We provide IT Staff Augmentation Services!

Sr. Ios Mobile App Architect Resume

Atlanta, GA

SUMMARY

  • 9 + years of iOS mobile apps development experience, starting with iOS4
  • Proficient in understanding customer and business needs, as well as server/hosting requirements, data modeling, business logic and UX/UI design
  • Highly - experienced with design patterns such as MVC, MVVM, Delegation, Singleton, Categories, Notification, KVC, Blocks
  • Increased security practices.
  • Valuable experience in the entire software development life-cycle including requirements gathering, design, coding, testing, debugging and maintenance
  • Strong working noledge of Xcode, Cocoa touch, Objective-C, and iOS5 through iOS10
  • Experienced persisting data on device using SQLite, CoreData, Realm and NSUserDefaults
  • Experience integrating with multiple RESTful and SOAP web services, parsing JSON and XML, responses respectively
  • Constructed and implemented UI designs using Storyboards, XIB files and programmatic UI
  • Performed functional Unit Tests using the XCTest framework
  • Solid understanding and use of various iOS frameworks such as: UIKit, MapKit, Core Location, AVFoundation, Core Audio, Quartz Core, Security, Data Protection, SSZipArchive, Fabric/Crashlytics, Urban Airship, AFNetworking, Social Framework, Event Kit
  • Extensive use of Grand Central Dispatch (GCD) to perform tasks on different threads, allowing for a more lag free user experience
  • Experienced developing with Watch Kit and watches
  • Working experience in ARC, as well as the older, MRR for managing memory
  • Experience working with Swift 1 through Swift 3
  • Enthusiastic and willing to do watever it takes to make sure tasks are completed on time and to the highest standard

TECHNICAL SKILLS

Languages: Swift, Objective-C

Databases: SQLite, Core Data, Realm

Frameworks: Cocoa Touch, Core Location, Foundational, UIKit, Core Graphics, MapKit, XCTest, Google API, Facebook API, Event Kit, Watch Kit, Fabric/Crashlytics, SSZipArchive, Security Framework, Urban Airship, Fabric

Web Services: RESTful, SOAP, JSON, XML

IDEs: Xcode, Eclipse

Libraries: AFNetworking, Reachability, Red Laser, CocoaLumberJack

Version Control: GIT, SVN, SourceTree, Tower

Issue Tracking: JIRA

Methodologies: Agile, MVC, TDD, SCRUM, Waterfall-hybrid, Categories, Blocks, Continuous Integration, Delegation, Singleton, KVC, Notification, PUSH Notification, Localization

Analysis and Modeling: UML

Operating Systems: iOS4-iOS10, OS X, Linux, Windows.

Tools: Storyboards, Interface Builder, Separations, NSXMLParser, NSJSON Serialization, GCD, UI Refresh Control, NSURL Cache, Keychain, Instruments, Allocations, Leaks, Zombies, LLDB, CocoaPods, Flinto, Sketch

Data Persistence: SQLite, Realm, Core Data, NSUserDefaults

PROFESSIONAL EXPERIENCE

Confidential, Atlanta, GA

Sr. iOS Mobile App Architect

Responsibilities:

  • Managed the team in a full audit of the code base and planned the changes we wanted to make going forward.
  • Recommended methods, tools, frameworks, and technologies to best achieve the desired result.
  • Set-up and managed version control and continuous integration with a private GitHub and Jenkins.
  • Responsible for issue tracking and project management in JIRA Agile.
  • Developed and architected the application based on the MVVM architectural pattern.
  • Suggested diverse ways to improve work processes by implementing new features in the Agile system.
  • Developed improvements using Core Animation and Core Graphics.
  • Responsible for enhancing various modules such as the different views and user interfaces.
  • Collaborated with cross-functional teams to define, design, and ship new features.
  • Worked on bug fixing and improving application performance.
  • Researched and evaluated modern technologies to make the development process and workflow more efficient.
  • Served as client liaison on design, development, quality, and submission.
  • Provided regular update reports on overall application development status and tasks.
  • Documented project tasks and application functions and features.
  • Analyzed customer requirements and created a project plan and functional analysis for the design of the application.
  • Performed security audit to ensure that no confidential information was persisted on the device or transmitted insecurely, and that log-in credentials were securely stored with Keychain.

