Leon Liu

520-***-**** adyrbg@r.postjobfree.com Green Card Holder

Professional Summary

• Oracle Certified Java programmer

• Certified Scrum Master

• 8+ yrs Java development.

• Served BMW, T-systems, Danaher, GE.

Work Experiences

Java Developer & Scrum Master

BMW R&D Center, Shanghai,CN 11/2021 to 07/2023

• Worked with a large team of Java and front-end developers to maintain and improve myBMW APP.

• Worked with front-end developers to complete improvements to the APP suggested by the Product manager team using Spring boot,Spring security,JPA, Redis, and GIT.

• Implemented caching technologies using Spring and Redis

• Wrote test cases and unit test using JUnit.

• Organized agile development process as Scrum Master.

Senior Java Developer

Xincheng Technology Ltd, Shanghai, CN 02/2017 to 10/2021

• Worked in a membership sales e-commerce website project.

• Developed web applications and RESTful APIs using Java, Spring boot, Spring MVC, Thymeleaf, MyBatis, Redis, MySQL and GIT.

• Performed CRUD operations.

• Integrated Spring Security to validate users.

• Used JUnit for unit test and integration test for new functionality

Java programmer

DSSI Company, Chandler, AZ USA 09/2013 to 01/2017

•Developed pharmacy system and medical system for McKesson using Java Spring MVC,Hibernate, Jquery, Oracle 11 and Sysbase IQ.

•Developed auto-scan function for Xerox using C# and ASP.NET MVC 5 .

•Developed Google plugin to enable auto-scan function easier and faster using auto-scan function.

Project Manager

Danaher Group, Hach Company, Beijing, CN 01/2008 to 08/2013

•Successfully implemented CRM system using Oracle Siebel CRM and rollout to all sales branches.

•Implement Data Mining using SPSS to analyze market trends.

Consultant

T-systems, Deutsche Telecom, Beijing, CN 01/2002 to 10/2007

•In Porsche DMS project, worked as ERP consultant responsible functions includes accounting module, CRM module, work flow using Microsoft Dynamics.

•In Timken India ERP project, implemented accounting FI/CO modules using SAP includes accounting, cost control and fix asset management.

Java Programmer Internship and co-op

GE Power Systems, Schenectady, NY, USA 03/2000 to 10/2001

•Wrote awarded e-commerce software with Java, JSP, Oracle 8i and WebLogic.

•Leadership award by GE for excellent organization and programming skill

Education

MBA 1999.8-2001.2

Rensselaer Polytechnic Institute - NY USA

Bachelor of Computer Science 1992.7-1996.7

Fuzhou University - Fuzhou, China Major in: Computer Science

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