SUMMARY

• 8+ years of rich development experience in iOS (Cocoa) and Wireless Networking technologies
• Deep knowledge and experience in Apple iOS (Cocoa) application design and development
• Experienced in Cocoa and UI design implementation using both Storyboards and NIB files.
• Employed best practices in Objective - C and Swift with designing and developing multiple applications for iPhone and iPad
• Experienced in Cocoa and UI design implementation using both Storyboards and NIB files.
• Deep understanding of Object Oriented Features
• Well-versed in user-friendly design, performance improvements, documentation and refactoring
• Experienced in continuous integration and deployment and unit testing
• Expertise in REST and SOAP functionalities, including JSON and XML parsing
• Good knowledge in multithreading using both native and 3rd party frameworks
• Well experienced in implementing Push services, using Apple, UrbanAirship and Parse frameworks
• Designed and Implemented applications using MVC, Singleton and various other design patterns
• Familiar with source control using Git and Subversion
• Experienced in debugging memory leaks and management using instruments
• Extensive knowledge of various frameworks including: UIKit, Core Data, AVFoundation, EventKit, MapKit, Security, AddressBook, AddressBookUI, MessageUI and Core Location frameworks including various 3rd party frameworks/APIs like TestFlight, AFNetworking, ASIHttp, Unity, Opencv etc.
• Experienced in working with ARC and MRR
• Worked with onshore/offshore teams, in Agile model, including QA, Graphic Designers and other Shareholders, to effectively build applications

TECHNICAL SKILLS

Programming languages: Objective-C, Swift, C, C++, Java, C-Sharp (Unity)

IOS Frameworks: UIKit, Foundation, Core Graphics, MessageUI, Core Media, Media Player, AVFoundation, AudioToolBox, OpenGLES, CoreLocation, QuartzCore, MapKit, CoreData, CoreImage, CoreMotion, Social, StoreKit, CoreAnimation, AssetsLibrary, AddressBook, AddressBookUI, EventKit, XCTest

3rd Party Frameworks: Facebook, Twitter, Google, Parse, OpenTok, OpenCV, NinevehGL, BrainTree, Paypal

Tools: XCode 4, 5, 6 & iOS 5, 6, 7, 8, Instruments, Versions, Cornerstone, Git, Subversion, AWS (EC2, EBS, S3, Mobile Kit), Unity

Operating Systems: Mac OS X, Ubuntu, Kubuntu, Red Hat, Unix, Windows 7, Vista, 2003, XP, 2000

Network Protocols: 802.11, Ethernet, HTTP, Token Ring, ATM, ARQ, CRC, PPP, MAC layer protocols for Sensor Networks (XMAC, SMAC, TMAC etc)

Packages: MS Office, Matlab, Openoffice.

Databases: Mimer, MSSQL, MySQL, Oracle, PostgreSQL

Concepts: Object oriented design, Distributed systems, AD HOC network routing, Randomized Re-Routing, QoS.

Others: Omnet++ (Network Simulator), Lejos (Java for NXT Robot), Eclipse

PROFESSIONAL EXPERIENCE

Confidential, AZ

IOS Lead Developer

Responsibilities:

• Integrated third party frameworks Parse, OpenTok, Stripe, Flurry, Google+, Facebook and Twitter
• Built the SignIn/SignUp module using Facebook and Google+
• Implemented multi-user video calling feature using OpenTok library
• Developed the PoC for the live streaming feature using OpenTok library
• Built the credit purchasing feature using Stripe library
• Implemented the share call detailsfeatureusing Facebook and Twitter
• Designed the local datastore and implemented the syncing module with Parse backend
• Integrated Flurry analytics library
• Built the notification module to handle the push and local notifications
• Implemented Swift closure and high order functions like Filter, sort etc.
• Used Swift array and dictionaries to handle the data.
• Used Size classes for designing in different devices.

Confidential

IOS Lead Developer

Responsibilities:

• Designed and built the application for iOS Platform
• Implemented the memory management to handle multiple images together
• Integrated the third party RestKit Framework to interact with Restful Webservice
• Implemented data changes syncing with server along with offline mode.
• Built the feature to take multiple screenshots of web views and save them temporarily in the app
• Handled the button actions in UIWebview with objective-c code
• Improved the performance of the loading of web view, taking screen shots and loading images
• Implemented asynchronous loading of maps with location pin and taking screenshot
• Customised cache to fast-load the images when scrolling and remove with memory crunch

Confidential

Sr. iOS/C# Developer

Responsibilities:

• Designed and built the application for iOS Platform and Unity Platform
• Worked on third party frameworks like Facebook, Unity and OpenCV
• Handled the memory management
• Created the interaction between Unity and iOS
• Created Prefabs in Unity when there is any identical data
• Employed Vuforia and OpenCV for scanning the marker
• Implemented parsing of the code generated by generated by Vuforia and OpenCV using C#
• Implemented screenshot capture to share it through Facebook or twitter or Email or Sms
• Implemented the location module
• Created 3D Object using unity assets bundle
• Displayed the video or 3D object exactly on the marker, along with accurate corresponding movement
• Implemented capturing the screenshot of the 3D Object
• Implemented removing the video or 3D object when marker is not visible from mobile camera
• Added interactive buttons in the view or 3D objects so that user can do the action he/she likes
• Animated the interactive buttons to its appropriate position when a video was made full screen or small screen
• Displayed the coupons and brochures and let the user to save those in application
• Handled analytics based on user actions like video capturing, sharing and tapping interactive buttons

Confidential, AZ

IOS Developer

Responsibilities:

• Designed and built the application for iOS Platform on iPad
• Implemented the web services to download the list of appointments/tasks and save in CoreData
• Displayed appointments and tasks on map using pushpins and tables for the selected day
• Calculated and displayed the route based on the appointment time and tasks available in way of that path within 2 kilometres radius
• Implemented guiding the user through the travel path
• Implemented synchronous display of results in table based on the results that are visible in map
• Implemented creating new appointments and tasks

Confidential, CA

IOS Developer

Responsibilities:

• Designed and built the application for iOS Platform
• Implemented capturing the location of the user to show it in the map when create and trip
• Integrated third party frameworks like Facebook and Google iOS SDK
• Implemented geo-tagging user actions such as capturing photo and recording video or audio
• Implemented the feature to send image captured through mail
• Implemented saving all the information in the CoreData in a relationship format in device
• Implemented uploading images, videos and audio to Google Picasa
• Fetched the URLS of the uploaded files and post it on Google Blogger in Html format
• Implemented sharing the blog link with friends in Facebook or Twitter
• Converted audio files to video files with blank screen to upload those files to Picasa

Confidential

C/C++/OMNeT++ Developer / Project Associate

Responsibilities:

• Worked on the UI design of sensor network for the application
• Implemented Randomized-Re Routing, QoS, X-MAC protocol
• Worked on minimising the energy consumption of sensor network
• Implemented Reliable data transfer
• Implemented traffic controlling and traffic shaping for delivering in best effort fashion
• Implemented handshaking between two sensor nodes
• Worked on making the sensor node sleep if it is idle for a certain amount of time and waking it up after some time to check incoming packets to save energy
• Worked on evaluating performance with OMNeT++ simulator