# William Xiao

> Software Development Engineer at Amazon

Location: Seattle, Washington, United States
Profile: https://flows.cv/williamxiao

## Work Experience
### Software Development Engineer @ Amazon
Jan 2021 – Present | Seattle, Washington, United States

### Teaching Assistant, CS 1110: Introduction to Computing using Python @ Cornell University
Jan 2018 – Jan 2021
• Head Consultant, June 2019 - January 2021
• Mentor Consultant, January 2019 - June 2019
• Answer questions and provided guidance during lab and office hours, helping to enhance the students’ knowledge of Python and general good programming practices
• Graded homework in a timely and consistent fashion to ensure a fair grading system.

### Treasurer, Just About Music Hall Council and Cornell Wind Symphony @ Cornell University
Jan 2017 – Jan 2020
• Submitted and managed a $10,000 budget request to the funding commission for goods that would contribute to the residence hall’s overall goal of being a collaborative space for musicians
• Helped plan out and advertise dorm-wide events that drew ~60-70% of the residents, drastically increasing community participation from ~15% previously.

### Business Subteam Member, Cornell Design Build Fly @ Cornell University
Jan 2017 – Jan 2018
• Grew sponsorship deals by $1000 annually from previous year by suggesting potential collaborations that would promote and increase public interest in both brands 
• Increased interest for recruiting and community presence by updating the website and creating and distributing promotional content through other social media platforms (videos, newsletters, etc.)

### Software Development Engineer Intern @ Amazon
Jan 2020 – Jan 2020
• Designed and implemented a systematic workflow for Amazon's brand catalog to verify millions of brands in various geographical contexts, helping fulfill the goal of validating all brands contributing to the top 75% of product page hits by the end of 2020
• Developed familiarity with AWS tools such as CDK, Step Functions, Activities, Lambdas, S3, DynamoDB, CloudFormation, and CloudWatch, languages such as Scala, TypeScript, and Java, and frameworks such as Spark

### Investments IT Intern @ MetLife
Jan 2019 – Jan 2019 | Whippany, NJ
• Developed Excel automation to process quarterly data with 70,000+ trades between MetLife and 100+ trading counterparties and carry out data transformation based on functional rules, slashing completion time by 99%
• Leveraged data visualization tools such as Power BI to more effectively communicate 140K lines of data to help senior business leaders track performance and more easily make informed key business decisions  
• Created and presented a conversational AI bot for trading activity performed by Girls Who Code members that provided basic statistics/information on their trades, further deepening their interest/passion for computer science

### Consolidation Intern @ EasyPost
Jan 2018 – Jan 2018 | San Francisco Bay Area
• Sourced and created 150+ leads for new product launch (EasyPost Consolidation), with yields of >35%.
• Drafted and pushed Twiki internal Product Requirement Documents to improve efficiency of booking freight, decreasing head count from 3 to 1 
• Implemented a new landing page and marketing content for EasyPost Freight to generate inbound sales

### Intern @ Pediatric Aids Chicago Prevention Initiative (PACPI)
Jan 2016 – Jan 2016 | Greater Chicago Area
• Streamlined data analysis to identify impact of preventative measures at reducing the spread of HIV in the greater Chicago area by performing quality control of client database containing confidential personal health information
• Executed data validation on HIV monthly surveillance reports from all Illinois birthing hospitals, ensuring data accuracy to analyze trends in data


## Education
### Bachelor's degree in Operations Research and Engineering/Computer Science
Cornell University

### Montgomery High School


## Contact & Social
- LinkedIn: https://linkedin.com/in/william-xiao-700544145

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Source: https://flows.cv/williamxiao
JSON Resume: https://flows.cv/williamxiao/resume.json
Last updated: 2026-03-29