# Xian Kai Ng

> Software Engineer and first principles thinker

Location: Mountain View, California, United States
Profile: https://flows.cv/xian

Code go vroom. 
Improving scalability, reliability, correctness of systems.
Add features along the way too.

## Work Experience
### Senior Software Engineer @ The Voleon Group
Jan 2024 – Present | Berkeley, California, United States
Machine Learning research cluster helper

### Senior Software Engineer @ Tesla
Jan 2022 – Jan 2024 | Palo Alto, California, United States
Watch colorful lines

### Software Engineer @ Tesla
Jan 2020 – Jan 2022 | Palo Alto, California, United States
Fleet backend go zoom zoom

### Software Engineering Intern @ AppFolio, Inc.
Jan 2019 – Jan 2019 | Santa Barbara, California Area
- Parallelized and rearchitected core of tenant screenings (2nd highest income driver) for performance and development scalability. 50% current speedup, 200% speedup expected by 2020.
- Reworked 7 year old core front-end (screenings report) for modern design and legal compliance.
- Regenerated PDFs of reports in their original code version (!important).
- Drove $300,000 annual net revenue growth from programmatically suggesting renters' insurance to new tenants.
Reference: Eric Hawkins

### Grader (Operating Systems - Winter 2019) @ UCLA Henry Samueli School of Engineering and Applied Science
Jan 2019 – Jan 2019 | Los Angeles
- Graded 160 student's operating systems projects.
- Most detailed comments to date (vs. all previous graders)
- Debugged critical issue in grading script 
- Grading script previously gave full points to those who failed sanity checker; unreasonable test cases for list partitioning multithreaded access improvement
- Areas: Bash, Shell, Operating Systems, Parallel Processing, File Systems, IoT, Linux, Unix, Debugging, Grading, Reading, Writing, Communication

### Software Engineering Intern @ Procore Technologies
Jan 2018 – Jan 2018 | Santa Barbara, California Area
Modernizing front end with React
- 100x payload reduction, 20-50% speed up for TTI across the board
Optimizing backend (Rails and PostgresQL)
- 4x database time improvement
Creating features front to back
More: Kingxkok.github.io

### Project Mentor @ UCLA Henry Samueli School of Engineering and Applied Science
Jan 2017 – Jan 2017 | Greater Los Angeles Area
Collaborated with 4 mentors to guide 29 international high school students through 3-week intensive engineering design, build, test challenges. 
 Lead mentor for making upgraded PONG game with JS&HTML5. 
Hosted on: https://evening-bayou-26164.herokuapp.com 
Named: “Best Mentor” unofficially by students; “Best Year,” by supervisor.

### JIS Academy Student Counselor @ Jakarta International School
Jan 2016 – Jan 2016
Assisting the 9-11 year old second language English students in learning English 
Socializing/playing with them during break and PE


## Education
### BS - Summa Cum Laude in Computer Science
UCLA

### High School in IB Higher Level Math, Chem, Physics; Standard Level English, Economics, Japanese + Epistemology
Jakarta Intercultural School


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

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Source: https://flows.cv/xian
JSON Resume: https://flows.cv/xian/resume.json
Last updated: 2026-04-01