# Kai Si

> Senior Software Engineer (Mobile) @ Capital One

Location: Los Angeles Metropolitan Area, United States
Profile: https://flows.cv/kaisi

Software engineer with 6+ years of working experience in a variety of fields - mobile, microservice-based backends, and site reliability. While my skill set allows me to work anywhere in the stack, my current interests are in continuing to build upon my mobile skillset.

## Work Experience
### Senior Software Engineer (Mobile) @ Capital One
Jan 2022 – Present | Remote
Building new features for retail banking customers on the Capital One iOS App.

### Site Reliability Engineer @ Google
Jan 2018 – Jan 2022 | San Francisco Bay Area
Keeping the Google Cloud Console reliable.

Designed and built a release platform for the Google Cloud Console, allowing internal Cloud developers to deploy changes to the Console independently and quickly, and facilitating safe and fast rollbacks.

Assisted in a wider initiative to break down the monolithic Cloud Console web app into independently releasable microservices, reviewing design docs and performing operational work to execute large-scale migrations safely.

Participated in incident response, performing operational tasks such as rollbacks and traffic management when required to mitigate an outage.

### Software Engineer (Mobile) @ Fivestars
Jan 2016 – Jan 2018 | San Francisco Bay Area
Worked on a redesign/rewrite of the Fivestars mobile app (for customers) from Objective-C/Java into a cross-platform React Native + Typescript app, growing app usage from 300k to 400k MAUs.

Led iOS development of a new mobile app (for business owners), using the VIPER architecture pattern. Built a Python/Kubernetes microservice backend which serves data from a time-series database populated by Kafka. Researched, built proof-of-concepts for, and presented architecture reviews for prospective technologies like Spring Boot, Cassandra and InfluxDB.

### Software Engineer Intern (Mobile) @ FiveStars
Jan 2015 – Jan 2015 | San Francisco Bay Area
Developed new features for the Fivestars consumer iOS app (~200k MAUs at the time), including parts of a Objective-C-to-Swift migration and setting up a UI testing framework.


## Education
### BS in Electrical Engineering and Computer Science, with Honors
University of California, Berkeley
Jan 2013 – Jan 2016

### Mark Keppel High School
Jan 2009 – Jan 2013


## Contact & Social
- LinkedIn: https://linkedin.com/in/kaisi
- GitHub: https://github.com/iak0

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Source: https://flows.cv/kaisi
JSON Resume: https://flows.cv/kaisi/resume.json
Last updated: 2026-03-22