Mr. Liao worked as a Lead Developer for an enterprise level Web application for customer such as Apache server, Node.js, Docker, Git, Angular.JS, MSSQL, MySQL, Joomla, WordPress, Drupal, HTML5, CSS3, SCSS, LESS, jQuery, JavaScript Frameworks, HTML5 based application or RESTful API.

Worked as an lead developer for an enterprise level mobile office solution for mobile devices such as Android, iOS, and HTML5 based application.• Responsible for developed several versions of mobile office solution that runs on a variety of devices that offer different screen sizes and densities.• Implemented complex UI/UX components such as touch gestures used for viewing/editing Word documents and viewing of power point in slide show mode.• Used JNI(Java Native Interface) technology to port the Java based office engine and link each its functions to Android UI components. • Familiar with object oriented design/programming, design patterns, and UML. • Experienced iOS development for technical support of the online office.

Mr. Liao has worked as a developer of enterprise-grade mobile and back-end systems for mobile device applications such as Node.JS, React, Azure Cloud Services, PostgreSQL, TypeScript, JavaScript.Responsibilities: All stages of design, development and deployment of the ValidVax application for Covid-19 QR code scanning, utilizing TypeScript, JavaScript, Node.JS, React, PostgreSQL, AJAX, jQuery, JavaScript Frameworks.Developed, tested and implemented the ValidVax back-end Web application using the following technologies: UI/UX, TypeScript, Web Experience Toolkit, Node.JS, React, CSS3 HTML5;Develop, test and implement database APIs for back-end web applications using the following technologies: TypeScript, Node.js, PostgreSQL, Express; Experienced with multiple online meeting tools such as Microsoft Teams, Google Meet, Zoom or Cisco WebEx.Administered and used GitHub, GitLab repos and Azure Devs to manage projects. For example, Synchronized code between local and server. Debugging & fixing issues and publish changes in GitHub or GitLab.Analyze client documentation and data and conduct detailed feasibility studies of proposed architecture to validate and document functional and system design requirements and specifications as a baseline for development planning and support.Developed multiple versions of back-end solutions to record all data updates on the back-end and developed a webapp to conveniently browse and update data.Established and documented design procedures and standards in accordance with department SDLC methodology for the mobile application.Implement complex UI/UX components such as viewing/editing databases and viewing, and comply with GC requirements and confidentiality requirements.Worked with object oriented design/programming, design patterns, and UML.Prepared various project documentation for the back-end Web application including forms, manuals, technical specifications, design documentation, code libraries, programs and data files etc.

Worked on various contractor positions as IBM FileNet administrator and developer. Involved in many aspects of the process from design, business process analysis to provide development effort estimates and developed FileNet solutions. The technologies used include FileNet P8, WorkplaceXT, Content Engine and Content Navigator.• Develop custom Java application leveraging FileNet Java API. • Configure FileNet Document Management configurations according to client requirements.• Experiences in using FileNet Deployment Manager, FileNet Enterprise Manager, FileNet Java API, Content Navigator Desktop configuration, Content Navigator plug-in development. • Writing and editing web portal project using Web-based programming code such as Java and JavaScript.

• Provide technical support for client. Assisted in troubleshooting user problems relating to Operating System issues, Network Connectivity, TCP/IP configuration, upgrades, MS Office products and Internet connectivity. • Performed upgrades, installation of software and drivers and essential desktop troubleshooting. • Deployed updates, service packs and hot fixes using Windows Update, Automatic Updates, and Group Policies. Installed logical printers on a print server and preparing print server to host clients. Troubleshooting hardware peripherals like printers modem etc.• User rights and permission, disabling and enabling accounts, file and folder permissions and configuring security templates as per need, hardware troubleshooting and local system upgrades.• Provided adequate evaluation and developmental measures for the entire tools development.

• Acted as the person in charge for Wuhan Health Card Database Development Project, as well as Wuhan 337 SRB Warehouse Database Project. • Wrote PL/SQL module to migrate and reconcile data from third parties into database.• Migrated legacy system data into Oracle Database that customer service and sales representatives could access for wide range of services.• Created multiple programs to ensure correct data transfer and communications between Oracle database and SQL Server ERP system.