From 2011 - 2013 Collaborating with team members maintaining and updating a CMS project based on J2EE infrastructure. Duties including:+ Analyze user requirement, understand current infrastructure. and implement business logic with source code.+ Study few parts of ERP system in order to implement plug-ins (add-ins) for ERP or integrating with current CMS (Dynamic GP web client and Dynamic GP add-in)+ Directly implement front-end, and apply new front-end technique to existing system (JQuery).+ Propose Restful implementation to reduce complexity and tightly-couple of existing system. Later on mainly responsible for maintaining Rest endpoints and EPR add-ins (MS Dynamics GP) From 2014 - 2016Involve in a new team and started to work with Microsoft Azure platform, with following roles:+ Direct/Indirect contact with BM and team members to discuss requirements.+ Study new platform, suggest/propose solution if the problem emerges during development time.+ Be a full-time back-end developer work with both Java and .Net sub-project. What I have gained at EZIT?+ Experienced Java: Core Java (Multithreading, Collection library, Concurrency library, new Java 8 features e.g Streaming, Closure...) , J2EE, JAX-WS, JAX-RS+ Intermediate level of understanding Software Design Patterns (common design patterns and OOP design pattern) and Software Design Principles. + Proficient front-end development: Javascript, HTML, CSS, Jquery