PROFESSIONAL SUMMARY:

• Experience in both Swift and Objective - C coding using Xcode IDE to develop iOS mobile apps.
• Experience developing iOS mobile apps from scratch as well as major revisions, updates and overhauls of existing iOS mobile apps.
• Adept at integrating various native and 3rd party frameworks such as CoreLocation, MapKit, XCTest, CoreGraphics, CoreData, SQLite, Google APIs, Social Framework, CoreAnimation, AVFoundation, UIKit, EventKit, CloudKit, Core Bluetooth, etc.
• Detail oriented developer with experience in the entire software development life-cycle. Including requirements gathering, design, development, testing, debugging and maintenance.
• Seasoned in the use of Interface Builder to build UI/UX via Storyboards and XIBs, and using AutoLayout in conjunction with size classes to optimize apps for the iPhone and iPad.
• Adept at developing various unit tests using the XCTest framework to ensure clean and stable code.
• Experience with Swift, Objective-C, Xcode, iOS versions, debugging tools, memory management, multi-threading techniques, UI design
• Familiar with the use and integration of CoreData, SQLite, UserDefaults, Settings Bundle, Plists, Documents Directory and Codable & Arching/Unarchiving to store application data persistently.
• Integrated RESTful APIs to provide external services to the application.
• Experience with MVC.MVP, and MVVM mobile app architecture and object oriented (OO) principles in iOS.
• Familiar with OOP design patterns such as Singletons, KVC, KVO, Notifications, Protocols, Delegation, etc.
• Experienced with various methodologies such as Test-Driven Development (TDD), Sprints, and Agile / SCRUM methodologies
• Strong written and verbal communication skills.

TECHNICAL SKILLS:

Programming Languages: Swift Swift 5.0, Objective C, HTML/CSS, JavaScript

UI/UX: Sketch, AdobeXD, InVision Studio

Databases: Core Data, SQLite for persistence, and NoSQL for storage, NoSQL

Frameworks: RxSwift, RxCocoa, Various Rx frameworks, CocoaTouch, CocoaPods, CoreLocation, CoreBluetooth, Foundation, UIKit, CoreGraphics, MapKit, XCTest, Social Networking APIs, CloudKit, EventKit, QuartzCore, UIDynamics

Web Services: RESTful, SOAP, JSON, XML

IDEs: Xcode, NetBeans

Libraries: AFNetworking, Reachability, Alamofire, JSONSerialization, NSXMLSerialization, Apple Push Notification (APNS), UserDefaults, NotificationCenter, OperationQueue, MessageUI, AddressBook

Dependency Injection: Setter, Interface, Constructor, Swinject

Threading: GCD, NSOperations

Versioning Tools: GIT, SourceTree, Tower, GitHub

Methodologies: Agile, MVC, TDD, SCRUM, Categories, Blocks, Continuous Integration, Delegation, Singleton, KVC, Notification, Push Notification, Localization

Project Tools: JIRA, Confluence, Kanban, Basecamp, Slack

Architecture: MVC, MVP, MVVM and Complex Patterns

Design Patterns: Builder, Abstract Factory, Visitor, proxy, Interpreter, Singleton, Decorator, Observer, and more.

UI/UX: Storyboards, AutoLayout, Interface Builder, Programmatic UI Implementation, Sketch

Tools: NSPredicate, Operations, JSONSerialization, NSXMLParser, GCD, Instruments - Allocations, Leaks, Zombies, LLDB, CocoaPods, Carthage, Firebase

PROFESSIONAL EXPERIENCE:

SENIOR IOS MOBILE APP DEVELOPER

Confidential, San Francisco, CA

Responsibilities:

