SUMMARY:

• About 7 years of experience in iOS application development using Xcode, & CocoaTouch framework
• Strong hands - on experience with Objective-C, Swift 3.0
• Strong knowledge of OOP concepts
• Deep insight of iOS memory management mechanisms and have experience with ARC as well MRR strategies
• Experience in developing applications for iPhone as well as iPad screens.
• Experience in integrating iOS apps to SOAP/REST based back-end systems
• Experience in JSON & XML parsing using NSJSONSerialization and NSXMLParser
• Experience working with networking API like NSURLConnection and NSURLSession
• Hands-on with Asynchronous programming using APIs like GCD, NSOperationQueue
• Experience creating applications using frameworks like UIKit, CoreLocation
• Experience in data persistence using CoreData and SQLite
• Experience managing application flow using Storyboarding and NIB files
• Implemented adaptive UI using AutoLayout, UIStackView
• Good understanding of design patterns like MVC, Singleton, Delegation
• End-to-End experience with implementation of Confidential ’s Push Notifications
• Experience writing unit test cases using XCTest and OCMock frameworks
• Experience managing certificates and provisioning profiles in Confidential Developer Portal
• Experience in deploying apps in production environment and also in app store
• Familiar with Agile Scrum and Waterfall methodologies
• Passionate about writing beautiful and understandable code
• Experience deploying apps over HockeyApp and TestFlight
• Good debugging and troubleshooting skills
• Self-learner of new technologies
• Good team player with excellent communication and problem solving skills

TECHNICAL SKILLS:

Industries: : Retail, Food, Media, Health, Insurance and Education

Operating Systems: : iOS, MacOS, Windows

Languages: : Objective - C, Swift 3.0, HTML5/CSS3/Javascript, jQuery

Tools: : Xcode 8, Instruments, CocoaPods, GIT, SVN, Eclipse

Frameworks/Libraries: : Cocoa Touch, UIKit, CorePlot, CoreData, CoreLocation, XCTest

Methodologies: : Agile, OOAD, MVC

PROFESSIONAL EXPERIENCE:

Confidential, Denver, CO

iOS Lead / iOS Architect

Responsibilities

• Led a team of five offshore iOS developers and helped the customer build their flagship application right from the scratch
• Participated in meetings with customer on a regular basis to gather requirements and help them shape their roadmap
• Participated in other scrum ceremonies like daily scrum, sprint planning sessions and sprint retrospectives
• Help the team pull through the sprint to meet deadlines and prepare for weekly demos with the customer
• Writing code conforming to architecture standards like VIPER and other Swift coding standards
• Review pull requests from other developers and giving them directions in terms of code architecting, modularizing and writing clean code
• Used popular third party open source frameworks to cut down the development time wherever possible.
• Writing unit test cases using mock objects
• Using latest features of Swift language like Codable to the best advantage for writing clean JSON parsing code.
• Repository and branch management
• Releasing / Deploying builds for the QA team to test on a regular basis
• Addressed technical challenges and optimized the application to deliver better performance to the end user
• Ensured the team always uses the latest development tools like XCode and latest version of the programming language
• Collaborating with the design team on a regular basis to understand the customer needs and provide a better UI / UX
• Prioritizing the bugs logged by QA team and fixing them based on the severity
• Documentation of code and webservices consumed.

Environment: & Tools Used: Swift 4.1, iOS 11.3, Xcode 9.3, VSTS, GIT, Confluence, XCTest, XCUITest, Hockey, CocoaPods, Carthage

