# Jeffrey Xiao

> Software Engineer

Location: New York, New York, United States
Profile: https://flows.cv/jeffreyxiao

I am a software engineer interested in distributed systems, databases, and low-level systems. I am a graduate of software engineering co-op program at the University of Waterloo Class of 2021.

## Work Experience
### Software Engineer Intern @ Undisclosed Financial Institution
Jan 2020 – Jan 2020 | New York, New York, United States
Implemented features for highly-available, low-latency service discovery.

### Software Engineer Intern @ Undisclosed Financial Institution
Jan 2020 – Jan 2020 | New York, New York, United States
Optimized low-latency trading systems and order engines.

### Backend Engineering Intern @ Cockroach Labs
Jan 2019 – Jan 2019 | Greater New York City Area
– Integrated manual range splits with automatic range merges and implemented expiration of manual splits.
– Decreased range descriptor cache misses by over 50% in frequent range split and relocate workloads by improving the eviction policy, using logical timestamps to determine staleness, and coalescing requests.
– Implemented a SSTable based snapshot strategy to decrease memory usage and speed up snapshot application.

### Software Engineering Intern @ Google
Jan 2018 – Jan 2018 | Mountain View, California
– Built large-scale, robust data analysis pipelines to serve machine learning models for improving ad asset selection and composition.
– Streamlined and extended pipeline for selecting and enhancing top performing AdGroups, and increased total network revenue by 0.2%.
– Developed dashboards to evaluate performance of models and discover insights for further improvements.

### Software Engineering Intern @ datacoral Inc
Jan 2018 – Jan 2018 | San Francisco Bay Area
– Scoped out, architected, and implemented highly scalable materialized views in Redshift using Kinesis Data Streams, DynamoDB, and Lambda.
– Used timelabel tags to represent the state of underlying data, update materialized views when dependencies get updated, and handle schedule and view definition changes.
– Built critical APIs and migration scripts to launch a web application for monitoring materialized views and data pipeline performance.

### Software Engineering Intern @ Yelp
Jan 2017 – Jan 2017 | San Francisco, California
– Evaluated solutions for better client-side JS error reporting.
– Implemented and rolled out infrastructure to process over 25 million errors every month to over 20 services.
– Modernized build pipeline and built tooling to migrate services from Google Closure Library to ES6 and Webpack, and from npm to yarn.
– Helped developed infrastructure and tooling to migrate services to React, including server-side rendering of React components.

### Software Engineering Intern and Project Lead @ Ivy Global
Jan 2015 – Jan 2016 | 150 Eglinton Ave East
– Led the development of a bubblesheet scanner and grader using .NET, convolutional neural networks, and custom imaging processing algorithms to process blurred, tilted, and imprecise images.
– Developed an ASP web application that displays SAT scores and statistics for mock exams in real time.

### Operations Executive @ Creativity Through Arts
Jan 2014 – Jan 2016 | Markham
– Responsible for the logistics and sponsorships behind events.
– Taught a web development course for high schoolers (creativitythrougharts.com/ctc).
– Managed website and blog.

### President @ UTS Programming Club
Jan 2013 – Jan 2016 | 371 Bloor Street West
– Created information sheets and lectures on various topics in discrete mathematics.
– Coached ECOO teams.
– Cohosted a contest: dmoj.ca/contest/utsopen15

### Intern @ H.H. Angus & Associates Ltd.
Jan 2015 – Jan 2015 | 1127 Leslie St, Toronto
– Researched floor and room designs for Centre Hospitalier de l’Universite de Montreal.
– Used CADD software to design an architectural model. 
– Reported any discrepancies between 3D model and client specifications.


## Education
### Bachelor's degree in Software Engineering
University of Waterloo

### Highschool
University of Toronto Schools


## Contact & Social
- LinkedIn: https://linkedin.com/in/jeffreyxiao
- Portfolio: http://jeffrey-xiao.github.io
- GitHub: http://github.com/jeffrey-xiao
- Portfolio: http://devpost.com/jeffreyxiao

---
Source: https://flows.cv/jeffreyxiao
JSON Resume: https://flows.cv/jeffreyxiao/resume.json
Last updated: 2026-03-29