# Michael Hang

> Senior Software Engineer at Square

Location: New York, New York, United States
Profile: https://flows.cv/michaelhang

## Work Experience
### Senior Software Engineer @ Square
Jan 2023 – Present | New York, United States
Global payment methods.

### Software Engineering Lead @ Juni Learning
Jan 2020 – Jan 2022 | San Francisco, California, United States
• Managed Payments team. Led a team of engineers/PM on projects related to subscriptions, billing, and marketing. Grew subscription upsells by 16% YOY while reducing customer churn by 30%.
• Collaborated with the data team to set up an analytics pipeline using Segment and Snowflake. Constructed metrics dashboards using Looker to measure performance of marketing campaigns.
• Expanded Stripe integration to support new product offerings (Juni On Demand, Juni Live). Oversaw design and implementation of payment checkout flows using React and Node.js.
• Automated subscription management process, reducing offshore CSR workload by >60%.

### Software Engineer @ GRAIL, Inc.
Jan 2017 – Jan 2020 | Menlo Park
• Led frontend engineering for greenfield test commercialization project. Developed patient intake and test result portal interfaces using React and Redux.
• Implemented changelog feature for electronic data capture system to allow external audit of >1MM patient records. Represented EDC team during meetings with FDA officials.
• Collaborated with the clinical data team to rework the patient data collection process. Added support for dynamically rendered questionnaires based on JSON schema.

### Software Engineer @ Shape Security
Jan 2016 – Jan 2017 | Mountain View, California
• Implemented high-throughput (>10k QPS) Layer 3 filtering tools for scriptable reverse proxy server. • Designed a stolen credential reporting service in Java using bloom filters.
• Developed HAR file processing tool, allowing the recording and replaying of HTTP requests.

### Application Security Intern @ Groupon
Jan 2015 – Jan 2015 | Chicago, IL
• Utilized Splunk to investigate customer account takeovers.
• Implemented rate limiter for threat blocking Node.js application.

### Residential Computing Consultant (RCC) @ Stanford ResComp
Jan 2013 – Jan 2015 | Stanford, CA
•  Provided technical troubleshooting services for residential Stanford students.
•  Planned community-building events and technology literacy workshops.

### Data Metrics Intern @ Groupon
Jan 2014 – Jan 2014 | Palo Alto, CA
• Added frontend features for internal data visualization tools.
• Optimized Ruby testing suite for production server configuration.

### Team Leader @ Stanford Libraries
Jan 2012 – Jan 2013 | Stanford, CA
• Provided technical assistance for multimedia hardware and software.
• Managed scheduling for student tech desk consultants.

### Programming Intern @ Imanen
Jan 2012 – Jan 2012 | Palo Alto, CA
• Integrated Facebook, Twitter, and Google+ APIs into RubyTack mobile app.
• Developed social network/RSS feed aggregator.


## Education
### Bachelor of Science (BS) in Computer Science, Systems Track
Stanford University
Jan 2011 – Jan 2015


## Contact & Social
- LinkedIn: https://linkedin.com/in/michael-hang-6202b86a

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Source: https://flows.cv/michaelhang
JSON Resume: https://flows.cv/michaelhang/resume.json
Last updated: 2026-03-22