Confidential, Mayfield, OH

Sr. iOS Developer

Responsibilities

• Worked with business development and sales team to gather new requirements
• Understanding the existing source code architecture to build more features on top of it
• Developed modules using Xcode 8, Objective-C, Swift 3.0, CocoaTouch frameworks
• Leveraged on design patterns like Delegation, Singleton, MVC
• Worked closely with design team and developed impressive UI using native components like UITableViews, UIStackViews
• Leveraged on AutoLayout, Constraints and Size Classes to create adaptive UI
• Used NSOperationQueue and NSURLSession to talk to the backend API
• Made use of NSJSONSerialization to parse the JSON response from the REST API
• Used MFMailComposeViewController to enable email communication between customer and the agent
• Worked on a feature that enables the customer take pictures and submit them to Progressive
• Performed enhancements and resolved bugs on the existing UI
• Managed GIT repository ensuring proper merging of branches, resolving conflicts
• Provided inputs and suggestions to peer developers after code review
• Tested the application for potential memory leaks using the in-built Xcode tools like Leaks and resolved issues like circular referencing.
• Deployed the application on different iPhone devices and tested to ensure consistency
• Involved in unit testing of application using XCTest and UI testing XCUITest
• Troubleshooting any bugs assigned over JIRA
• Integrated third party frameworks like Crashlytics to capture crash logs

Environment: Objective-C, Swift 3.0, iOS 10, Xcode 8.0, GIT, JIRA, XCTest, XCUITest, Crashlytics, CocoaPods

Confidential, OakBrook, IL

Sr. iOS Developer

Responsibilities

• Worked on fixing the bugs assigned over JIRA
• Worked closely with QA team members to bring about a better application
• Incorporated Google Analytics iOS SDK via CocoaPods
• Implemented Screen Tracking functionality using Google Analytics SDK
• Implemented Event Tracking functionality using Google Analytics SDK
• Managing a JSON configuration file for generating builds specific to different GEOs
• Generating builds and deploying them on HockeyApp for testing
• Participating on weekly calls/meetings with QA and Product teams to discuss the existing bugs and arriving at right solutions.
• Implemented CoreLocation functionality to enable spotting the McDonald’s nearby
• Made the home screen carousel to render new images off a different CDN server
• Managed SDWebImage, a third-party image caching SDK
• Interacting with Android platform developers to ensure consistency
• Updating JIRA on bug status
• Code reviews before code check-in.
• Managing GIT repository, merging or resolving any conflicts whenever necessary
• Capturing any code changes in the documentation

Environment: Objective-C, Swift 2.0, iOS 8, Xcode 7.0, GIT, JIRA, XCTest

Confidential, Sunnyvale, CA

Sr. iOS Developer

Responsibilities

• Participating in weekly meetings to discuss the existing list of bug items and prioritize them
• Worked closely with the QA team members to understand the exact areas of issue while resolving bugs
• Understanding the existing source code architecture with the help of documents
• Complete study of the innovative FlowController architecture adopted in building this app
• Implemented new UI flows based on the FlowController architecture
• Fixing UI bugs and adding enhancements to the existing UI
• Fixing AutoLayout constraint issues while making changes to the Storyboard UI
• Reviewing other developers’ code on Crucible and providing suggestions for any improvements before check-in.
• Documentation of any changes made to the code, UI changes or bugs fixed, using Confluence
• Updating Radar tool on bug status
• Testing the application on device to ensure the bug has been resolved
• Checking for potential memory leaks originated from code refactor, using Instruments/Leaks

Environment: Objective - C, iOS 8, Xcode 6.1, SVN, Radar, Crucible, Confluence, Storyboards, AutoLayout

Confidential, SanDeigo, CA

iOS Developer

Responsibilities

• Worked closely with the QA team to fix the UI bugs
• Participating in weekly meetings to discuss the existing bugs and prioritize them
• Updating bug status in JIRA
• Understanding the MonkeyTalk automation framework
• Setting up the MonkeyTalk automation framework inside the iOS project
• Setting up the Eclipse environment and in corporate the MonkeyTalk Java libraries
• Writing MonkeyTalk interfacing methods in Objective-C to invoke different methods to be tested across modules
• Writing test case methods using MonkeyTalk Java libraries that would trigger the MonkeyTalk interfacing methods setup already
• Configuring the IP address of the device under test and other parameters in a configuration file used by MonkeyTalk Java libraries.
• Setup a mock server environment running web services and database to run all the unit tests.
• Added new options to the existing settings menu built using UITableView
• Integrated the application with a REST webservice that renders device compatibility information based on the target OS version and the current application version

