Professional Summary

• Over six years of IT industry experience in designing and developing enterprise level web and mobile applications.
• 3 years of experience in iOS Mobile Application Development using iPhone SDK, Cocoa touch, Objective-C on X-Code.
• 3 years of experience in web development using HTML, CSS, JavaScript and XML.
• Created and customized Views, Table Views, Tab Bars and Navigation Bars which are some of the basic functionalities in Multi-View Applications.
• Experience in developing enterprise based applications using SQLite and Core Data for iPhone.
• Experience in using XML parser and JSON to retrieve data for display on the iPhone from DBMS server.
• Experience in creating and extracting data from database and displaying it on iPhone using SQLite3 and MS SQL server.
• Experience in push notification, in-app purchase, and Bluetooth integration into apps.
• NSOperation/GCD implementation for multi-threading to provide fast and comfortable user UX.
• Thorough understanding of the Software Development Life Cycle including requirements, specifications, design, construction, testing and maintenance.
• Expertise in Objective C, Java, Swift and VHDL as well as knowledge of Embedded System development tools.
• The importance of readable code, by using clear, explicit method and variable names and effective comments.
• Ability to accomplish a given task individually and as part of a team.
• Experience with revision tools such as Git and SVN eg. GitHub, Tortise SVN, etc.
• Worked in agile methodology for project management- participated in monthly/biweekly sprint planning and daily scrum meetings.

Technical Summary

Professional Experience

Confidential

Role: iOS Application Developer

Fly Delta mobile app allows you to view personal accounts, make travel plan using mobile ticket booking, check itinerary and flight status, view mobile boarding pass and easy mobile check-in, track bags, search flight schedules, Delta Sky Clubs, and airport information. Also, it can save reminder for hassle-free airport parking.

Responsibilities:

• Follow Delta standards and methodologies in the development and implementation of computer software.
• Support and troubleshoot computer systems as required, optimizing performance, resolving problems, and providing timely follow up on all problems.
• Develop appropriate software and documentation according to Delta standards.
• Possess programming expertise in one of Delta standard programming languages in order to develop and maintain computer software.
• Understand business requirements in order to provide the technical design of computer software.
• Responsible for participating in the development, maintenance, enhancement, and support of applications.
• Parse XML and JSON data to sort airport maps, public transportation details, and weather information
• UIMapkit and Coreloation to locate Delata Sky Club lounges and to display flight tracking information
• Push Notification for airline departure schedule and itinerary alert
• Implement CoreData to handle user database including recent search history, saved trip info, and travel preferences.
• Built better multitask capability with NSOperation method
• Focusing on application with better Navigation View customizing Table Views, Navigation Bars, modern UI, and more menu options for improved function.
• Technical Environment: iOS 5, 6, 7 iPhone SDK , Mac OS X,
• Objective C, Xcode 5, Cocoa, Cocoa Touch, Cocoa framework, IPhone
• Simulator, JavaScript, HTML, Adobe Suite Photoshop,
• Dreamweaver , XML, Parser Touch JSON.

Confidential

Role: iOS Application Developer

Responsibilities:

• Worked extensively on Multiview Applications customizing Table Views, Navigation Bars and Tab Bars.
• Improved the application efficiency using multi-threading with GCD.
• Secured user credentials for better user interaction with the app.
• Used Map-kit to locate nearby offices.
• Performed tasks independently with little to no peer assistance or manager supervision.
• Worked closely with the team leads and report project progress on regular basis.
• Worked closely with the web application development team to ensure proper integration between mobile application and web application.
• Worked with Backend Developers to get final Designs for app interaction with backend services.
• Extensively worked with XML and JSON inputs to pull the data from backend and display it on the app.
• Technical Environment: iOS 4.0, 4.1,4.2, 5.0, 6.0 iPhone SDK , Mac OS X,
• Objective C, Xcode 5, Cocoa, Cocoa Touch, Cocoa framework, IPhone
• Simulator, JavaScript, HTML, Adobe Suite Photoshop,
• Dreamweaver , XML, Parser Touch JSON.

Confidential

Role: iOS Application Developer

The GoPro App gives instant access to the GoPro Channel, and makes it easy to control camera remotely with your iPhone, iPad or iPod touch. It has full remote control of all camera functions. Mark key moments while recording with HiLight Tag. Preview shots and play back content, then share your favorite photos and videos via email, text, Facebook, Twitter and more.

Responsibilities:

• Add support for iOS 5 and iPhone 4s as well as full screen preview mode
• Worked on push notification for update for new camera software
• GCD implementation for smooth experience for app navigation
• Implement full remote control of all camera functions on view controller
• Add live preview feature for easy shot-framing
• Add feature to mark key moments while recording
• View HiLight Tags in GoPro Camera Roll for easy playback of video highlights
• Add sharing features to copy photos and videos to device, then share via email, text, Facebook, Twitter or other app
• Browse and delete files on the camera's microSD card
• Used Photoshop for image editing purposes.
• Created Custom UIViews, custom TableViews, and custom TableViewCell for user interface.
• Used NSUserDefaults to store user account information
• Implemented custom UITabBarController, UINavigationController, for easy navigation of the app.

Technical Environment: iOS 4.3 and later, 5.0 iPhone SDK , Mac OS X, Objective C, Xcode 4, Cocoa, Cocoa Touch, Cocoa framework, IPhone Simulator, JavaScript, HTML, Adobe Suite Photoshop, Dreamweaver , XML, Parser Touch JSON.

Confidential

Role: Mobile Application Developer

Responsibilities:

• View controller and tab bar controller for home Wi-Fi network setup for Logitech UE Air Speaker
• Bass and treble adjustment feature view controller and button UI design
• Network settings and management view controller
• Add management on software updates view controller
• Improve setup process and view design for devices
• Assist to upgrade to latest UE Air Speaker enhancements
• Assisted lead developer and carried out in-house technical support as needed.

Technical Environment: iPhone 4S, iPhone 4, iPhone 3GS, iPhone 3G with iOS 4.0 and later, iPod touch 2nd, 3rd and 4th generation with iOS 4.3 and later, Mac or Windows computer with iTunes 10.2 and later.

Confidential

Role: Web Developer

Responsibilities:

• Worked on basic web functions on HTML, CSS, and JavaScript
• Designed and developed Nespresso' website.
• Collaborated with team members to validate the integrity of resources and data.
• Periodic assessment of the project workflow and functionality of various modules.
• Implemented web portal using PHP and JavaScript.
• Utilized Cascading Style Sheets CSS and custom graphic contents to enhance look and feel of web pages.
• Validated website for Cross-Browser Compatibility.
• Worked technical document to describe the workflow of the entire process and mentored the staff how the process works.
• Database management on Microsoft Access and SQL Server
• Photo management task using Adobe Photoshop and Lightroom
• Technical Environment: HTML, CSS, JavaScript, PHP5, Adobe Photoshop, Lightroom, and MS Office, SQL server.

Skills

• 3 years of Objective-C programming for iOS
• 2 years of SQL query programming
• 2 years of Java programming
• Multi-language proficiency:
• Korean Native or bilingual proficiency
• English Full professional proficiency
• Chinese Elementary proficiency
• Ability to be creative with solutions and willing to think out of the box
• Ability to learn new technical concepts quickly and apply them to solve problems