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Full-stack Developer (angular 6/spring Mvc/hibernate/sql Server) Resume

New York, NY

SUMMARY:

  • Over 5 years of experience as a Java full stack web Developer, creating Single Page Web applications using Angular 2/4/5/6/7, Node.js, and React.js with backend using Spring MVC, Spring Boot, Hibernate, and JPA in various domains.
  • Proficient in developing Single Page Applications (SPA) using Angular 2/4/5/6/7 and React.js.
  • Developed SPA by using Angular related technologies such as TypeScript, Angular Components, Directives, Pipes, Services, HTTP Client, Observables/Promise, Reactive/Template driven forms, Two - way data binding, Life Cycle Methods, Routing, and Routing Guards within multiple components.
  • Developed SPA by using React related technologies such as JavaScript ES6, Redux, CSS Module, Dynamic Styling, Axios, React Components, Props, States, Two-way data binding, Promise, Conditional Expression, Life Cycle Methods, High Order Component, Props Validation, Routing, and Router Guard within multiple components.
  • Extensive experience in using front-end technologies like HTML5, CSS3, Bootstrap, JavaScript, jQuery, and AJAX for building dynamic, user-friendly, and high-performance web applications.
  • Applied responsive web design to fit all users and devices from desktop to tablet and mobile phone by using Grid Systems and Media queries.
  • Extensive experience in Backend Server-Side Programming using J2EE technologies like Java Core, Spring Core, Spring MVC, Spring Boot, Spring AOP, XML, Hibernate, JPA, JDBC, and some other technologies Node.js, Express.js, and LAMP (Linux, Apache, MySQL, PHP).
  • Proficient in developing RESTful API using J2EE Technologies and testing APIs using Postman.
  • Excellent in Mobile development with Android SDK and Android Studio.
  • Expertise in database system like SQL Server, Oracle, MySQL, and NoSQL database MongoDB.
  • Proficient in creating Dynamic SQL and performing CRUD and Other SQL operations using Relational Database like SQL Server.
  • Expertise in Unit Testing by using Karma, Mocha, Jasmine, and Jest in frontend, while JUnit and Mockito in backend.
  • Proficient in debugging and troubleshooting existing code using JIRA, Developer tools, and GIT as Version Control System.
  • Involved in all stages of Software Development Life Cycle (SDLC) as well as working in AGILE Methodologies based development environment, participating in spring/iterations, and SCRUM meetings.
  • Basic idea in cloud computing with Amazon Web Services (AWS).

TECHNICAL SKILLS:

Languages: Java, Python, JavaScript, TypeScript, PHP, C#, C/C++, R, shell scripts, SQL

Databases: SQL Server, Oracle, MySQL, MongoDB, SQLite, Redis

Web Technologies: HTML, CSS, Bootstrap, JavaScript ES5/ES6, jQuery, AJAX, Angular 2/4/5/6/7, React.js, Redux, SASS, Gulp, Webpack, Socket.io

ServerSide Technologies/ Frameworks: J2EE, Servlet, JSP, Spring Core, Spring AOP, Spring MVC, Spring Boot, Spring Cloud, Hibernate, JPA, JDBC, Maven, XML, Node.js, Express.js, LAMP

NLTK, Pandas, Numpy, Scikit: learn, Seaborn

Mobile Development: Android SDK, Android Studio, Gradle

Tools: and IDEs: Eclipse, Visual Studio Code, Sublime Text 2/3, WebStorm, PhpStorm, Azure Data Studio/SQL Server Management Studio, Oracle SQL Developer, MySQL Workbench

Version Control: GIT, GitHub

Debugging/Testing Tools: Jasmine, Karma, Jest, Mocha, JUnit, Postman, Mockito

Operating System: MAC OS X, Ubuntu/Linux Mint, Windows

PROFESSIONAL EXPERIENCE:

Confidential, New York, NY

Full-Stack Developer (Angular 6/Spring MVC/Hibernate/SQL Server)