Technologies: Swift, Objective-C, MVVM, Core Graphics, Core Animation, TDD, Testflight, SQLite, UIKit, UIView, Adaptive Layout, Auto Layout, AirDrop, Document Picker, Keychain

Confidential, Plano, TX

Sr. iOS Mobile App Architect

Responsibilities:

  • Initial task was to overhaul the wish list experience from adding multiple items to a single wish list to being able to save and make new wish lists, save to multiple wish lists and save items to different wish lists.
  • Re-architected parts of the app to allow for a more smoother flow between screens.
  • Added animations to transitions and views to provide feedback on user actions.
  • Implemented a $4.5 Million + feature that allowed people to view an album and be able to purchase items associated with the photo that was displayed.
  • Resolved freezing issues with the videos and improved for a smoother viewing experience.
  • Put analytics throughout the components to allow tracking to see highly utilized features and experiences.
  • Created and maintained the app to allow for automation.
  • Worked in an Agile development environment with 1-week sprints to allow for quick turnovers and process changes.
  • Used almost all native components to keep with strong security requirements.
  • Updated UX elements throughout the app as requested to improve clarity.
  • Handled compatibility with iOS 9 through iOS 11.
  • Pair programmed to halp accomplish and finish tasks on time.
  • Helped more junior developers with any questions they might has with storyboards and general iOS tasks, and taught Git CLI to other developers.
  • Continually gave feedback on better iOS design concepts when something didn’t feel correct.
  • Used Charles to diagnose and reverse engineer some web components and network calls.
  • Used instruments to profile the app and locate memory leaks and performance bottlenecks.
  • Migrated the app from using a custom serializing to using encodable to facilitate better access to JSON properties.
  • Took initiative to document visual errors on the iPhone x and report ahead of time.
  • Implemented animations that provide user feedback thus enhancing user experience.
  • Implemented the ability to share videos and products with the share sheet.
  • Used Jira to keep track of tickets and work progress, and updated tickets as they were fixed.
  • Used UITest to ensure the app was well-tested and wouldn’t break because of a change.
  • Used BitBucket Gui for manage code base in Git repository.

Technologies Used: iOS 9 - 11 backward combability, BrightCove Native Player SDK, PromiseKit, CoreLocation, NSUSerDefaults, Swift 3.2 & 4, Doxygen, AppleKit, Adobe Analytics, Charles, Zeplin, BranchIO, SwiftLint, UberTesters

Confidential, Austin, TX

Sr. iOS Engineer

Responsibilities:

  • Finished the first app from design to working production line in a week.
  • Responsible for project planning, architecture and design, implementation, testing, approval and deployment.
  • Rearchitected the external facing app to be easier to extend.
  • Migrated the code-base from Objective-C to Swift3 to keep it modern and sleek.
  • Worked with a Swift-Objective-C hybrid code-base.
  • Used AudioKit to play, record and email audio files that are used to run analysis on the server.
  • Used Flinto to create and design micro-interactions to demonstrate prototypes before being built.
  • Redesigned settings screen to wat was designed with new reusable UI/UX components.
  • Resolved critical issues causing an app to crash.
  • Resolved critical issue involving network traffic and traffic through the web services. Troubleshooting and root cause analysis revealed a problem with RESTKit limits with handling of network traffic and restful web traffic
  • Balanced priorities and scope creep to ensure timely deliveries and no missed dates
  • Implemented sharing via Emails, Dropbox, Airdrop and more for large Audio Files
  • Utilized GCD to keep the app running smoothly.
  • Project used Agile methodology in 2-week sprints that resulted in quick turnarounds with bi-daily scrums.
  • Implemented use of Android Studio versus Eclipse for development work.
  • Decreased product development cycle times.
  • Redesigned and engineered mobile agility process with high use of current technology, systems and existing organization assets.
  • Worked with Objective-c and Swift hybrid code bases; practical experience working with bridging header files and minor issues with a dual language code base
  • All code for the mobile and server applications were written using strict object-oriented design techniques.
  • Refactored execution management to be handled in the background without locking up the main thread and UI using GCD; NSOperations also leveraged for more complicated concurrency concerns

Technologies: Swift 3.0, Objective-C, AudioKit, CallKit, Encrypted Core Data, Core Data, RESTKit, Flinto, Sketch, Storyboards, Singletons, Managers, STATEful programming, Push Notifications, Localization

Confidential, Mounds View, MN

Sr. iOS Developer

Responsibilities:

  • Added a toolbar to improve user experience in dismissing the keyboard on iPhone
  • Fixed a custom calendar implementation to work more predictable and fixed long-standing issues
  • Resolved crash scenarios that involved the calendar, when switching to a new calendar view
  • Rebranded the app and changed assets, including updating the interface to be cleaner and use the newly defined colors
  • Created a dynamically sized UITableViewCell to be able to fit all the information that needed to be shown for the cell
  • Ensured sure that the apps' security requirements and directions by the security team were strongly followed
  • Updated AFNetworking from version 1.3 to 3.1, to replace the now deprecated NSURLConnection with NSURLSession
  • Delivered code continuously via 2-week sprints and daily deliverables, with updates to Jenkins as well as managing it
  • Updated old scripts and jobs to keep the app as modern as possible
  • Created POCs to move the app to a schema-based deployment
  • Created and maintained custom CocoaPods libraries, to promote code reuse throughout the organization
  • Talked about best practices with other developers in the organizations
  • Code stored in Bitbucket Repository
  • Profiled the app using instruments to see performance leaks, memory optimizations and battery use
  • Resolved long standing crashes and weird behavior that was intermittent in the app
  • Rearchitected the app in several places to improve the readability, comments and stability to fit a more MVC pattern