• Completed quantitative research for new UI designs.
• Created user personas to personify users’ needs.
• Designed both low fidelity and high-fidelity wireframes in Sketch.
• Implemented accessibility code for users with audio and visual impairments which helped Confidential win a JD Power and Associates Award.
• Implemented API calls to the MoM server to retrieve users personal and account information.
• Used Crashlytics framework within the app to monitor the crashes during development.
• Used Sourcetree and Bitbucket to pull code and make changes and push the code back.
• Worked with MVVM, Delegation, Notifications, KVC, and Singleton design patterns.
• Developed navigation between views using UISplitViewController.
• Created custom framework to build the Charts within the app.
• Kept project manager apprised of status of all tasks and maintained communications with Product Manager.
• Installed Jenkins plugins to work along with Xcode to run the SDK for Continuous Integration to test the test cases written using XCTests.
• Used Jira for tracking issues and picking tasks from the backlog to work on.

SENIOR IOS MOBILE APP DEVELOPER

Confidential, Bentonville, AR

Responsibilities:

• Refactored the Code of three different concepts into a single codebase and Wrote clear, modular, and effective code using a MVVM architecture pattern.
• 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.
• Provided technical assistance in identifying, evaluating and developing agile methodologies and procedures that are efficient, effective and meet good business practice.
• Used Cocoa Pods library and UIKit Framework, Foundation Framework and CoreGraphics Frameworks.
• Provided technical supervision and assistance to the team and drove the project deliverables.
• Participated in Sprint Review meeting where we discussed the progress of the project and take the necessary steps for the project to be completed successfully.
• Used Core Data to perform the persistence of data and used versioning for Core Data changes.
• Implemented consumption of RESTful Web Services using AlamoFire.
• Managed the work log and following the schedule to ensure completion of projects before deadline.
• Managed App bandwidth and memory usage while optimizing code to reduce total data costs.
• Used GitHub to pull code and make changes and push the code back.
• Libraries used included Foundation Framework, MapKit, JSON parsing, and UIKit Framework.
• Core Data was used for data persistence and to Key Chain for login.
• Kept project manager apprised of status of all tasks and maintained communications with Product Manager.
• Integrated the barcode scanning functionality in the app.
• Worked with MVVM, Delegation, Notifications, KVC, and Singleton design patterns. working of apps.
• Used Crashlytics framework within the app to monitor the crashes during development.

IOS MOBILE APP DEVELOPER

Confidential, New York, NY

Responsibilities:

• Prompt in handling Custom Menus, Dialogs and creating Image Views.
• Project managed using Agile/SCRUM methodology; Code delivered in 4 week sprints.
• Performed requirement analysis, code optimization, bug fixes, functionality evaluation and application.
• Participated in Agile Sprint planning meetings with the iOS development team.
• Installed Jenkins plugins to work along with X code to run the SDK for Continuous Integration to test the test cases written using XCTests.
• Integrated Crashlytics with- in the app as a crash reporting solution.
• Integrated Facebook login in the sign up and sign in process.
• Used GIT for maintaining the versions of the source code
• Used RestKit library to make connections to server, and handle authentication challenges.
• Worked with GDB and Xcode for debugging
• Designed signup page and done validations for all fields
• Developed critical tools for this project like customized navigation bar, page control and scroll view.
• Performed thorough analysis and debugging in X-Code.
• Designed and defined the Storyboards for app content, flow, view control.
• Developed the App using Cocoa Touch frameworks on UIKit.
• Added animation between UI Views for smooth transition and better user experience.
• Improved search results and searching capabilities of locators and other such information.
• Updated online user ID and password fields to allow special characters to be used.
• Used several methods for testing and tracking of applications like kiwi.

