SK

Alex Chi Z

@skyzh

building database systems @databricks, previously @cmu-db; a bubble tea every day makes me happy right away

Bellevue, WA, USA ⇌ Shanghai, China

Website

@iskyzh

Joined April 2013

8222 Followers

787 Following

AI Insights & Achievements

56/ 100

Quality

Avg 123.5 stars per repo.

Growth

7 new projects with 3767 stars.

Consistency

20 day streak.

Profile README

Hi, I'm Chi, currently working on Lakebase (aka Neon) in Databricks.

Personal project highlights:

mini-lsm build a storage engine in a week
tiny-llm build LLM serving infra in a week

Organizations

CM SJ DY TU TI IS SJ SJ UN HM RI

Public Repos

126

Total Stars

12350

Total Forks

1201

Public Gists

57

Top Languages

Based on primary language of repositories

Recent Activity

Contribution Graph

Activity Timeline

Commits and contributions grouped by day, week, or month.

High productivity periods

Most active day: January 11th, 2026 • 4 contributions

Most active week: Nov 17–Nov 23 • 8 contributions

Most active month: Apr 2025 • 211 contributions

Pushed to master at sjtug/sjtug.github.io

February 2nd, 2026 3:58 AM

Pushed to master at sjtug/sjtug.github.io

January 29th, 2026 2:34 PM

DeleteEvent on neondatabase/azure-sdk-for-rust

January 28th, 2026 7:25 PM

merged pull request in neondatabase/azure-sdk-for-rust

January 28th, 2026 7:25 PM

Pushed to neon at neondatabase/azure-sdk-for-rust

January 28th, 2026 7:25 PM

PullRequestReviewEvent on neondatabase/azure-sdk-for-rust

January 28th, 2026 7:25 PM

PullRequestReviewCommentEvent on neondatabase/azure-sdk-for-rust

January 28th, 2026 7:25 PM

Pushed to skyzh/cpk at neondatabase/azure-sdk-for-rust

January 28th, 2026 7:24 PM

opened pull request in neondatabase/azure-sdk-for-rust

January 26th, 2026 7:41 PM

Created branch skyzh/cpk in neondatabase/azure-sdk-for-rust

January 26th, 2026 7:41 PM

GitHub Analytics

Alex Chi Z

Quality

Growth

Consistency