOS platforms, routing between point-to-point and other related functions.
• Integrated GPS features and a chat service that allows others to share location data and markers
• Also targeted smaller scale mapping for amusement parks et al.
• Worked in an Agile team with 2 week sprints and daily standups
• Used Swift, Autolayout and Size classes for the iPhone/iPad to integrate single, continuous responsive UI experience

Senior iOS Developer

Confidential, Woodland Hills, CA

Responsibilities:

• Targeted for iOS 8/9, Mac OS 10.10 devices with Confidential - iPhone 6, 6+, Samsung 6 - using credit, EMV, and Apple Pay transactions
• Built the SDK framework for the Ingenico 220/250 card reader family to use TCP/IP and Bluetooth LE
• Built UI/UX for the POS SDK using Swift 1.1 and React Native script
• Used Autolayout and VFL for the iPhone/iPad UI to integrate single, continuous responsive UI experience
• Used Swift and Objective-C in the frameworks/libraries along with CommonCrypto and SQLCipher frameworks, built and distributed to third party developers

Senior iOS Developer

Confidential, Mountain View, CA

Responsibilities:

• Worked as the senior developer in charge of solution design
• Targeted for the iOS 8 arena, enhanced for iPhone 6, 6+ using Swift/Objective-C
• Collaborated with team members to identify consumer needs and business requirements
• Attended daily SCRUM meetings and bi-monthly SPRINTs
• Utilized the Quickbooks REST web services to create a third-party developer SDK
• Integrated the Confidential APIs to create tokens from credit cards and bank accounts
• Worked to configure the QuickBooks server integration for secure payment processing of both banking and credit cards which exceeded financial regulations standards

Senior iOS Developer

Confidential, Atlanta, GA

Responsibilities:

• Collaborated with team members to identify consumer needs and business requirements
• Parse.com used for backend with Foundation framework and NSURLConnection methods
• Used the React native framework for web solution consistency in UI/UX object
• Built-in Sports API from CBSsports.com used for JSON data functionality
• Authenticated the user with OAuth to prevent phishing attacks since frequent calls were made to the CBSSports Sports API
• Fixed memory leaks and improved app performance using Apple Instrument tools
• Used TestFlight and XCTest framework to create functional test through iTuneConnect and unit tests, respectively
• Data displayed and serialized by JSON that is returned from CBS Sports API

Lead iOS Developer

Confidential, Atlanta, GA

Responsibilities:

• Lead iOS developer tasked with of building a receptive iOS mobile application.
• Targeted for the iOS 7 arena, enhanced for iPhone 5, 5s & 5c
• Used customized navigation bar to make a more appealing UI
• Used multifaceted AI to return responses to questions in random order
• Helped conduct meetings to discuss best practices and streamlining of code
• Work together with team members to ascertain consumer needs and business requirements

Senior iOS Developer

Confidential, Atlanta, GA

Responsibilities:

• Targeted for the iOS 7 arena, enhanced for iPhone 5, 5s & 5c
• Social framework used to posts predictions to Twitter & Facebook
• Customized navigation bar to create a more engaging User Interface
• Used Facebook and Twitter authentication and choice to sign-up with e-mail id also built-in
• Allows transitions and navigation throughout the app is a smooth manner by implementing customized menu
• Interactive feature added by providing comments and likes by simply clicking buttons
• Modified the UI/UX for the web app to use Jax JS framework
• Work together with numerous developers to ascertain consumer needs and business requirements

Senior iOS Developer

Confidential, New Hampshire

Responsibilities:

• Identified and understood the required design theme from already existing windows client
• Developed mockups based on Apple HIG. Adopted the design theme across the application
• Designed the experience for the iPad version of the E-signature component within the constraints of the complex business needs while being simple to use
• Participated in design reviews and worked along UI/UX team to refine UI of the application
• Created model objects for various web API calls like user login, patient visits, locations available,
• Wrote custom XML parser objects to create elements from designer given from xml feed into a medical form and populated onto the UI as PDF document
• Required validation was performed and highlighted the form elements on the document, which needs to be signed and submitted
• Profiled and debugged the code using Instruments to improve the overall performance of the application and database. Provided adhoc builds to Clients and QA teams via Test-Flight
• Signature by user was captured as dictionary of points touched on the UI and wrote controller object to save and pass them over into an xml-encoded string

IOS Developer

Confidential

Responsibilities:

• UIWebview layouts like refresh button, forward and back buttons
• Front end like adding UITableView, UIPickerView to show the data
• UIWebview to display the video
• Used SOAP for web services and passing XML data used with XMLParser from the iPhone app to and from the web server