• Design and build mobile applications for the iOS platform with Swift language and XCode• Develop chat application website with NodeJS, Angular, SocketIO, Webrtc and MongoDB• Develop QA applications with Python and Locust framework to measure and analyze application performance and scalability• Collaborate with team members to define, design and develop RESTful APIs for mobile applications

Study Internet Application & Web Development program at Algonquin College. Program Skills• XHTML/HTML/CSS/, Python/C #/Java/Swift, JavaScript/Angular/jQuery, XML/JSON/AJAX• MySQL/MongoDB, ASP.NET/Node.js/Django• Windows/Linux, Apache2/IIS 7.0• Illustrator/Photoshop, Bootstrap/WordPressMy project - a web chat applicationGithub: https://github.com/davidlin006811/myparrotchat/tree/git-pageswebsite: https://www.myparrotchat.com

Study of the program of Microsoft Network and Security Administrator. Course Descriptions:Hardware EssentialsOperating Systems EssentialsNetwork FundamentalsNetwork Security FundamentalsConfigure Windows 7Support Windows 7 Entreprise DesktopConfigure Windows 2008 Active DirectoryConfigure Windows 2008 Network InfrastructureConfigure Windows 2008 Application InfrastructureWindows Server 2008 AdministratorConfiguring Microsoft Exchange ServerFundamentals of ITIL and Mobile Devicesetc.

• Led a small service team to offer professional equipment service solutions for 200+ hospitals, including installation, troubleshooting and maintenance for medical imaging system, and the sale of service agreements and spare parts• Kept a good communication with customers and collected customer feedbacks to improve service performance and customer satisfaction• Handled customer service calls and service issues, and cooperated with each team member to offer effective and professional service to customers and meet customer satisfaction • Provided technical training and technical support to the service team, improved service performance and reduced equipment Mean Time To Repair (MTTR) by 30% • Overcome the challenges of parts cost by exploring and developing parts repair and refurbishment solutions for the defective spare parts• Increased equipment up time by 100% by upgrading equipment components and improving equipment maintenance procedures

• Provided technical training and level 2 technical support for field service engineers• Reduced parts cost by 50% based on the same customer satisfaction by managing parts usage and implementing parts replacement policy made by technical specialist team• Improved equipment mean time between failures (MTBF) by 60% by making and implementing Preventive Maintenance (PM) projects • Cooperated with level 3 and level 4 specialists to solve critical technical issues• Worked with Research and Development team to test and validate new products, feed back problems found in test and offer suggestions

• Led a service team to provide prduct field service for customers • Handled service calls and service issues• Sold service agreements consistently to complete sales target in service team• Maintained and developed customer relationship, listened to customer feedback to improve service performance and customer satisfaction

• Installed and repaired Kodak medical equipment, including computerize radiography system, medical image print system, IBM/Dell workstations and medical network• Implemented Preventive Maintenance (PM), equipment calibration and medical database maintenance for customers• Provided equipment operation training and technical support for customers

• Installed and repaired 3M medical equipment, including 3M medical laser printer and 3M medical processor• Implemented Preventive Maintenance (PM) and equipment calibration for customers• Provided equipment operation training and technical support for customers

Provided troubleshooting and maintenance service for medical imaging devices (x-ray machines, CT, MRI, medical cameras and printers, medical processors etc.)