SUMMARY:

• Comfortable working diverse teams, local or international.
• Adept at integrating various native and 3 rd party frameworks such as CoreLocation, MapKit, CoreGraphics, CoreData, SQLite, Google APIs, Social Framework, CoreAnimation, EventKit, AVFoundation, UIKit, CloudKit, Core Bluetooth.
• Experienced with Agile SCRUM methodologies such as Sprints, SCRUMs.
• Ensures clean, stale code through Test Driven Environment (TDD) and unit tests using the XCTest framework.
• Integrated with Facebook, Twitter, Instagram, and various other social media APIs via third party SDKs and RESTful calls.
• Extensive experience with HTML5, CSS 3, and Responsive Web Design
• Hardcore JavaScript, JQuery and JQuery Mobile programming chops
• Experience with Swift, Objective - C, Xcode, iOS versions, debugging tools, memory management, multi-threading techniques, UI design
• Solid understanding of the full mobile development life cycle and continuous integration.

TECHNICAL SKILLS:

Programming Languages: Swift Objective-C C#, C++ Java, jQuery, JavaScript, HTML, CSS, C++, C#, VB SQL Server RapidSQL SQLite DO-178b, DO-254, and PLC s Allen Bradley Programming iOS Tools: Instruments, Cordova

Web Services: REST, SOAP, Reachability NSURLSession URLSession TouchXML NSUserDefaults NSNotificationCenter NSOperation NSXMLSerialization MessageUI, AddressBook REST /JSON SOAP /XML Apple Push (APN) Core Location MapKit Location Kit

Development Enviornment: Cocoa Touch, UIKit, CocoaPods JIRA TDD Unit Testing XCTest (framework) Automated Testing Jenkins TestFlight Core Plot Core Graphics Core Data, SQLite MVC MVVM Visual Paradigm iOS Skills: Xcode AutoLayout, Storyboard, Xib, Interface Builder, Size Classes, UIKit CALayers UIView Views and View Controllers Adaptive Layout AVFoundation GCD

Operating Systems: iOS, Mac OS, Linux, Windows, IBM AS900

Version Control: Git, SVN, GitHub

Social Media APIs: LinkedIn, FaceBook, Twitter, Google Google API

Cocoa Touch: Document Picker AirDrop, TextKit UIKit Dynamics Multitasking Auto Layout Storyboards UI State Preservation Local Notifications View Controllers Cocoa Pods

PROFESSIONAL EXPERIENCE:

Senior Mobile App Developer

Confidential, New York, NY

Technologies: Cocoa Touch, Cocoa Pods, AVFoundation, Swift, Objective C, Instruments, AutoLayout, SQLite, GCD.

• Took part in full Software Development Lifecycle of multiple applications from concept to production
• Performed all roles from UI design to writing code
• Fixed bugs using GDB/LLDB
• Utilized Instruments, Crash Logs, LLDB statements, NSLog statements, and Breakpoints to resolve various issues and bugs brought to attention by QA team
• Fixed memory issues by using Instruments, most notably using the Allocations and Time Profiler tools.
• Integrated Touch ID capabilities, using Local Authentication
• Added calendar integration, using EventKit
• Used Restkit library to make connections to server, and handle authentication challenges
• Maintained application by fixing bugs, and responding to client issues and requests
• Memory management using ARC.
• AVFoundation was used to handle audio play back and video streaming
• Used Firebase to send notifications
• Utilized NSOperations for downloading images on background thread so as to not lock up the UI and provide a better user experience
• Used NSCache to enable caching workflow for images to reduce loading time from the initial launch of app onwards
• Parsed JSON responses into useable NSObjects using NSJSONSerialization features
• Profiled the application extensively using Instruments to improve performance throughout multiple sprints
• Wrote and maintained configuration information for the different client implementations using XML on SQL Server.
• Performed to complete unit testing, integration testing and regression testing the application.
• All web communications are performed in background threads to enhance performance and the user experience.
• Used SVN for version control
• Designed and implemented native iOS solutions that utilize REST web services for integration with back end processes.
• Develop dynamic configuration to switch between web service calls.
• Agile/SCRUM methodology utilized on project with three week sprints
• Designing, developing, testing and implementation of app in App Store.

iOS Mobile App Developer

Confidential, Phoenix, AZ

Technologies: Test Driven Development (TDD), Reachability, NSXML, KissXML, Cocoa Touch, Cocoa Pods, UIKit, Objective C, NSUserDefaults

