SUMMARY:

• 6 years of IT experience in Analysis, Design, Development, Implementation and Testing of Web Based, Client-Server using PHP, Python, JAVA
• Comprehensive knowledge in Data Structure, Algorithm, Object Oriented Design.
• Experience of working on relational database and NoSQL database, data processing and web technologies, setting business analysis based on big data etc.
• Worked on all phases of System development life cycle SDLC like System Analysis, Software requirement, specification/documenting, designing, coding, testing, debugging, application evaluation and implementation of complex systems.
• Extensive knowledge in HTML/HTML5, CSS/CSS3
• Designed and developed UI components, implemented event handling using HTML, JavaScript, AJAX and also Worked on CSS to get consistent look and feel of the web site.
• Expertise with design patterns.
• Well-versed with Object Oriented Programming with JavaScript.
• Comprehensive knowledge of physical and logical data modeling, performance tuning
• Good Knowledge on Search Engine Optimization SEO techniques.
• Extensive experience in relational database development, for creating complex database queries, writing Constraints, Indexes, Views, Stored Procedures, Cursors and Functions.
• Experience in using Object Relational Mapper ORM and retrieve data from different data sources.
• Experience on Web Technologies using HTML4/5, CSS2/CSS3, JavaScript, JQuery, JSON, AJAX, IDE andTool.
• Good Understanding of Document Object Model DOM and DOM Functions.
• Involved in Understanding functional specifications and developing creative solutions to meet business requirements.
• Team player with excellent communication, Trouble shooting, debugging and Strong analytical problem solving skills to deliver Technology products.
• Demonstrated ability to complete projects in deadline oriented environments.
• Work hard, good at multi tasks and always eager to learn new stuff and challenge myself.

TECHNICAL SKILLS:

Languages: Python, PHP, C , JAVA

Framework Technology: Laravel MVC, Flask, Bottle

Web Technologies: HTML, CSS, Java Script, JQUERY

Database: MySQL, MongoDB,Redis,Hadoop

Others: VPN,Git,Linux/unix

PROFESSIONAL EXPERIENCE:

Confidential

Role: JavaDeveloper

Confidential Side Platform DSP that enables advertisers to connect with their target audience on smartphones and tablets through Real-Time Bidding RTB on mobile ad Confidential targeting options, access to billions of ad impressions and a transactional machine-learning engine. In addition, Confidential has an in-house creative and development team that designs and codes banners, rich media ads. I am involved in most parts of those services and developed a good understanding of data processing and web working principles and also gained more coding experiences and knowledge of programming tools, languages.

• Involved in design, development and testing of the project
• Install and configure LAMP stack environment.
• Design table schemes and write store routines in MySQL
• Rapid prototyping of design concepts
• Used JavaScript, jQuery for user interactions in pages.
• Optimize exited store routines.
• Incorporate the AJAX scripts to improve the performance of the page
• Collect tracking data obtained from our tracking pixels and transform those data to support clients' need to see data reports easily and quickly.
• Responsible for Web Logic administration, maintenance and performance tuning
• Used CSS Sprites to decrease the number of HTTP requests and load time of web pages.
• Write REST APIs consumed by our UI and DSP.
• Write Python scripts to implement server to server communications.
• Use MongoDBand Redissatisfy our need to store more and more data from ads exchange, tracking pixels and third party and transformed data.
• Use a combination of Apache Pig and Java based MapReduce jobs to sort, aggregate and help make sense of large amounts of data.
• Maintenance of our RTBkit DSP c
• Involved in developing Technical Specification Document for our own wiki.
• Performed unit testing on modules to ensure functionality.

Environment:JAVA, J2EE, JQUERY,Linux,LAMP, VPN, Git, PHP, Flask, bottle, MySQL, MongoDB, Hadoop, C Mobile Operation System security research

Description: Confidential System was a project work that focused on Android devices security. Android phones have a lot of pop up ads. That increase security risk by copying personal information of the user.

• The project included working on java and android platforms and analyzing and reduce security risks for the users.
• Find and analyze Advertising libraries in Android applications, like how they work to show ads.
• Analyze the risks associated with these ads.
• Advertising networks analysis.
• Extensively involved in all stages of SDLC to produce high quality web and standalone solutions using Java, HTML, CSS and JavaScript.
• Used WebLogic API for automated approval and publishing of content between multiple stages
• Worked on JQuery Library.
• Developed custom stylesheets using CSS framework
• Handled the ORM mapping using hibernate framework
• Developed custom logic using PL/SQL for View Ads module
• Find all threats to the user privacy brought by the advertising libraries.
• Use Android framework to combat these threats.
• Provide solutions for reducing risks.

Environment: JAVA, HTML,JavaScript, PHP, Windows, Android Operation System.

Confidential

Position: Application developer

Description: Confidential . The company provides IT assistance tovarious mobile and internet companies. Our team was involved in developing an application for photographer. This application could show, share and sell images on mobile devices.

• Involved in Analysis, Design and development phases of project
• Created SQL Server Stored Procedures, Functions, Cursors, and Triggers to retrieve the data from the Oracle database and for data manipulations.
• Developed JSP pages and Java Script for the applications.
• Involved in designing and developing the application using JSPs, JavaScript, CSS and HTML.
• Created views, models and controllers to build MVC project.
• Worked on LINQ to XML to generate complex XML and load data from XML. Performance tuning of database indexes, handling of complex SQL queries, stored procedure.
• Developed functions using JavaScript and Server Side controls for frontend validations.
• Designed and developed Master pages and User controls.
• Developed complex stored procedures and complex queries using SQL Server for extracting, inserting and deleting the data from the database and display on data bound controls and dropdown controls and list boxes.
• Coordinating with Project and Software Quality Assurance SQA teams.
• Object-oriented design using UML Identification and implementation.
• Creating and maintaining of configuration files web.config for database connections, logging directory information and Server information.
• Performed Unit testing, Debugging, Performance tuning and Code Optimization.

Environment: JAVA, J2EE, JSP 2.0, Struts 2.0, DAO, Hibernate 3.0, Web Sphere AS 6.0, Oracle 10g, PL/SQL,

Confidential

Front-end developer

Description: Confidential is the largest network operator in China. The project involved a lot of development and maintenance of the company's website and allows users to have a great online experience.

• Involved in the requirement analysis, design, and development as well as in the testing of this product.
• Involved in setting up the demo to be accessible over the Internet.
• Provide website maintenance and enhancements
• Used AJAX to enhance the user experience and to improve performance
• Troubleshooting WebLogic Server and Oracle Database issues.
• Developed the UI panels using JSF, XHTML, CSS, DOJO and JQuery.
• Assist back-end developers in coding and troubleshooting.
• Developed Styles using CSS
• Assist in website design using Adobe Photoshop, Kuler, HTML, CSS, and javascript
• Create cascading style sheets CSS that are consistent across all platforms and browsers.
• Use a combination of markup languages to write web pages.
• Write functional requirement documents and specifications.
• Worked on the complete requirement/system specifications and test specifications.

Environment: JavaScript, HTML, XHTML, AJAX, CSS, JQuery, Oracle