# Hongliang Xu

> Staff Software Engineer at Databricks

Location: San Francisco Bay Area, United States
Profile: https://flows.cv/hongliang

## Work Experience
### Staff Software Engineer @ Databricks
Jan 2020 – Present | San Francisco Bay Area

### Senior Software Engineer @ Uber
Jan 2016 – Jan 2020 | San Francisco Bay Area
- Scaling Uber’s streaming data infrastructure using Apache Kafka to one of the largest Kafka deployments in the industry with trillions of messages per day

### Graduate Research Assistant @ Columbia University in the City of New York
Jan 2014 – Jan 2015
Columbia EventNet: http://eventnet.cs.columbia.edu/
- Developed a large scale structured concept library system with interactive ontology browsing, semantic event search and automatic detection of events and concepts embedded in user-uploaded videos
- Implemented the ontology data visualization using d3 library, and designed the back-end with searching function using Java Lucene and detection function using deep learning framework Caffe

### Software Development Intern @ Amazon
Jan 2015 – Jan 2015
- Built a data processing pipeline, transported data from data warehouse to AWS S3 and processed the data in AWS Elastic MapReduce using ETL manager, Java and Hive
- Utilized Hive on top of EMR and ran Hive script to build data families for generating insights from the data

2015 Global Intern Hackathon - 1st Place
- Developed an app for Amazon Echo to provide stock and market information automatically based on user requests
- Implemented functions on AWS Lambda in Node.js and retrieved information from Yahoo Finance in real time

### Graduate Research Assistant @ Tsinghua University
Jan 2013 – Jan 2014
Research on Super-Resolution Algorithm
- Designed a super-resolution algorithm which reconstructed HR image from several LR images by using the HR pixel as a parameter to fit a surface at each LR pixel and fused sampling values in the MAP fashion


## Education
### Master of Science (M.S.) in Computer Science
Columbia University

### Master's degree in Electronic Engineering
Tsinghua University

### Bachelor's degree in Electronic Engineering
Tsinghua University


## Contact & Social
- LinkedIn: https://linkedin.com/in/hongliangxu

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Source: https://flows.cv/hongliang
JSON Resume: https://flows.cv/hongliang/resume.json
Last updated: 2026-04-12