Responsibilities:

  • Contributed to a team in developing a single page web application (SPA) based on the RESTful API using Angular 6, Spring MVC, Hibernate, and SQL Server.
  • Designed multiple components such as product dashboard, product filter, product list, product details, and user login/register with JWT authentication and authorization.
  • Used Angular Routing to navigate between different components. Involved Angular Route Guard for the Authentication and Authorization by passing logged users’ Json Web Token (JWT) into Browser localStorage.
  • Used Template Form to validate the user’s input in Login and Register Components, while React From for handling complex scenarios.
  • Utilized Directives in the application. For example, structure directives like *NgFor to dynamically exhibit multiple data entries, attribute directives like NgClass to add and remove CSS classes on an HTML element, and customer directives which can be reused.
  • Wrote Customized Pipes based on business Logics by implementing PipeTransform interface.
  • Used @input, @output, @Viewchild, local reference, and service for Component Communication.
  • Applied Dependency Injection and service with @Injectable decorator.
  • Used Http Client Module to send http request including GET, POST, PUT, and DELETE to call Corresponding Backend RESTful APIs with @RequestMapping Annotations in Controller Packages.
  • Used Snapshots to call the router initial data and Observables (RxJS library) to handle asynchronous data calls coming from backend REST APIs.
  • Designed customized Interceptors by implementing HttpInterceptor interface to add authorization header with Json Web Token and handle the global error.
  • Used SpringMVC architecture to build the backend project structure layers: Domain, DAO, Service, Controller, Exception, and Utils. Configured web.xml by adding spring MVC DispatchServlet. Configured Hibernate setting parameters for Database Connection in /src/main/resource/application.properties file.
  • Utilized Object-Oriented Programming (OOP) design patterns such as inheritance, polymorphism, Encapsulation interface, abstraction, overloading, and overriding. Applied Collections such as Set, HashMap and List to store data and passed through layers.
  • Used Maven to handle and update dependencies, run maven build, maven clean install commands to start, and refresh the backend applications.
  • Designed Object relational Mappings (ORM) patterns (Mapping each POJO class to database table) by creating a corresponding Hibernate Mapping file(hbm.xml) and used Java-based Annotations inside POJO classes such as @Entity, @Table, @Column, @Id, @GeneratedValue and so on.
  • Extensively applied other Hibernate and database management technologies like Sessions, transactions, criteria queries, Hibernate Query Language (HQL), Native SQL, Cache, Batch Processing, and Interceptors, to interact with the database.
  • Used @CrossOrigin Annotation in Controller Layer to fix front-end and back-end different ports data communications problems.
  • Developed some Spring customized Dependency Injections based on business logics.
  • Used Azure Data Studio for SQL Server Database graphic interface. Implemented CRUD operations in DAO layer. Applied T-SQL for complex DB operations, wrote SQL functions and stored procedures for repeated operations. Optionally applied some Advanced T-SQL techs such as Exception, Cursor and Trigger.
  • Used Jasmine and Karma to do front-end Angular Unit test, JUnit to do back-end API Unit test, JIRA to track the process of the project and joined the SCRUM meeting for report, Slack to communicate with team leader and members, Git and GitHub for Version Control and troubleshot with merge conflicts.

Environment: JavaScript, Typescript, HTML, CSS, Bootstrap, Angular 6, Git, Java Core, Spring MVC, Hibernate 5, SQL Server, Windows, and MAC OS X.

