Senior iOS Developer Resume

SUMMARY

Proficient with the use of architectural patterns like MVC, MVVM
Professional expertise on implementing REST API (URLSession, Data Task, Result Type, JSON serialization, Codable)
Very familiar with design patterns such as Protocol, Delegation, Notification, Observer, Singleton
Multithreading tasks implementation using GCD and writing thread customization using Operations and Dispatch Groups
Familiar with implementation of persistent solution with native frameworks like User Defaults, Core Data, 3rd parties like Firebase, MongoDB
Worked in iOS development environments having daily meetings with Agile/Scrum as Software Engineering processes
Proficient with Continuous Integration tools like Jenkins
Familiar with logic testing using XCode XCTest and UI Flow Testing
Developed and maintained apps UI with a great UX as per team requirements, Storyboard with Auto Layout being used for rapid development and programmatic approach to facilitate multiple inputs
Good hands on with various frameworks such as AVKit, Core Location, Core Bluetooth and 3rd parties AlamoFire, MessageKit, SnapKit
Comfortable to work in a team setup, fast learner
Debugging skills with Instruments to detect memory leaks and optimize resources usage
Web Development with HTML, CSS, Bootstrap, DOM, jQuery

TECHNICAL SKILLS

PROFESSIONAL EXPERIENCE

Confidential

Senior iOS Developer

Responsibilities:

MVVM used as the architectural pattern
Worked on Network requests to make API calls with proper error and response handling
Data decoded using Codable into custom Model
Used GCD to allow for concurrent threads and keep Main thread from bottleneck
Upgraded display of hotels and residences results to conform to the latest version of MapKit
Utilized Instruments to lower memory consumption throughout life cycle
Re-designed results details with Table View using custom cells designed with XIB
Auto Layout implemented for different size classes
Wrote and performed XCTests in XCode
Had daily Agile/Scrum meetings to discuss development process and determine upcoming sprint goals

Confidential

Senior iOS developer

Responsibilities:

Updated app and revamped UI according to Design team requests
Worked on improving views transitions using Navigation Controllers and modal presentations
Modified use of ScrollViews from TableViews to CollectionViews and vice versa to better accommodate for regular size classes devices
Handled REST API calls for account balances and in real time UI updates
Optimized asynchronous loading of Transfer tab, implementing Pagination and lazy loading
Used JSON parser to decode data downloaded from server
Implemented coding of data generated by the app and POST requests to the API

Confidential

Senior iOS developer

Responsibilities:

Utilized User Defaults and CoreData to locally save user tasks, lists and preferences
Maintained user account information on database up to date with local settings using Firebase
Set property Observer on database objects to allow for an immediate update on user device
Performed fetch, write, delete operations on database using singleton to avoid race conditions and asynchronous operations to allow synchronization between multiple devices
Implemented reminders based on time or location using native Notifications and Core Location framework
Optimized app memory usage while in a background state and transitions between states using Delegate functions
Participated in daily meetings to ensure weekly update releases
Sprint times typically set to a week