IOS MOBILE APP DEVELOPER

Confidential, Mountain View, CA

Responsibilities:

• Redesigned a completely new layout using UICollectionview and AutoLayouts for iOS.
• Project development team fluctuated between of 3-5 other iOS developer, and 2 back-end developers.
• Profiled the application extensively using Instruments to improve performance throughout multiple sprints profiling.
• Worked with Swift code and AlamoFire for RESTful Web Consumption.
• Participated in Daily Scrums to discuss the progress in the sprints.
• Performed external testing using TestFlight extensively.
• Integrated the Google Analytics SDK to the iOS Mobile Apps for tracking in app data and user movement.
• Integrated various RESTful web services calls to application using asynchronous NSURL calls.
• Interacted with SCRUM team developers, programmers, tester, product owners and stake holders to deliver right value of the project at the end of each sprint.
• Maintained source code version control in both local and network repositories using a private Git server with Jenkins CI.
• Modified and refactor existing code.
• Modified the shake gesture using UIPickerView and provided lock feature.
• Worked on implementing several design patterns like Singleton, architecture on MVVM pattern with Data model classes and several Categories were made to the existing classes.
• Integrated a web-based content made with HTML on a Native application using UI Web View.
• Implemented UIScrollView to show the information about the usage of application.
• Reworked the user settings page, using AutoLayout and NSUserDefaults
• Updated and created Core Data handlers to properly filter products when searching
• Evaluated technologies for possible inclusion in the app, and made decisions on which technologies, frameworks and design patterns to use.
• Supported QA with bug fixes, test case creation and triage meetings.
• Fixed bugs using GDB and LLDB statements.
• Developed navigation between views was mixture of using UINavigationController, UIGestureRecognizer, and UIPopoverController
• Developed new components like infinite scrolling section for sliding table view
• Technical integration is achieved for site implementations.

IOS MOBILE APP DEVELOPER

Confidential, Carson, CA

Responsibilities:

• Resolved numerous defects quickly by debugging the code using breakpoints, logs and Xcode instruments
• Worked with Hockey App and TestFlight as well as XCTest Unit Test in creating and running tests for QA.
• Worked with QA testers to ensure resolution of all issues and UI/UX features requested by the QA testing team.
• Managed data and memory management from streamlining code and using various debugging tests.
• Integrated the Google Analytics SDK to the iOS Mobile Apps for tracking in app data and user movement.
• Installed Jenkins plugins to work along with X code to run the SDK for Continuous Integration to test the test cases written using XCTests.
• Used Jira for tracking issues and picking tasks from the backlog to work on.
• Helped write user stories and epics in Jia.
• Used Stash and Confluence for team tools.
• Interacted with QA on deliverables on every iteration and customer feedback implementation.
• Worked with Obj-c and Swift hybrid code bases; practical experience working with bridging header files and minor issues with a dual language code base.
• Used Cocoa Touch Frameworks like Core Graphics, UIKit, Core Audio, SystemConfiguration, Core Location, Core Data,, Mapkit, Social, Security, OpenGL ES Animation and MessageUI.
• Provisioned, compiled, and managed apps for Adhoc and app store distribution; usage of Test Flight and Hockey App.
• Achieved the same functionality provided by Codable/Decodable by using ObjectMapper for mapping JSON responses

JUNIOR MOBILE APP DEVELOPER

Confidential, Salt Lake City, UT

Responsibilities:

• Provisioned, compiled, and managed app and implemented Test Flight and Hockey App for quality testing.
• Resolved numerous bugs and crash scenarios using NSLogs, Breakpoints, Instruments and LLDB statements.
• Practiced relevant Agile Scrum development methodologies and worked daily with Git and Jenkins Continuous Integration server with Test Driven Development (TDD).
• The iOS development team worked in 2-week sprints and used Atlassian software for project: JIRA, Stash and Confluence.
• Native Development of Universal app to support both iPhone and iPad using Swift and Objective-C
• Participated in peer code reviews.
• Performed database operations like Insert, fetch, update and delete data.
• Provided system support after hours as necessary.
• Worked to develop the iOS mobile app in Xcode with coding in Objective-C and Swift.
• Used Core Data and SQLite database to store data on Apple mobile devices.
• Refactored RESTful requests from NSURLConnection to NSURLSession to be compatible with iOS standard.