Confidential, Brewster, NY

Full-Stack Developer (React/Spring Boot/Hibernate/SQL Server)

Responsibilities:

  • Developed a single page web application (SPA) based on the RESTful API using React and Redux, Spring Boot, Hibernate, and SQL Server.
  • Responsible for creating and maintaining reusable stateful and stateless components.
  • Utilized React Life Cycle Hooks Methods such as ComponentWillMount(), ComponentDidMount(), ComponentDidUpdate(), and render() in some components.
  • Called setState() method to update the stateful component global state and then re-render DOM. Used React Props for Parent and Child Component Communication.
  • Used Axios to perform CRUD operations by sending http requests to call backend RESTful APIs. Utilized Axios Interceptors to handle global errors and add authentication header.
  • Used Redux (Action, Middleware, Reducer, Store) for managing Application Global State and handling user authentication.
  • Dispatched multiple actions in Action layer and tackled actions in Reducer layer based on action types.
  • Applied react-router, react-router-dom, and react-router-native libraries to handle Routing among different components. Applied conditional rendering in Router Guard for user Authentication and Authorization by checking Json Web Token (JWT) in browser localStorage.
  • Performed form validations by adding input fields and validation labels insideelement and populating onSubmit function to globally validate user input.
  • Designed middleware by using redux-thunk to tackle asynchronous code.
  • Applied JavaScript ES6 features like const, let, arrow function, template literals etc.
  • Involved CSS module for every component and utilized Radium and High Order Component (HOC) for CSS styling.
  • Used @trendmicro/react-sidenav library for Navigation bar.
  • Broadly Applied Spring Boot to build the backend project structure: Domain, DAO, Service, and Controller.
  • Used Maven as build Tool to write the dependencies and maintain the version of the dependencies.
  • Implemented POJO classes, JpaRepository interface, business logics, and back-end API functions for front-end http requests (Axios) under Domain, Dao, Service, and Controller layer respectively.
  • Followed Spring Data Respository (JpaRepository, CrudRepository) Principles to define customer functions in the DAO layer.
  • Applied @RequestMapping, @GetMapping, @PutMapping, @DeleteMapping annotations in Controller layer to determine which url and method to be set.
  • Defined Customized Exception and utilities classes.
  • Run the back-end Application with a class @SpringBootApplication Annotation or using command spring-boot:run or installing spring tool suites.
  • For frontend unit testing, wrote some Jest mocks for react testing. For backend unit testing, utilized Postman and Mockmvc to test REST controller, while JUnit assertEquals() and Mockito when() to test service layer. Applied Agile Environment and used JIRA as the product management tool for task process tracing and joined the SCRUM meeting for report. Used Git and Github for version control and troubleshot with merge conflicts.

Environment: JavaScript ES6, HTML, CSS, Bootstrap, React, Redux, Git, Java Core, Spring Boot, JPA, SQL Server, Windows, and MAC OS X.

Confidential

Full-Stack Developer (JSP/Servlets/Hibernate/Spring MVC/Oracle)

Responsibilities:

  • Designed a J2EE Web application with Spring Core, Spring MVC architecture, JSP, Servlets, jQuery, Hibernate and Oracle.
  • Coded both front-end and back-end inside Eclipse under the created Dynamic Web Project structure by the project manager. Put All front-end JSP pages, JavaScript, CSS, and images under src/WebRoot directory
  • Utilized form submission or jQuery Ajax calls to call the required APIs inside Controller layer.
  • Developed back-end MVC architecture with Domain, Dao, Service, and Controller layers.
  • Wrote POJO classes, hibernated CRUD operations, business logics, REST API functions for front-end http requests under Domain, Dao, Service, and Controller layer respectively.
  • Applied Servlet Life Cycle Methods like init(), service(), doGet(), doPost() for Controller layers. Realized page redirection by using request.getRequestDispatcher().forward() with HttpServletRequest Class.
  • Configured Build Path by adding required external JARs for specific development. Configured hibernate.cfg.xml for database connection settings with several properties inside tag.
  • Realized Object relational Mappings (ORM) patterns (Mapping each POJO class to database columns) by creating a corresponding Hibernate Mapping file (hbm.xml) for each POJO class, or use Annotations inside POJO classes.
  • Extensively applied other Hibernate and database management technologies like Sessions, transactions, criteria queries, Hibernate Query Language (HQL), Native SQL, Cache, Batch Processing, and Interceptors to interact with the database.
  • Initialized Spring beans and called the bean xml files path by creating a new instance of ClassPathXmlApplicationContext class. Get the required bean with getbean() method under ApplicationContext class.
  • Developed some Spring customized Dependency Injections based on business logics.
  • Applied PL/SQL for complex DB operations and wrote SQL stored procedures for repeated operations.
  • Applied JUnit tool for writing Unit /Integration test cases. Used JIRA to track and report the issues in the application. Applied Git for Version Control and code management.

