SUMMARY:

• Over 6 years of experience in iOS application development.
• Developing applications on iOS platform with maximum efficiency and low bug rate.
• Proficient in object - oriented programming in Objective-C & iOS SDK 6.0 and above versions.
• Integrating Apple Push Notification Service APNS .
• Good knowledge on Static Libraries and Framework development.
• Good knowledge on Core Data for data persistence.
• Experience on integrating PromiseKit for asynchronous patterns.
• Good knowledge on design patterns like MVC, Singleton, KVO & KVC, Delegation, Observer, Target-Action and Facade.
• Experienced in using SQLite to cache the data received from the RESTful web services and managed the data.
• Good Understanding of the following Frameworks: iPhone SDK, UIKit, SQLite, MapKit, WebKit, AV Foundation, Core Data, Core Location, Address Book and Third-Party frameworks.
• Proficiency with memory management - Manual Reference Counting (MRC) and Automatic Reference Counting (ARC).
• Having good understanding of RESTful and SOAP APIs and web services.
• Good knowledge on Cocoa pods for library dependencies.
• Experienced in working with various data parsing forms to dynamically display data on iPhone/iPad such as XML and JSON.
• Strong Understanding of the iOS Provisioning Portal viz. Obtaining Development Certificate, Assigning Devices and Installing Development Provisioning Profiles.
• Good knowledge on App Distribution (TestFlight, Ad-hoc, Drop box) and Deployment/Updates to App Store, and App Store Guidelines.
• Good knowledge on Interface Builders with Constraints for Universal Platform Development.
• Have Knowledge of file sharing sites like GitHub, SVN.
• Experience of SDLC (Agile, RUP, Iterative, SCRUM) including SRS, Design & Analysis, Development, Implementation, Build, Deployment, Version Controlling, Testing & Post implementation and UAT issues support, migration and conversion of existed project.
• Problem solving oriented, able to coordinate the analysis and production of a development team with good interpersonal and negotiation skills.
• Experience in requirement analysis, Object-Oriented Analysis and Design, Project Planning, Architecture and Management.
• Possess’ expertise in Object-Oriented Analysis/Design.
• Experience with source control tools like SVN, Git.
• Experienced with Atlassian JIRA establishment, upkeep and organization.
• Experienced in contributing to the development of the iOS application by fixing bugs and enhancing the responsiveness.
• Passionate, self-motivated, dedicated and very good team player with excellent communication skills including mentoring and presentation skills. An excellent team player with good organization, communication and presentation skills.
• Ability to adapt new changing technologies faster.

TECHNICAL SKILLS:

Operating Systems: Mac OS, Windows, Linux, Unix.

Programming Languages: Objective C, Java, JSON, HTML, CSS, SQL, Swift 3.0.

Methodologies/Frameworks: Cocoa Touch and Cocoa, Quartz Core, Media Player Framework, NFC, XML, JSON, Basic JSON

Databases: PostgreSQL, MySQL, MongoDB, SQLite, Core Data

Source Control Tools: GitHub, Tortoises SVN

IDEs: XCode, Eclipse, Visual Studio

Frameworks / APIs: Cocoa Touch, Foundation, UIKit, Core Graphics, Core Data, Core Plot, External Accessory, Core Bluetooth, Google Protocol Buffers, C Standard Library, Win32 APIs, OpenGL ES

PROFESSIONAL EXPERIENCE:

Confidential, Alpharetta, GA

iOS Developer

Responsibilities:

