Zhaoxuan Liu

Email: adbqyt@r.postjobfree.com Tel: 617-***-**** Address: Boston, MA, 02115 Linkedin: Zhaoxuan Liu EDUCATION

Northeastern University Boston, MA

Master of Science in Computer Engineering 09/2017 — 12/2019 Bachelor of Science in Computer Engineering 09/2013 — 05/2017 Relevant Courses: Parallel Processing for Data Analytic, Objective-Oriented Design, Computer Architecture, Database Management Design, Machine Learning, Computer Networks, Software Security, Applied Probabilities and Stochastic Process, Operating System Design, Embedded Design: Enabling Robotics SKILLS

Languages: Java Python SQL C++ C Golang Bash Scala Database: MySQL PostgreSQL MongoDB Redis Amazon DynamoDB Oracle SQL Development: SpringMVC Docker AWS Hibernate Socket Junit Log4j Git Spark Django Maven EXPERIENCE

Algo Depth LLC 01/2019 — 05/2019

Software Engineer Co-op Cambridge, MA

• Designed trading module using Python with pandas, numpy, deepcopy and statesmodels in transaction system

• Implemented data-preparation module using Python with selenium, urllib, bs4, pandas, requests and tqdm

• Accomplished to parallel process large scale resilient distributed datasets with multiple features by implementing PySpark and using Python, visualized into csv files and JSON format using simplejson, pandas and matplotlib

• Performed TCP/IP application network analysis by developing automation testing scripts using Python socket Program

• Successfully imported Spark as parallel computing framework for distributed transaction system, increased the ratio of fault tolerance by 50% and the accuracy of data collections by 70%, the efficiency of data processing by 300% Northeastern University 09/2018 — 12/2018

Java Teaching Assistant Boston, MA

• Designed and built course materials and sample project associated with the lecture of object oriented design using Java

• Interacted with students in class, lab and online to answer syntax questions and logistics of OOD, tutor the principle of SpringMVC module, grade assignments, and instruct their final projects design.

• Successfully enhanced quality of lectures and 60% students’ academic performance, and raised 150% efficiency of work Yunzong Co.Ltd 09/2016 — 12/2016

Software Engineer Co-op Beijing, China

• Designed NoSQL database using Amazon DynamoDB service for distributed system, and implemented DynamoDBMapper and Java to accomplish CRUD operations and execute queries

• Deployed Node.js Express, developed web pages using Bootstrap, HTML5 and CSS, and achieved logical functions

• Implemented AWS Elastic Beanstalk to adjust auto-scaling for extensions based on the need of web application

• Built Clients and Servers using Java socket programming, and implemented data traffic with TCP and UDP

• Successfully increased the speed of response and request by 60%, and decreased the cost of web development by 30% PROJECTS

MyShop Web Application 06/2019 — 08/2019

• Designed login module in Java and SpringMVC, and accomplished authentication by using Java CAS Client

• Established the implementation of data access layer by using data access object (DAO) pattern, in order to load, update, and save data to SQL Server Online and used Ajax to communicate between the front end and server.

• Configured UserMapper.xml file using Spring JPA as ORM to complete CRUD operation by mapping database table and related object module for RESTful web service

• Managed the lifecycle, plugins and dependencies with Maven, reviewed code and wrote test with Junit, and configured the log of development with Log4j for the whole process of project Movie Recommendation System 01/2018 — 04/2018

• Reduced and mapped RDD (Resilient Distributed Datasets) for Machine learning model training

• Built and implemented ALS model by importing from Spark MLlib and developing using PySpark API and Python

• Analyzed and Optimized the result by adjusting parameters(rank, numIterations, lambda, alpha) by lowering MSE

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