Environment: HTML, CSS, Bootstrap, JSP, Servlets, Git, Java Core, Spring Core, Spring MVC, Tomcat 7.0, Hibernate 4, Windows 7, and Oracle 11g.

Confidential

Full-Stack Developer (React/Node.js/Express.js/MongoDB)

Responsibilities:

  • Designed a Single Web Application using React, Redux, Bootstrap, CSS, Node.js, Express.js, MongoDB, mongoose, and Google API.
  • Utilized passport to Call Google APIs for authentication if the users selected to login with Google Accounts.
  • Used Redux (Action, Middleware, Reducer, and Store) for managing Application Global State.
  • Designed reusable and feasible component containers for inserting different components pages.
  • Used React Props for Parent and Child Component Communication. Called setState() method to update the stateful component global state and the re-render DOM.
  • Implemented Express Routing by calling get(), post(), put(), and delete().
  • Handled libraries with NPM tools, initialized package.json file with npm Init, run the application with NPM start command by configuring the start scripts setting.
  • Configured MongoDB Connections and implemented CRUD operations with mongoose.
  • Utilized JavaScript Asynchronous Mechanism with Promise or Asyn/Await and handled exceptions with multiple try catch blocks for Asyn/Await usage.
  • Applied JavaScript ES6 features, for example, used let and const for variable definition, and imported packages with required() method.

Environment: HTML, CSS, Bootstrap, React, Redux, Git, Node.js, Express.js, MongoDB, Visual Studio Code, and Ubuntu 14.04/Linux Mint 17.

Confidential

Mobile Developer (Android SDK / LAMP)

Responsibilities:

  • Developed a Native Android APP by using Android SDK and LAMP.
  • Responsible for Developing Activity Modules and UI layout based on project requirements. Binding UI layouts and Activity class with setContentView() method inside OnCreate() method. Mainly Designed UI layout with LinearLayout and RelativeLayout.
  • Implemented Activity Life Cycle Methods OnCreate(), OnStart(), OnResume(), OnPause(), onStop(), OnDestroy(), and onRestart() in UI Components.
  • Configured AndroidManifest.xml by adding multiple activities and uses-permission. Changed the launching activity by moving the tag inside into different activities.
  • Applied UI Controls inside UI layouts for designing different pages, like TextView, EditText, Button, ImageView, CheckBox, RadioGroup/RadioButton, AutoCompleteTextView, Spinner etc.
  • Designed customer Adapter by extending BasedAdapter interface. Used setAdapter() method to bind the listView with the customer Adapter. Used notifyDataSetChanged() method to tell the ListView that the items in the dataset have changed.
  • Optionally applied Services, Broadcast Receivers, and Content Provider based on business logics. Wrote customized Animation, Color Style, Images, Menu, and Values inside resource package. Utilized Handler and switch case blocks to send and process different thread’s Message from MessageQueue.
  • Use Intent interface for Page Routing and its internal methods like putExtra() and getExtra() for Component communication (data transferring).
  • Developed server-side APIs using PHP inside Sublime Text/ PhpStorm and Called mysql connect() method for PHP MySQL connection.
  • Retrieved JSON data by calling server-side APIs with URLConnection class in UI Components.

Environment: Java Core, Android, MySQL, PHP 5.6, Apache server, Android Studio, Sublime Text 2/PhpStorm, Navicat, Windows 7, and Ubuntu 14.04/Linux Mint 17.

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