# Zack Petersen

> Staff Software Engineer at Robinhood

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

Proven record of successful delivery. Primary background in distributed systems, microservices, and the payments industry.

These things make me happy :)
- Clean Code
- High Throughput
- Low Latency

## Work Experience
### Staff Software Engineer @ Robinhood
Jan 2021 – Present | Menlo Park, California, United States
Trading Platform: Core

### Lead Software Engineer @ Visa
Jan 2020 – Jan 2021
[Open VisaNet] Building a next generation, GoLang-based payment processing system.
- Create design documents for microservice based architecture.
- Lead development of critical applications and business services.
- Set and enforce standards for high-quality code and development practices.

### Staff Software Engineer @ Visa
Jan 2016 – Jan 2020
[Open VisaNet] Designed, built, and deployed in-country payment processing authorization system.
- Created Erlang-based microservices to handle low-latency requirements for transaction completion.
- Using Ansible, deployed to multiple international data centers.
- Supported production environment.

### Sr. Software Engineer @ Visa
Jan 2013 – Jan 2016 | Foster City, CA
[VisaNet] Maintain and enhance VisaNet application (C++ / Assembly) running on zTPF mainframe OS. Gained domain experience on Visa's core payment authorization system.

### Programmer Analyst @ Walmart
Jan 2011 – Jan 2013 | Bentonville, AR
Served as a member of the Global Pricing Integration team.  Responsible for creating and maintaining systems that manage pricing information for all of Walmart's stores domestically and internationally.

### Information Technology Specialist @ University of Oklahoma
Jan 2009 – Jan 2010 | Norman, OK
Managed deployment, repair, and upgrades of all aspects of technology in the Price College of Business.


## Education
### Bachelor of Business Administration (BBA) in Management Information Systems, General
University of Oklahoma


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

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Source: https://flows.cv/zackpetersen
JSON Resume: https://flows.cv/zackpetersen/resume.json
Last updated: 2026-04-12