# William Yang

> Engineering @ Normalyze | Cloud Data Security

Location: San Francisco, California, United States
Profile: https://flows.cv/williamyang

* Over 20 years of experience in early and mature software startups building applications/services from ground up with small focused teams.
* Proven track record of delivering scalable multi-tenant cloud applications from conception to production.
* Designed and implemented scalable, highly available, high throughput services and underlying data model.
* Experienced in Java, Spring and relational database.
* Familiar with Graph DB and NoSQL DB.
* Strong problem solving skills.
* Extensive experience with leveraging agile development methodologies during software development life cycles.
Strong technical and communication skills to work closely with Engineerings, Product Manager, Manager, UX design and QAs.
Lead & coach engineer team.

## Work Experience
### Software Engineer @ Normalyze
Jan 2024 – Present | San Francisco Bay Area

### Software Architect @ Okta, Inc.
Jan 2017 – Jan 2024 | San Francisco Bay Area
* Build and own the data sync pipeline, process 100M+ user data every day and keep growing.
* Design and build ingestion pipeline for Identity Governance to support sync app entitlements cross multiple services.
* Introduced data delta detection, largely improved the sync import performance.
* Design and build orchestration feature to support sync data in parallel. Heavily reduced the time for large user import. 
* Design and build a simple approval workflow to support customer's admin approval user access.
* Design and Build a group rule system to enable customers auto manage application access, application roles based on the user attributes and groups.
* Build OKTA Universal Directory (UD). UD is an underline system that stores all OKTA User data, app access and all related metadata.

### Principal Software Engineer @ OKTA
Jan 2015 – Jan 2017

### Senior software engineer @ eBay
Jan 2007 – Jan 2015

### Senior Software engineer @ Mphasis
Jan 2004 – Jan 2007

### Senior Engineer @ Mphasis (EDS), Shanghai
Jan 2003 – Jan 2004

### Technical Leader @ Erry
Jan 2000 – Jan 2003


## Education
### Master in Computer Engineer
San José State University

### bachlor in Computer science
Shanghai University


## Contact & Social
- LinkedIn: https://linkedin.com/in/william-yang-4369662

---
Source: https://flows.cv/williamyang
JSON Resume: https://flows.cv/williamyang/resume.json
Last updated: 2026-04-05