Yijun LIU

*** ***** ***** ******, ********, CO **226, United States

+1-307-***-**** adhzpt@r.postjobfree.com Yijunliulost yijunliu111 Summary

• 1 2 years of experience in software design, development and testing of Java/J2EE applications with strong Object Oriented Programming skills. With strong expertise in application development using back end technologies in Communication and retailer Domain.

• Over 2 years of algorithm design in machine learning using Python.

• Experience in developing server side programming using the Spring Framework including Spring Boot(MicroService), SpringData JPA, and Spring Redis. Familiar with the expedient development of Java backend flow.

• Experience in using J2EE technologies such as Spring IOC, Spring AOP, Spring MVC, JPARepository etc. Strong hand on experience in their configuration, integration and implementation.

• Experience in developing RESTful.

• Experience in developing front end UI using Angular 2+, Angular JS, Javascript, Typescript, HTML, CSS, AJAX, JSP, JSTL.

• Extensive experience in core Java technologies such as multi threading, collections, exception handling, polymorphism etc.

• Familiar with, MySQL, MongoDB and Oracle database.

• Experience in deploying web application in Apache Tomcat Server. Technical Skills

Programming Languages Java, SQL, Python, TypeScript, R, C#, Javascript, Fortran J2EE Technologies Spring IOC, Spring AOP, Spring MVC, Servlet, JDBC Framework Tools Spring, Spring Boot, Hibernate

Web Technologies HTML, XML, CSS, AJAX, JSON, REST, Angular JS, Angular 2+ Database Oracle 11g/10g, MySQL, MongoDB

Testing/Control Tools JUnit, Git

Work Experience

Teradata (Apr. 2017 Sep. 2018) China

SOFTWARE ENGiNEER Apr. 2017 Sep. 2018

• Involved in gathering requirements, analyzing user specifications, developing, and testing.

• Used SQL and Python analyze the data in communicating and financial industry.

• Helped design the front end of the project using HTML, CSS, JavaScript, JQuery.

• Used Java, J2EE, Hibernate and Spring Framework on the server side.

• Used Spring framework and Hibernate ORM to implement the middle tier with Spring IoC, AOP, Hibernate Dao Support and other features.

• Used Spring MVC framework on implementing Controllers.

• Used Hibernate, object/relational mapping, technique of mapping data representation from MVC model to Oracle Relational data model.

• Used Redis caching to store the JSON content from the front end for the subsequent calls to improve the system performance.

• Tested applications using JUnit to unit test for high quality code.

• Designed and implemented many kinds of machine learning and deep learning algorithms such as SVM, transfer learning, CNN etc by Python. Environments: J2EE, JDK 1.8, Spring, Spring MVC, Hibernate, JavaScript, JQuery, HTML, CSS, REST, Web Services, Redis, JUnit, Oracle, Maven. Education

University of Wyoming Wyoming, USA

MASTER OF SCiENCE iN COMPUTER SCiENCE Sep. 2018 Aug. 2020

• CGPA: 3.89/4.0

• Courses: Algorithm and Data Structures, Analysis Of Algorithm, Advanced Data Systems, Operating Systems Design, Machine learning, Data mining, ComputerGraphics,Randomness inComputation,MachineLearningApplicationtoCybersecurity,ComputabilityandComplexity,Math Theoryof Probability, Intro to Artificial Intelligence.

• Teaching Assistant in Java coding and Machine Learning class. Wuhan/Dalian University of Technology Wuhan, China BACHELOR/MASTER OF ENGiNEERiNG Sep. 2010 Jul. 2016

• Courses: Programming Language, Matrix and Numerical Analysis, Advanced Mathematics, Linear Algebra. Published Papers

2020 Yijun Liu, Chao Lan, Active Query of Sensitive Demographic Data for Learning Fair Models, CIKM. accepted 2019

Hui Hu, Yijun Liu, Zhen Wang, Chao Lan, A Distributed Fair Machine Learning Framework with Private Demographic Data Protection, ICDM.

accepted

Extracurricular Activity

CIKM 2020 Virtual Conference

CORE MEMBER Oct. 2020

• Presented a paper about fairness in machine learning as core member.

• Communicated with top scientists in data and knowledge for the next generation: sustainability, transparency and fairness. NOVEMBER 19, 2020 YiJUN LIU — RESUME 1

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