• Designed and Developed the Mobile Application using Swift 3.1
• Collaborated with cross-functional teams to define, design, and ship new features.
• Customized various View controllers, NavigationControllers, SegmentController.
• Used UIelements like UIButton, UI TabBar, UINavigationView, UIAlertView and UITableView to build the user interface of the app.
• Created models in MVC and delegates development for updating model information.
• Involved in Development by adhering to the Coding Standards using Objective C, XCode 7.x/8.x, CoreMedia, CoreData, Core Graphics, and Core Animation, Photo & Video API's Frameworks.
• Used Grand Central Dispatch (GCD), NSOperation queues for implementing complex multithreading features on the application and NSJSONSerialization to retrieve data for display on the iPhone/iPad from server using RESTful web services.
• Used Testflight application to distribute builds to the testing team.
• Used NSOperation to create thread safe structure for UI, priority and memory management.
• Used Agile tools like JIRA for Bug Reporting and Regression Testing and User Acceptance testing (UAT) and production builds test cycle for delivering effective product.
• Used NSUserDefaults, Multithreading, info.Plist key values, Core Data, and SQLite in our iOS mobile development project.
• Saved user preferences and details using CoreData.
• Queried CoreData database to get information to render graphs.
• Interacted with TestFlight adding internal and external beta testers and distribution of the App on the App Store.
• Used Appium testing tool for mobile and web, which internally uses Selenium.
• Used JENKINS to achieve Integration and Continuous deployment.
• Started enhancing the iOS mobile application to Xamarin.iOS using C#.
• Implemented the Xamarin Insight for crash reports and events for monitoring the app across App Store.

Environment: iOS 10.2.x (iPhone SDK), Mac OS X, Objective C, Xcode 8, Cocoa Touch, Cocoa framework, iPhone Simulator, HTML, XML, JSON, GitHub, HTML5, CSS3, C#, Xamarin.Forms, Xamarin.iOS, Xamarin.UITest, CoreData,Test Cloud.

Confidential, Denver, CO

iOS Developer

Responsibilities:

• Worked extensively with Objective C and Cocoa frameworks.
• Responsible for designing an Intelligent Asynchronous Cache Manager to separate the UI code from Service call Code.
• Responsible for Creating Models and Services in conformance with the WSDL's provided.
• Responsible for Service Integration Development and Testing.
• Web services deployment and testing on rest client.
• Created the complete database using core data.
• Complete implementation of the retrial mechanism.
• Beta testing of the application via test flight.
• Publishing the application on App store and then pushing updates after every sprint release.
• Designed the complete MVC flow for the application with UI components and controllers to be used for iPhone.
• Complete data base designing for both android and iPhone
• Developed critical tools for this project like customized navigation bar, page control and scroll view.
• Worked with UIKit Framework for the applications at hand.
• Worked extensively on table view controller and made customized table view cells according to the client
• Pre-fetching data for different views for smooth screen transitioning.
• Followed a work data flow principle for design and development.
• Worked closely within a cross functional team of testers and developers.
• Worked on web service calls, XML and JSON parsing included in the project.
• Worked with UIKit Framework for development and maintenance.
• Reported progress/challenges to onsite project lead.

Environment: s: iOS, Mac OS X, Objective C, XCode 4.6 and 5.0, Agile Methodology, HTML5, CSS, REST, JIRA, JavaScript, jQuery.

Confidential

iOS Developer

Responsibilities:

• Strong record in developing apps for iPad and iPhone.
• Worked closely with analysts, involved in requirement analysis, translated user specification into new code.
• Co-ordinated and worked with different application team at various levels for end-to-end integration of project.
• Exceptional ability to work in a fast-paced high-pressure environment and pioneered in handling technical problems.
• Trained in delivering high quality RESTFUL API’s with NOSQL databases like MongoDB and Neo4J.

Environment: Objective-C, XCode, iOS 8 SDK, Mac OS, JSON, Cocoa Touch Framework, Agile Development.

Confidential

iOS Developer

Responsibilities:

• Used AV Foundation Framework to record audio from the device.
• Implemented Dropbox API for sharing and backup.
• Implemented Core Data framework to store user Data.
• Implemented NS Operation Queue and NSURL Connection to integrate with backend web services.
• Implemented using Storyboard and ARC.
• Developed unit tests for testing specific functionality and logic.
• Fixed bugs as documented by QA team.
• Used Instruments to fine tune the app performance and memory management.
• Formatted the Data as per Business rule to display in UI.
• Followed a work data flow principle for design and development.
• Worked closely within a cross functional team of testers and developers.
• Debugging issues at onsite whenever required.
• Worked with GDB and XCode for debugging.
• Worked with Subversion to checkout and update the codebase changes.

Environment: s: iOS 7.0 and 6.0 (iPhone SDK), Mac OS 4. X, Objective C, XCode 4.6, Cocoa Touch, Cocoa framework, JavaScript, jQuery, Adobe CS5 Suite (Photoshop, Dreamweaver), MapKit, Core Location, and AVFoundation