# Chang Liu

> Software Development Engineer at Amazon Web Services (AWS)

Location: San Francisco Bay Area, United States
Profile: https://flows.cv/changliu1

A software engineer with experience in distributed system, search&analytics, Java, Python, Javascript and Groovy.
An Investment Analyst who passed CFA Level I. Broad experience in professional Financial Statement Analysis, Equity, Fixed Income assets and Derivatives Valuation. Data searching and analysis ability with Bloomberg Certification. Responsible Financial Modeling and Auditing proficient in Blackrock and Postal Savings Bank of China. Passionate and motivated, with a drive for excellence. Experienced in auditor and Financial Modeler positions.

## Work Experience
### Software Development Engineer @ Amazon Web Services (AWS)
Jan 2020 – Present | East Palo Alto, California, United States
Search Services - Amazon OpenSearch Service(Amazon Elasticsearch Service)

### Maintainer/Committer @ OpenSearch Project
Jan 2020 – Present

### Software Engineer @ Oracle
Jan 2018 – Jan 2020 | Redwood City, California, United States
Worked on core product Revenue Recognition of Oracle NetSuite cloud-based ERP solution(Java, Oracle SQL)

### Associate Application Engineer @ ServiceNow
Jan 2016 – Jan 2018 | Santa Clara, California, United States
ServiceNow Security Operation Applications

• Developed security vendor integrations to integrate security vendors (such as Splunk, Elasticsearch, Carbon Black etc.) with ServiceNow security applications to replace the classic integrations and implemented security operation capabilities (such as Sighting search, Block request etc.) using JavaScript, RESTful API and MySQL database.
• Developed custom UI interfaces using React/Redux for the machine learning driven security operation applications (Security Incident Response app, Vulnerability Response app, Configuration Compliance app, and Security Operation Integration apps etc.). Enabled customer to build new customized UI interfaces.
• Developed a new Script Include Rest API library to enable external developers to integrate with ServiceNow security operation apps.


## Education
### Master of Science - MS in Computer Science
Sofia University

### Master of Science (M.S.) in Financial Analysis
University of San Francisco

### Bachelor of Economics in Finance, General
Xiangtan University

### Web and iOS developement
Coding Dojo

### High School
长沙市一中(The First Middle School of Changsha)


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

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Source: https://flows.cv/changliu1
JSON Resume: https://flows.cv/changliu1/resume.json
Last updated: 2026-04-10