SUMMARY

• Experienced developer with over 8 years’ experience developing iOS applications using Swift, Objective - C, and Xcode.
• Experienced in multiple versions of Swift, current with new developments and releases.
• Experienced Lead Developer who works well with internal and external team members, both remote and on-site, and embraced team diversity.
• Experienced in development of successful consumer-facing iOS mobile apps.
• Experienced in quality code metrics and use of quality guidelines to produce high quality code that is sound, consistent and sustainable.
• Experienced quality reviewer, coordinating code walk-throughs.
• Implemented applications using Storyboard, Xibs, and programmatically UI building.
• Full software development life cycle (SDLC), including coding standards, code reviews, source control management, build processes, testing, and operations.
• Experienced collaborative team member who mentors and supports team members, assists in code reviews and gains cooperation of stakeholders.
• Experienced consuming REST and SOAP services and using AFNeworking and AlamoFire, NSURL Connection to update application with new data.
• Experienced with MVVM architecture and object oriented (OO) principles in iOS
• Experienced with layouts that handle phone and tablet resolutions
• Experienced with iOS performance profiling tools
• Experienced with continuous Integration, Jira,
• Experienced investigating and debugging issues in iOS mobile applications.

TECHNICAL SKILLS

Languages: Swift, Objective-C

Databases: CoreData

IDE: XCode, Eclipse

Operating Systems: iOS, watchOS, Windows, Linux, MacOS X

Version Control: Git, GitHub, SourceTree, Subversion (SVN), IBM Team Concert

iOS Frameworks: CoreData, Cocoa Touch, CoreLocation, CoreBluetooth, MapKit, UIKit, QuartzCore, XCTest

iOS Tools: XCode, Simulator, Instruments, CocoaPods, Firebase

Testing and Issue Tracking Tools: JIRA, Jenkins, TestFlight, XCTest, TDD, Unit Testing

Design Patterns: Model View Controller (MVC), Model View ViewModel (MVVM), Observer, Builder, KVO, KVC

Networking: RESTful, SOAP, JSON, XML, AlamoFire, AFNetworking

Operating Systems: Windows, Linux, Ubuntu, MacOSX

Other: Security, Silverlight, JSP, WCF, Angular.js, Boostrap

PROFESSIONAL EXPERIENCE

Senior iOS Software Developer

Confidential, Mountain View, CA

Responsibilities:

• Worked in a development environment of Swift 5.1 using Xcode 11.1 and Realm.
• Coded the iOS applications in Swift 4 and Swift 5 using Xcode IDE with Interface Builder and Storyboards.
• In-charge of ‘First Time Use’ screens, built with a UIPageViewController and implemented using designs provided.
• Handled UI using both Storyboard and programmatically.
• Implemented SwiftLint to the project target.
• Acted as tester and joined test jams to check the status of the project.
• Actively engaged in troubleshooting and bug fixing.
• Worked on a team of 8 - 12 people; with 3 project management, 3-6 iOS developers, 3 backend developers following Agile Scrum development and attended daily scrums and Confidential planning meetings.
• The team used JIRA to track work and GitHub and SourceTree to manage code-base, commits and branches.
• Worked on cross-project tasks with tasks in multiple projects in the same Confidential .
• Worked using MVC and MVVM architecture with a coordinator pattern.
• Used Codable protocol for parsing JSON.
• Ensured application supported a variety of devices ranging from iPhone SE to iPads by using Size Classes
• Mentored other developers who are learning mobile programming.
• Used GCD for multithreading to make sure not to lock up the main thread.
• Migrated ‘First Time Use’ screens to another project as well.
• Made sure that we are compliant to the rules and regulations set by US law.
• Gave inputs/suggestions on the tone of pages as well as some design factors.
• Creation of multiple pages, including ‘About’, ‘Settings’ and ‘Feedback’
• Created a link to go to feedback page and connected the survey feedback to our Slack channel.
• Responsible for cross-functional project setup.
• Released Version 0 to beta users and provided feedback on the applications roadmap.
• Presented the screens created to the team

Senior iOS Developer

Confidential, San Francisco, CA

Responsibilities:

• Worked in Xcode to develop the iOS mobile app in Swift for new features and refactoring some legacy Objective-C code in the hybrid code-base with bridging headers.
• Designed screens for IPhone using storyboard and AutoLayout constraints in view controllers
• Implemented CoreLocation/Location Manager tweaks to fully support changes in iOS, namely always vs while in use authorization
• Consuming Restful web services and getting them in JSON format and displaying data in the view controllers.
• Validated Users based on their username and password.
• Stored log details into the database using API's and retrieving them back in log data
• Helped revamp the entire framework for delivering API requests and user data and turned it into a CocoaPod, written in Swift, that the entire development team can use
• Implemented User notifications when user has completed the trip to show trip details.
• Designed and customized mockups before starting the actual development.
• Integrated iPhone application with applications across all aspects of the client: user input, protocols, performance, memory management, debugging.
• Validating Users based on their username and password.
• Designed icons and images that are required for App using Sketch
• Implemented User notifications when contractor responds to message.
• Designed and customized mockups before starting the actual development.
• Integrated iPhone application with applications across all aspects of the client: user input, protocols, performance, memory management, debugging.
• Worked with server team to improve data consumed from API’s for internal libraries and development
• Used Jenkins CI and Git for continuous integration testing and used SourceTree to manage Git code repository.

