# Echo Z.

> Senior Infra SDE at LinkedIn

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

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

### Software Engineer @ Amazon Web Services (AWS)
Jan 2023 – Jan 2024

### Software Engineering Intern @ LinkedIn
Jan 2023 – Jan 2023 | Sunnyvale, California, United States
working on several projects in the space of enterprise platform logging
- audited all the existing logging for the enterprise platform and added the missing loggings for some core services
- built a new enterprise health dashboard to help the team monitor the overall health of core services.
- add alerts to data pipelines

### Graduate Teaching Assistant @ Northeastern University
Jan 2021 – Jan 2022 | San Jose, California, United States
Tutor students on CS concepts including object-oriented concepts and class-based program design etc.
Assist Professor on optimizing  students' learning outcomes and assist student on their labs and assignments.
Responsible for participation, grading homeworks and quizzes.

### Software Engineering Intern @ Expedia Group
Jan 2022 – Jan 2022
Vrbex OneLoyalty Project: 
- investigated and documented tech solutions in the Confluence Project Spikes
- built the graphql service in Vrbo backend to talk to the Expedia loyalty point backend LAC service
- integrated the loyalty point system into the vrbo iOS clients during the checkout flow.
Built the ab test of host messaging feature in vrbo iOS client: 
- built new graphql resolvers to fetch required data.
- set up the ab test for the new host messaging feature with complex UI layout using swift auto-layout.


## Education
### Master's degree in Computer Science
Northeastern University


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

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