SUMMARY:

• 7 years of overall experience in the software development field.
• 5 + years of experience developing iOS mobile applications using iOS Technologies and Xcode and 1 + year of experience working with android development teams.
• Responsible for translating client goals into achievable technical specifications.
• Worked on counseling and advising as well as the technology roadmap of multiple mobile projects.
• 2 + years of experience working with Swift, over 5 + years with Objective - C & 1 + years on Java.
• Proficient at API consumption using both XML and JSON. Made use of URLSession, URLRequest, NSURLSession, NSURLConnection, Alamofire and AFNetworking.
• Proficient at implementing Authentication mechanisms using Key Chain, Touch ID & Oauth2.
• High understanding on memory management (MRR & ARC).
• Worked with Core Location, MapKit & Google Maps to handle the user’s location and to display custom markers and annotations on a visual map.
• Good foundations with design patterns such as MVC, MVVM, MVP, Viper, Delegation, Notifications, Observer, Blocks, Façade, Adapter & Factory.
• Good foundations on multitasking with Grand Central Dispatch (GCD) and NSOperationQueue.
• Proficient at tracking bugs and issues using BreakPoints, NSLogs, LLDB statements in combination with different tools provided by Instruments.
• Made use of Auto layout with constraints using Storyboards, Xib files and Size Classes.
• Knowledgeable on persisting data making use of the following technologies: NSUserDefaults, Plists, File System, SQLite and Core Data.
• Knowledgeable on 3rd party libraries using Carthage & CocoaPods.
• Experienced on TDD environments using XCTest and OCMockito.
• Extremely passionate on the iOS field with hunger for knowledge and robust solutions.

TECHNICAL SKILLS

• iOS
• Android
• Swift
• Objective C
• Java
• Python
• Django
• PayPal
• Stripe
• Unity
• TDD
• Pair Programming
• MVC
• MVVM
• MVP
• Delegation
• GCD
• Concurrency
• API Consumption
• Mapkit
• Google Maps
• Core Location
• Push Notifications
• Continuous Integration
• Git & Subversion.

WORK EXPERIENCE:

Confidential, CA

Sr. iOS Developer

Responsibilities:

• Worked closely with the product owner to estimate the scope of the work in terms of resources and time as well as a clear roadmap for the future.
• Developed under the SCRUM Agile Framework with 2 week sprints.
• Version Control was achieved through a git private repository.
• Continuous Integration achieved with Jenkins.
• Usage of Core Data to persist trackable user blood pressure records and worked with child contexts in Core Data.
• Made use of the MVVM architecture with RXswift as a binding mechanism.
• Made use of Protocol Oriented Programming to solve multiple inheritance issues.
• API Consumption through URLSession with custom local data classes. JSON parsing with JSONSerialization.
• Lazy loading of images with NSOperationQueue.
• Unit testing with XCTest and Quick Nimble.
• Worked with Core Bluetooth to enable the heart data gathering from the wireless finger electrodes.
• Used proper data structures to interpret the services and characteristics from the peripheral device.
• Worked tightly to follow the FDA’s guidelines.
• Used size classes and programmatic constraints to offer responsiveness for multiple devices.
• Technologies: Swift, Jenkins, Core Bluetooth, GCD, Size Classes, Constraints, RXswift, MVVM, SCRUM, Git, Cocoapods, XCTest & Core Data.

Confidential, Atlanta, GA

Sr. iOS Developer

• Worked on designing the local data classes.
• Worked closely with the android team to coordinate common cross platform logic.
• Introduced some functional programming, making use of structs for immutability.
• Migrated from Swift 2 to Swift 3.
• Continuous Integration achieved with Xcode Server Bots.
• Used Key Chain and Touch ID for authentication.
• Made use of the MVC architecture with delegation, KVO and notifications as means of communication between classes.
• Version Control was achieved through a git private repository.
• API Consumption through URLSession with custom local data classes. JSON parsing with JSONSerialization.
• Developed under the SCRUM Agile Framework with 2 week sprints.
• Unit Testing of micro features with XCTest, worked under a TDD development environment.
• Used local model classes to represent API objects & parsed information with JSONSerialization.
• Worked with SSL to maintain the required encryption link between server and client.
• Used size classes and programmatic constraints to offer responsiveness for multiple devices.
• Made use of Cocoa pods to handle third party libraries.
• Technologies: Swift, Xcode Server Bots, GCD, NSOperationQueue, Size Classes, Constraints, XIB, Storyboards, MVC, Delegation, Push Notifications, SCRUM, Git, XCTest, UITableViewController & UICollectionViewController.

Confidential, Atlanta, GA iOS Developer

• Worked closely with the business team to translate ideas into technical solutions.
• Worked closely with the android team to coordinate common cross platform logic.
• Developed in Objective C with loosely coupled code.
• Made use of categories to extend the functionality of Objective C proprietary classes.
• Continuous Integration achieved with Jenkins.
• Used Key Chain for authentication.
• Made use of the MVC architecture with delegation, KVO and NSNotifications as means of communication between classes.
• Version Control was achieved through a git private repository.
• Developed under the SCRUM Agile Framework with 2 week sprints.
• Unit Testing of micro features with XCTest & OCMockito. Worked under a TDD development environment.
• API Consumption through AFNetworking with custom local data classes. JSON parsing with NSJSONSerialization.
• Worked with SSL to maintain the required encryption link between server and client.
• Made use of Carthage to handle third party libraries.
• Used size classes and programmatic constraints to offer responsiveness for multiple devices.
• Technologies: Objective C, MVC, AFNetworking, SSL, Jenkins, SCRUM, Categories, TDD.

Confidential, Atlanta, GA iOS Developer

• Responsible for the maintenance and update of the app.
• Implemented custom UIButtons through the app.
• Worked with UITableView with custom cells.
• Worked with UICollectionView with custom cells.
• Developed in Objective C with loosely coupled code.
• Made use of categories to extend the functionality of Objective C proprietary classes.
• Continuous Integration achieved with Jenkins.
• Made use of the MVC architecture with delegation, KVO and NSNotifications as means of communication between classes.
• Version Control was achieved through a git private repository.
• Developed under the SCRUM Agile Framework with 2 week sprints.
• Unit Testing of micro features with OCMockito. Worked under a TDD development environment.
• Made use of Core Location and MapKit to display user’s location in relation to the local map.
• API Consumption through NSURLSession with custom local data classes. JSON parsing with NSJSONSerialization.
• Worked with SSL to maintain the required encryption link between server and client.
• Used size classes and programmatic constraints to offer responsiveness for multiple devices.
• Technologies: Objective C, MVC, NSURLSession, SSL, Jenkins, SCRUM, Categories, TDD, XCTest, UITableView, UICollectionView, OCMockito.

Confidential, Atlanta, GA iOS Developer

• Worked with UITableView with custom cells.
• Responsible for the maintenance and update of the app.
• Implemented custom UIButtons through the app.
• Made use of categories to extend the functionality of some Objective C proprietary classes like NSString.
• Made use of the MVC architecture with delegation, KVO and NSNotifications as means of communication between classes.
• Version Control was achieved with SVN.
• Worked with GCD to handle concurrency and main UI events.
• Developed under waterfall management.
• Made Unit tests with XCTest.
• API Consumption through NSURLConnection with custom local data classes. JSON parsing with NSJSONSerialization.
• Used size classes and programmatic constraints to offer responsiveness for multiple devices.
• Technologies: Objective C, MVC, NSURLConnection, SVN, Waterfall, Categories, TDD, XCTest, UITableViewController, NSURLRequest NSJSONSerialization.