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Congchong Liu

Senior Software Engineer

Senior Software Engineer at OpenMail

Greater Los Angeles Area

Section title

Congchong Liu's Email Addresses & Phone Numbers

Congchong Liu's Work Experience


Senior Software Engineer


Senior Software Engineer, Data science

July 2015 to March 2016


Web Designer

September 2008 to June 2009

Congchong Liu's Education

University of Maryland Baltimore County

master, Computer Science (Distributed system, parallel computing, large scale system, machine learning)

2009 to 2011

Guangzhou University

B.S., Computer Science

2004 to 2008

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Congchong Liu's Estimated Salary Range

About Congchong Liu's Current Company


Frequently Asked Questions about Congchong Liu

What company does Congchong Liu work for?

Congchong Liu works for OpenMail

What is Congchong Liu's role at OpenMail?

Congchong Liu is Senior Software Engineer

What is Congchong Liu's personal email address?

Congchong Liu's personal email address is p****[email protected]

What is Congchong Liu's business email address?

Congchong Liu's business email addresses are not available

What is Congchong Liu's Phone Number?

Congchong Liu's phone (**) *** *** 410

What industry does Congchong Liu work in?

Congchong Liu works in the Computer Software industry.

Who are Congchong Liu's colleagues?

Congchong Liu's colleagues are Morgan Mellor, Gregory Baker, Chris Testa, Bill Guo, James Hush, Gerardine Montebon, Abby Bartlett, Rui(Gary) Jiang, Amy Chen, and Samuel Barron

About Congchong Liu

📖 Summary

Senior Software Engineer @ OpenMail Senior Software Engineer, Data science @ Tradesy From July 2015 to March 2016 (9 months) Web Designer @ ZHIYUAN CO TECHNOLOGIES: AJAX, JavaScript, HTML, CSS, Photoshop From September 2008 to June 2009 (10 months) Intern @ XIANGJIANG INC TECHNOLOGIES: Perl, SNMP From September 2007 to November 2007 (3 months) Senior Software Engineer, Data pipeline team @ the Rubicon Project TECHNOLOGIES:Hadoop, Java and Maven.RESPONSIBILITIES:Implemented and optimized Hadoop programs which process billions of impressions per day. From November 2011 to July 2015 (3 years 9 months) Greater Los Angeles AreaSoftware Development Engineer @ University of Maryland Baltimore County TECHNOLOGIES:C#, Struts2, Hibernate, Spring, AJAX, JavaScript, MySQL, JBoss, AntPROJECTS:Developed Integrated Medical data system (CaIntegrator, NBIA, CaArray) (sponsored by IBM) From May 2011 to November 2011 (7 months) MarylandResearch Assistant @ University of Maryland Baltimore County TECHNOLOGIES:Hadoop, MapReduce, Mahout (Machine Learning), X10, Distributed system, parallel programming, Load balance, Cluster computerPROJECTS:MapReduce in X10 (sponsored by IBM and published the paper)- Implemented a distributed MapReduce runtime system through X10, a parallel software development kit from IBM for distributed system, which supports intra-processor and inter-processor communication on the 8 cores×4 blades cluster computer with Linux system[2].- Designed a novel distributed MapReduce system and its partition algorithm for balancing the load of the Reduce function on the cluster computer, of which the performance have been improved by 2× compared to Hadoop [1].Observing the gulf oil spill through Flickr- Extended the original InputFormat Class of Hadoop to extract geo information from a 2.7GB XML image metadata file on a cluster computer consisting of 2 cores×4 blades, which got up to 8× performance of data processing than single-core computer.- Utilized Mahout to cluster the massive geo information data through the Hadoop system on the cluster computer.- Processed large scale data through Hadoop streaming and Python.- Set up and maintained 2 Hadoop clusters consisting of 20+ computers.Modifying the source code of Hadoop - Analyzed the architecture of Hadoop, and optimized it with the methodology in my paper [1].PUBLICATIONS[1] Congchong Liu and Shujia Zhou. Local and Global Optimization of MapReduce Program Model. The 7th IEEE 2011 World Congress on Services, July 2011, Washington DC, USA[2] Han Dong, Congchong Liu, and Shujia Zhou. MapReduce in X10. Frontiers on Multi-Core Computing 2nd Workshop, Sep. 2010, Baltimore, MD, USA From May 2010 to May 2011 (1 year 1 month) Maryland

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In a nutshell

Congchong Liu's Personality Type

Introversion (I), Intuition (N), Thinking (T), Judging (J)

Average Tenure

1 year(s), 2 month(s)

Congchong Liu's Willingness to Change Jobs



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