Environment: Objective - C, Java, iOS 8, Xcode 6.1, GIT, JIRA, Eclipse, MonkeyTalk, JENKINS

Confidential, Irvine, CA

iOS Developer

Responsibilities

• Worked in a fast-paced, Agile environment
• Participated in daily stand up calls and provided status updates
• Participated in weekly Sprint meetings and helped product manager create user stories
• Participated in Sprint retrospective meetings to discuss any change of strategies
• Completed the product backlog tasks assigned via JIRA
• Update the task/bug status in JIRA
• Developed a feature that the user can use to fetch their credit score information by answering a few identity verification questions
• Demonstrate the feature developed in dry-run sessions
• Integrated the application with Confidential ’s intelligent core backend services
• Integrated the application with social media platforms like Facebook
• Utilized NSJSONSerialization API to parse the JSON response from the webservices
• Implemented AES encryption for storing credit card information using a third-party library
• Implemented In-App purchase feature
• Created a dynamic UI that relied on the webservice responses to render its elements on the screen
• Managed third-party libraries using CocoaPods
• Wrote Unit Test Cases using XCTest and OCMock frameworks
• Worked with QA team to fix all the bugs reported.
• Collaborating with Product team/Product Manager to bring the application to a good shape
• Worked with Information-Security team to ensure compliance to PCI standards
• Tested the application for potential memory leaks using Instruments/Leaks
• Documentation of code changes made/new features developed using Wiki

Environment: Objective - C, iOS 7, Xcode 5, SVN, Wiki, JIRA, XCTest, OCMock, Crashlytics, CardIO, CocoaPods, Agile Scrum

Confidential

iOS Developer

Responsibilities

• Worked closely with the client and gathered requirements
• Worked as a sole front-end developer and developed code from the scratch in Objective-C
• Integrating the application with a SOAP based webservice developed in JAVA
• Frequently interacted with the backend developers to discuss the necessity of any additional webservices and how to go about with the implementation
• Collaborating with QA team members to fix critical bug items
• Developed a single universal source code that could work seamlessly across iPhone/iPad devices
• Created NIB files for iPhone and iPad devices and ensured the right ones are loaded when required
• Implemented lazy-loading mechanism using GCD to download the images off the network and render it on the UITableView
• Implemented Pull-To-Refresh control in UITableView to help the user access the latest data
• Implemented Push Notification to notify the user on the availability of latest feed
• Discussed potential implementation challenges and design strategies with the Solution Architect
• Code architecting adhering to design patterns like OOPS, MVC and Delegation
• Ensuring compliance to Confidential ’s HIG while designing custom bar buttons and icons
• Deploying the application in UAT/Production servers over Tomcat container
• Created AntScript to automate build and deployment process.
• Provided maintenance and support while the app was live
• Worked closely with the UI/UX designers to prepare the essential graphic assets
• Added enhancements and other UI embellishments

Environment: Objective - C, iOS 6, Xcode 4.6, SVN, GIT, JIRA

Confidential

iOS Developer

Responsibilities

• Requirement Analysis
• Architecting the source code adhering to the OOPS methodologies.
• Code development from the scratch
• Created custom animation using UIView Animation
• Collaborating with design team
• Working on the changes / improvements recommended by the team lead
• Publishing the app on the app store
• Code check-in and managing the Git repository
• Documentation

Environment: Objective - C, iOS 3.1, Xcode 3.2

Confidential

iOS Developer

Responsibilities

• Requirement Analysis
• Architecting the source code adhering to the OOPS methodologies.
• Code development from the scratch
• Created custom animation using UIView Animation
• Collaborating with design team
• Working on the changes / improvements recommended by the team lead
• Publishing the app on the app store.
• Code check-in and managing the Git repository
• Documentation

Environment: Objective - C, iOS 3.1, Xcode 3.2