Senior iOS Developer

Confidential, New York, NY

Responsibilities:

• Developed in Swift using Xcode and used various native and third-party frameworks in an MVVM architecture.
• Created view animations using UIAnimation classes and QuartzCore framework.
• Created Custom UITableView cells to accommodate the UX/UI requirements.
• Built iOS Storyboards and established IBOutlet, IBActions, create and perform segues between Mobile Application Developer - iOS different scenes in the storyboard.
• Involved in the Analysis, System study and designing of the project.
• Coordinated with onsite team and client in understanding the requirements and business logics.
• Used AVFoundation for audio-video playback and management.
• Designed UI using Storyboard and Auto Layout constraints.
• Implemented Navigations between views for the view controllers using Segues.
• Followed the Apple UI guidelines throughout the project.
• Utilized CoreData for persistence of data and used versioning for data changes.
• Implemented UIScrollView to show the information about the usage of application.
• Worked with UIKit Framework for development and maintenance.
• Managed GitHub repository creating branches doing merge, pull request and releases.
• Worked as a member of iOS development team following Agile Scrum practices and participating in daily stand-ups, bi-weekly sprints and code reviews.
• All web communications are performed in background threads to enhance performance and the user experience.
• Utilized GCD/NSOperation multithreading techniques for downloading images on background thread as to not lock up the UI and ongoing animations
• Implemented logic to connect to server in order to download document data using GCD

Senior iOS Developer

Confidential, Overland Park, KS

Responsibilities:

• Coded the application in a hybrid code-base fo Swift and Objective-C using bridging headers.
• Worked to develop the application using Xcode, and managed Git code repository with SourceTree with a Jenkins CI.
• Invoked RESTful web service calls using AFNetworking framework; POC’s made in Swif
• Wrote web services to interface with the iOS Mobile App. All web services are RESTful and use Open Authentication to implement a secure environment.
• Refactored RESTful requests from NSURLConnection to AlamoFire to be compatible with iOS7+ new standard.
• Worked with MVVM architectural pattern and Delegation, Notifications, KVC, and Singleton design patterns.
• Key contributor to brainstorming sessions for iOS app enhancements, features and fixes.
• Active in leading and mentoring other team members.
• Adapted Core Animation and CALayer to crop and animate images over videos.
• Applied new layout, refactored source code, reduced app size, fixed memory leaks, reviewed source code, and optimized performance. Wrote unit test. Managed project configuration.
• Assisted in running various Agile project management meetings ( Confidential Planning Meetings, Scrums, etc.
• Built wireframes for app designs, Coding of applications, Built application test framework with UI Automation.
• Built, tested and deployed a scalable and modular application. Also modified existing software to correct errors, improve performance and adapt to new versions of iOS.

Senior iOS Developer

Confidential, San Francisco, CA

Responsibilities:

• Worked on the iOS mobile app in Xcode with Objective-C and started transitioning code and developing new features in Swift.
• Collaborated with design and marketing team on look and feel of mobile app.
• Collaborated with design team, QAs, scrum master and product owner to implement enhancements or new applications during daily standups, Confidential planning and Confidential retrospectives.
• Collaborated with internal and external teams - Product Managers, Engineers, Designers, and Marketers to conceptualize, build, test, and realize new features.
• Connection to web service was achieved using GCD. Delegate methods implemented to handle reception of response, data, error, and load finish.
• Continuous integration and deployment, and unit testing using the tools like Rally Dev, Cornerstone, Core, and Jira.
• Coordinated with project manager and lead developer to design and develop a public facing iOS application.
• Core Location framework was integrated into project to allow user to find closest location.
• Created and customized views, table views, tab bars and navigation bars, which are some basic functionality in a multi-view application.
• Created customized and sophisticated UI/AX elements that prioritize user experience (UX).
• Created notifications to detect the autorotation in the customized sub views.
• Created models in MVVM and development of delegates for updating model information.

Senior iOS Developer

Confidential, New York, NY

Responsibilities:

• Worked on the iOS app in Xcode iDE and developed entirely in Objective-C with native iOS libraries and frameworks.
• Worked in an Agile environment, with daily scrum, two week sprints, Confidential planning, and retrospectives.
• Worked with Core Data to prepopulate UITextfields with persisted data received in prior web service calls.
• Design and Develop persistent data layer using Core Data.
• Design Core Data objects and use NSOperations to get all GPS coordinates and trip information using encryption AES 256 to store the information.
• Enhanced and optimized map functionality using MapKit, CoreLocation, and MKAnnotations
• Implemented many OOP and patterns like MVC, KVO and Singleton.
• Took part in full Software Development Lifecycle of multiple applications from concept to production.
• Utilized Instruments, Crash Logs, LLDB statements, NSLog statements, and Breakpoints to resolve various issues and bugs brought to attention by QA team.
• Fixed memory issues by using Instruments, most notably using the Allocations and Time Profiler tools.
• Worked through Issues and Backlog tasks pulled from JIRA.
• Used Trello for iOS team communications.
• Integrated Touch ID capabilities, using Local Authentication
• Added integration of time and deadlines using EventKit, with Apple Push Notifications to alert users.