Artsiom Liaver

Senior Software Engineer

Upsilon•  May 2016 - February 2021

Implement multi-threading and exception handling to improve application functionality Participate in full lifecycle of development for company web application using Django framework Created RESTful APIs for increased scalability of the application Designed front-end of web application using React, Vue, CSS Run Hadoop streaming jobs to process terabytes of XML data Performed cleaning and filtering on imported data using Hive and MapReduce Utilized object-oriented programming and Python for creating business logic Wrote SQL queries to retrieve data from the database using JDBC

Software Engineer

Artezio•  February 2012 - April 2016

Leverage Hadoop and HDP to analyze massive amounts of clickstream data and identify the most efficient path for customers making an online purchase Import data from MySQL to HDFS, using Sqoop to load data Develop MapReduce jobs in python for log analysis, analytics, and data cleaning Developed Oozie workflow to automate the loading of data into HDFS and Pig for data pre-processing Developed ETL framework using Python and Hive (including daily runs, error handling, and logging) to glean useful data and improve vendor negotiations Implemented Hadoop data pipeline to identify customer behavioral patterns, improving UX on e-commerce website Run Hadoop streaming jobs to process terabytes of XML data Successfully implemented Cloudera on a 10+ node cluster Developed and designed a10+ node Hadoop cluster for sample data analysis

California Institute of Technology

Computer Science & Engineering, BS•  April 2007 - November 2011

completed courses in computer science, robotics, and statistics Graduated summa cum laude—3.8+ GPA Studied and became conversational in Chinese during a semester abroad in Mexico