Confidential, Austin, TX

Sr. iOS Developer

Responsibilities:

  • Initial task was to complete login UI-refactoring based off wireframes from lead architect, using Storyboards, size classes and Auto Layout constraints
  • Redesigned shopping list ViewController contents, including custom UITableViewCells
  • Resolved crash scenario for iOS7.1.2 users when tapping shopping list and other bugs with Breakpoints, LLDB statements and Zombies
  • Implemented Google+ login for users by working with Google API
  • Added video functionality within app using AVFoundation library
  • Invoked RESTful web services using AFNetworking
  • Parsed JSON responses using NSJSONSerialization into NSObjects
  • Worked with CocoaPods dependencies for necessary 3rd party abilities
  • Optimized store locator functionality and refactored corresponding UI of workflow using Storyboards
  • Enhanced performance of app by profiling app using several Instruments
  • Handled optimizations of application for compatibility with iOS9 standard calls
  • Created POCs in Swift2.0 to prototype current app functionality for decisions on integration
  • Project matriculated utilizing the Agile/SCRUM methodology
  • Code delivered in 2-week sprints
  • Project developed on a team of 3 other iOS developers and 3 backend developers
  • Code stored in Git repository; SourceTree used for version control functions
  • Created Singleton for converting measurement values from US to Metric based off user’s selection
  • Redesigned views using Storyboards for expanding user preferences and filters for optimized searching
  • Implemented social sharing APIs like Facebook, Twitter, Pinterest, and Google for allowing user to share recipes to the desired social network
  • Made RESTful web calls using NSURLSession and parsed response JSON using NSJSONSerialization
  • Utilized GCD for lazy loading, multithreaded workflow to invoke web service request on background to not tie up the main thread
  • Added implementation to registration workflow that allows a user to register via Facebook and Google+ social network logins
  • Utilized iCloud API for syncing shopping list among other iOS devices
  • Refactored code and thoroughly-tested app to ensure compatibility with iOS8 SDK
  • Redesigned the home screen experience and other views using Storyboards and AutoLayout constraints
  • Code stored in SVN repo
  • Project governed by Agile/SCRUM methodology
  • Resolved numerous bugs using NSLogs, Breakpoints, LLDB statements and Instruments

Confidential, Seattle, WA

iOS Developer

Responsibilities:

  • Fully refactored UI into flat, minimalistic standard of iOS7 using Storyboards and AutoLayout constraints
  • Constructed new UIs from wireframes from Lead Architect
  • Refactored RESTful requests from NSURLConnection to NSURLSession to be compatible with iOS7 new standard
  • Parsed JSON responses using NSJSONSerialization
  • Enabled social sharing capabilities by implementing the Facebook API
  • Imported XML formatted recipes from cooking sites and blogs utilizing NSXMLParser
  • Project development team comprised of 3 other iOS developers and 3 back-end developers
  • Project matriculated using Agile/SCRUM methodology; code delivered in 3-week sprints
  • Code housed in Git repository
  • Version control functioning handled by SourceTree application
  • Debugged several bugs using NSLogs, Breakpoints, Instruments, and LLDB statements
  • Map View implementation using the MapKit and Core Location Frameworks
  • Web Services consumption on the iPhone to communicate with the MediaWiki API using the NSURLRequest and NSURLConnection objects natively; POC’s where made for using ASIHTTP
  • Creating project and application architecture deliverables that are consistent with architecture principals, standards, methodologies, and best practices; namely allowing for maintainability and scalability
  • Lead technical design sessions with the development teams, including the creation of class models, sequence diagrams, component models, etc., and detailed design specifications to ensuring that architecture standards are followed.
  • XML Response parsing using the SAX NSXMLParser and NSXMLParserDelegate. JSON Response parsing using the SBJSON Framework.
  • Data scrolling is achieved using UIScrollPane and UITextView
  • Lead the technical analysis and evaluation of modern technologies, vendors, products, and product enhancements with a strong point of view on end-user functionality and an eye for highly usable user interface design.
  • Responsible for defining technical evaluation criteria for product and technology selection and determining technical approaches to ensure all architectural solutions result in a coherent systems design.
  • Audio playback using the AVAudioPlayer from the AVFoundation Framework.
  • This application was designed and implemented using iPhone SDK, Xcode, interface builder with XIB’s, objective-c and instruments for performance tuning/optimization

Hire Now