• Recommended and executed plans to improve development tools and processes.
• Worked on development team with 5 other iOS developers and 4 service developers
• Manage GitHub repository creating branches doing merge, pull request and releases.
• Worked in an Agile environment, with daily scrum, two week sprints, sprint planning, and retrospectives
• Experience with Apple Approvals and Distribution Process.
• Installed frameworks and tracked dependencies using Cocoapods
• Worked with Objective-c and Swift hybrid code bases; practical experience working with bridging header files and minor issues with a dual language code base
• All code for the mobile and server applications were written using strict object oriented design techniques.
• Experience with JavaScript, HTML, CSS, Angular, Node.js, Express.IO, MongoDB, MySQL, and Python.
• Refactored code base to work with the latest changes in iOS7 from iOS6
• Refactored execution management of orders to be handled in the background without locking up the main thread and UI using GCD; NSOperations also leveraged for more complicated concurrency concerns
• Core Data was used to store the users progress
• Developed using Xcode 5. Design Core Data structure.
• Implemented data persistence classes using CoreData.
• Designed and implemented custom interactive controls using native iOS to solve complex interface usability issues.
• Designed as a universal application for iPhone, iPad, and iPod touch
• Designed custom iOS user interface classes to be used in the application.
• Implemented many OOP and patterns like MVC, KVO and Singleton.
• Implemented new menu design and functionality for an improved user experience
• Implementing sitecatalyst to track all behaviors of user.
• Strong Object Oriented Programming (Objective-C and .NET) • Design and develop from scratch app.
• Built fully programmatic and manual retain/release memory management.

iOS Mobile App Developer

Confidential, Phoenix, AZ

Technologies: REST, JSON, SOAP, XML, Cocoa Touch, Cocoa Pods, AutoLayout, Storyboard, Xib, Interface Builder, Size Classes, UIKit, CALayers, UIView, Views and View Controllers, Adaptive Layout, UIKits, OCUnit, Visual Studio, Core Plot, Core Graphics

• Offered several design elements that added great value to the application and increased the UX.
• Designed and developed custom alert views and custom TabBar.
• Used UIViewControllers, UITableViewControllers, custom ITableViewCell with Interface Builder to design and develop user interface.
• Designed and created UI and Application flow using UIKit and Core Graphics.
• Designed custom html to send an email with Electronic Invoice attached. Design and develop custom alert views.
• POC’ed CorePlot for creation of pie, line, and bar graphs
• Designed custom TabBar.
• Designed and developed custom stacked bar chart for app.
• Designed and developed dynamic views to create the front-end of app.
• Reworked the user settings page, using AutoLayout and NSUserDefaults
• Optimized app appearance for the retina display on the iPhone 5
• Ensured UI optimized for iPhone 6/6+, and iPad screen sizes using size classes, with AutoLayout constraints used for graceful orientation handling
• Worked with Storyboards to refactor several UI layouts based off wireframes to heighten the user experience
• Worked with Storyboards, Size Classes and AutoLayout constraints for graceful orientation handling and support for various iPhone and iPad devices
• Using Storyboards and AutoLayout constraints, refactored UI to conform to the iOS7 design principle
• UI and Application design with NIB files programmatically and using Interface Builder.
• UI and application e-signing using Storyboards.
• UI developed using XIBs and Storyboards
• UI implemented using XIB files, and programmatic means; constraints created via interface builder and with programmatic helper methods as well
• MapKit, CoreLocation and MKAnnotations used to make UI tweaks on the map view and enhance functionality
• Implemented CoreLocation/Location Manager tweaks to fully support changes in iOS 8; namely always v.s while in use authorization
• Geocoding, CoreLocation, and MapKit used to keep track of your taxi’s progress
• Debugged a variety of production code issues.
• Resolved numerous bugs and crash scenarios using NSLogs, Breakpoints, Instruments and LLDB statements
• Resolved various bugs using NSLog statements, Breakpoints, LLDB statements, and Instruments
• Fixed bugs when found by QA and documented in JIRA
• Integrated Touch ID capabilities, using Local Authentication
• Added calendar integration, using EventKit

Software Engineer

Confidential, Phoenix, AZ

Technologies: Java, C++. VB, SQL Server, Rapid SQL

• Analyze requirements of Fleet department
• Drafted technical documents and whitepapers.
• Recommended and executed plans to improve development tools and processes.
• Collaborated with product and engineering team members to define and develop new product concepts.
• Experience with JavaScript, HTML, CSS, Angular, Node.js, Express.IO, MongoDB, MySQL, and Python.