SUMMARY:

• 5 years experience working as a professional Full Stack Developer in E - Commerce fields.
• 5 years experience in backend development of core Java, J2EE.
• Experienced in Spring MVC, Spring Boot, Spring Security, Spring IOC, Spring AOP, Spring JPA, Hibernate Object-Relational Mapping and JDBC.
• 2 years work experience in Angular 2/4/6 and TypeScript familiar with Angular 2/4/6 development flow and testing expert in design component, service, routing, directive and HTTP request.
• Proficient in Agile Development Methodologies.
• Experienced in the Angular JS framework including Controller, Directives, Validation, Routing, Filter, Form, Servec and SPA(Single Page Application) design.
• Experienced in MEAN(MongoDB, Express, Angular, NodeJS) stack and RESTful API.
• Expert in HTML/HTML5, CSS/CSS3, jQuery, and jQuery UI familiar with Local Storage, Session Storage, cookie etc.
• Proficient in Oracle database, MySQL and NoSQL database MongoDB.
• Familiar in Java design patterns like Singleton, Factory, Abstract Factory, Proxy etc.
• Familiar in Java Junit for unit testing and Mockito for mock service.
• Familiar in Amazon AWS S3/EC2, Docker and Jenkins.
• Proficient in Object-Oriented programming in Linux/Windows environment (server side).
• Familiar in script languages like XML, XSLT, DTD etc.
• Strong knowledge of data structure, algorithm, OS, computer architecture.
• Experience with managing and configuring Web Server like Apache, Tomcat.
• Extensive mobile application development experience on Android platform.
• Acting as a Team player with the positive attitude, ability to learn fast and excellent communication skills.

TECHNICAL SKILLS:

Programming Language: Java, JavaScript, TypeScript, HTML/HTML5, CSS/CSS3, SQL, Android, Python, C++, XML

Java: Collection, Exception Handling, Multi-threading, I/O system, Garbage Collection

J2EE Technologies: Spring Boot, Spring IOC, Spring AOP, Spring Security, Spring JPA, Hibernate, Java JDBC, JSP, Servlets, JSP

Frontend Frameworks: Angular 2, Angular 4, AngularJS

Web Technologies: AWS S3/EC2, Docker, Heroku

Operating Systems: Mac OS, Windows, Unix and Linux

Testing/Control Tools: JUnit, Mockito, Git

Database: MySQL, Oracle, MongoDB

Servers: Apache Tomcat

Language Skills: Mandarin Chinese (native), English (fluent) and Japanese (fluent)

PROFESSIONAL EXPERIENCE:

Confidential, New York, NY

Full stack Developer

Responsibilities:

• Frontend design was based on the Angular 2, used components to bind data and designed business logic.
• Used Angular CLI as development tool to create directives, services, components and modules.
• Utilized Test Drive Development(TDD) for this web application development with Agile methodology.
• Designed the user register/login page with Angular 2 Reactive Form and empoyees’ validations.
• Implemented the employee’s shopping cart with data binding and HTML5 Local Storage features provided: add items to the shopping cart, change the amount of the product and order it.
• Designed different kinds of customer Filters to filter products by their price and date.
• Used some built in Pipes like currency lowercase uppercase.
• Implemented the feature credit card payment with Stripe.js API.
• Designed SPA(single page application) in the system.
• Used Http AJAX request connect with the backend.
• Used JSON transmit data to the backend and make a data format transfer to query string.
• Designed RESTful API for the system backend provides mapping URL to frontend.
• Used Jasmine and Karma to implement frontend testing.
• Including Spring MVC, Spring Security, Spring JPA and Spring AOP.
• Designed Spring MVC controllers which send request to different controllers and services.
• Implemented authorization and authentication with Spring Security and manage the CORS and CRSF security issues.
• Designed DAO (Data Access Object) layer and data service layer.
• Used Spring JPA to connect with MySQL database.
• Used Spring AOP for injecting log file control and management.
• Used Spring Security to resolve the frontend http request exception issues return frontend error codes.
• Used subscribe observable for handle the respond stream data from backend.
• Backend testing based on the Junit test and Mockito.
• Used Spring all Java configuration and
• Maven for project dependency management.
• Used Git for version control.

Environment: Java 8, Spring Boot, Spring Security, Spring JPA, Maven, Junit, MySQL, Angular 2, HTML5, CSS3, TypeScript, Ajax, Bootstrap, Slack, Git, Agile methodology

Confidential, New York, NY

Full stack Developer

Responsibilities:

• Designed REST API based on Spring MVC and used GET, POST, PUT, DELETE method to handle the HTTP request.
• Built the customer DAO (Data Access Object) layer and customer service layer.
• Used Hibernate to do the ORM (Object-Relational Mapping) and interact with the database.
• Implemented authorization and authentication with Spring Security.
• Used global exception handler to CustomerNotNoundException and bad request exception.
• Utilized Test Drive Development(TDD) for this web application development with Agile methodology.
• Wrote DispatcherServerletInitializer which specifies the configuration for the application.
• And it also maps the Spring MVC dispatcher servlet to the root path.
• Created AppConfig contains the configuration for the various beans needs for hibernate DB access.
• Created the SecurityWebApplicationInitializer file which is required in order to register the
• Spring Security filters.
• Created SecurityConfig which configures users and restricts access to the app based on roles.
• Created customers logging aspect using Spring AOP.
• Supported the search function that you can search the customers’ first name or last name and find their personal information like name, address, email etc.
• Backend testing based on the postman.
• Used Spring all Java configuration and Maven for project dependency management.
• Used Git for version control.

Environment: Java, Spring MVC, Spring Security, Spring AOP, Hibernate, ORM, MySQL, JDBC, Git, Agile methodology, Postman

Confidential, Brooklyn, NY

Full stack Developer

Responsibilities:

• Project based on ExpressJS framework, NodeJS, JavaScript, HTML5, CSS3, Bootstrap jQuery and MongoDB
• Used ExpressJS to design RESTful APIs for CRUD operations that interact with database and support the requests of data search and modify from front end.
• For Responsive Web design, used Bootstrap and CSS3 to build grids, layouts. Used Bootstrap like dropdown menus, navigation bar, alerts, and labels.
• Used MongoDB for storing data and Mongoose for database ODM.
• Used passport, passport local and passport local mongoose for user authentication and authorization.
• Feature provided users can post landscape’s picture and description, comment their or other people’s post, update their post or comment, destroy their post or comment.
• Added the landscapes’ location with Google Maps(get Google Maps API Key, Enable: Geocoding API).
• Implemented flash messages and dynamic price.
• Designed background animation on landing page.
• Implemented the time since post was created with Moment JS.
• Used Git and mLab to deploy forum to Heroku.

Environment: ExpressJS, NodeJS, JavaScript, HTML5, CSS3, Bootstrap, NPM, jQuery, MongoDB and Git.