# Zachary Cowan

> ▲ Software Engineer

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

I'm a software engineer with a passion for creating extraordinary user experiences with clean code. I'm most proficient at tackling problems involving data, design, and developer experience, but am constantly exploring new technologies and finding emerging problems to solve! Always interested in learning something new.

## Work Experience
### Software Engineer @ Vercel
Jan 2025 – Present | New York, United States
Platform - Reliability

### Software Engineer II @ American Express
Jan 2024 – Jan 2025 | United States
Engineering design systems to support thousands of engineers across American Express, with a particular focus on adhering to accessibility guidelines set by the WCAG, building flexible React TypeScript APIs, and ensuring reliable software through testing and CI/CD pipelines.

Creating tools to gather usage data about npm packages across the enterprise and building web interfaces to display the data in a user-friendly way using React, WebAssembly, and SQLite.

Delivering improvements to JavaScript bundling across the enterprise.

### Software Engineer III @ American Express
Jan 2023 – Jan 2024 | United States
Engineering design systems to support thousands of engineers across American Express, with a particular focus on adhering to accessibility guidelines set by the WCAG, building flexible React TypeScript APIs, and ensuring reliable software through testing and CI/CD pipelines.

Creating tools to gather usage data about npm packages across the enterprise and building web interfaces to display the data in a user-friendly way using React, WebAssembly, and SQLite.

Delivering improvements to JavaScript bundling across the enterprise.

### Software Engineer @ American Express
Jan 2022 – Jan 2022 | United States
- Led development of theme builder web application for the Amex design language system, impacting 1000's of projects across the enterprise
- Improved developer experience of consumers of the Amex React component library by adding TypeScript declaration files in order to support TypeScript and autocompletion in IDEs

### Site Reliability Engineer @ American Express
Jan 2021 – Jan 2021 | United States
- Led team in combination of 6 Prometheus servers monitoring 1000’s of different Kubernetes pods into 1 scalable Thanos server with 1 universal Grafana dashboard using Ansible.
- Increased metric retention from 14 days to 365 days and reduced computations needed for long-range queries by up to 98% using Thanos Compact.

### Software Engineer @ American Express
Jan 2020 – Jan 2020 | United States
- Created new internal directory web app with searching to replace outdated technology, improving service provider efficiency.
- Developed over 100 unit tests with 100% code coverage and extensive documentation for future development ventures.
- Led frontend UI/UX design meetings and code reviews to ensure user-focused design.

### Software Engineer @ SiteForm
Jan 2020 – Jan 2020 | United States
- Integrated server-side searching, filtering, and sorting with React and GraphQL on paginated data tables in web app.
- Created dashboard for live data to fulfill customer requests using React and GraphQL.
- Identified and solved UI/UX design problems with mobile and web app.

### Tech Director @ SwampHacks
Jan 2019 – Jan 2020 | Gainesville, Florida
- Developed frontend and backend systems to run hackathon using React, JavaScript, and Firebase (GCP).
- Improved event statistic tracking by using NFC tags to uniquely identify hackers at check-in.
- Cooperated closely with organizers and art team to turn user stories into technical features.

### Software Engineer @ Lockheed Martin
Jan 2019 – Jan 2019 | Orlando, Florida
Technologies: C/C++, Embedded Systems
- Developed real-time data analysis system to prevent critical system shutdowns, saving thousands in recurring maintenance costs.


## Education
### Bachelor's degree in Computer Science
University of Florida


## Contact & Social
- LinkedIn: https://linkedin.com/in/zacowan
- Portfolio: https://www.zacowan.com
- GitHub: https://www.github.com/zacowan

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Source: https://flows.cv/zacharycowan
JSON Resume: https://flows.cv/zacharycowan/resume.json
Last updated: 2026-04-13