# Han Zhao

> Software Engineer at Lattice Engines

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

I'm a recent graduate of Stony Brook University with a BS in Computer Science. My primary interests are in software scalability, cloud computing, databases, and machine learning. I'm most familiar with building full stack sites in React and I'm currently looking for a full time position.

## Work Experience
### Senior Software Engineer @ Lattice Engines
Jan 2022 – Jan 2022 | Foster City, California, United States
- Led the Activation team as both Technical Lead and Scrum Master, overseeing feature design, scoping, and assignment
- Successfully drove end-to-end development of lightweight Salesforce connector
- Optimized backend end-to-end CSV generation tests by implementing multithreading, resulting in a 83% reduction in runtime

### Software Engineer II @ Lattice Engines
Jan 2021 – Jan 2022 | Foster City, California, United States
- Identified and addressed a testing gap in the staging environment, leading to a hour reduction in manual verification during the release window
- Improved testing comprehensiveness and reduced the likelihood of production issues by creating end-to-end tests to cover backend CSV generation workflows

### Software Engineer @ Lattice Engines
Jan 2020 – Jan 2021 | Foster City, California, United States
- Refactored existing LinkedIn workflow, achieving a 20% reduction in launch time 
- Collaborated with QA, Product, UI, and UX teams to design and develop seven new external connectors, enabling customers to export segment data to seven additional destinations

### Software Development Intern @ IBM
Jan 2018 – Jan 2018 | Houston, Texas Area
• Developed scripts in PHP to automate storage provisioning on IBM cloud and practiced clean coding 
• Solved critical bug issues on backlog of Jira and peer reviewed code for push to production

### Intern @ The Nature's Bounty Co.
Jan 2017 – Jan 2017 | Ronkonkoma, NY
• Collaborated with other interns to create a college ambassador website
• Facilitated the onboarding of over 10 trucking carriers to the company through daily phone contact
• Maintained phone support with carriers to troubleshoot EDI document errors

### Assistant @ JianLian Cardiology
Jan 2016 – Jan 2016 | Greater New York City Area
• Calmed and reassured patients and family members, enabling accurate gathering of critical information
• Set up and conducted over 20 daily diagnostic tests, such as the EKG, Stress Test, and Nuclear Test
• Interrogated pacemakers, conducted echocardiograms and interpreted and uploaded Holter reports

### Volunteer @ JianLian Clinic
Jan 2015 – Jan 2016 | Greater New York City Area
• Filed over 30 paper blood draw forms for insurance billing every day
• Called patients to set up appointments for annual checkups with the EHR software


## Education
### Bachelor of Science (B.S.) in Computer Science
Stony Brook University
Jan 2015 – Jan 2019

### Stuyvesant High School
Jan 2011 – Jan 2015


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

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Source: https://flows.cv/hanzhao
JSON Resume: https://flows.cv/hanzhao/resume.json
Last updated: 2026-03-20