# Gus Nguyen

> Senior Software Engineer at Stripe

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

Building cool AI products at Stripe. Mostly talking to LLMs on a daily basis

## Work Experience
### Senior Software Engineer @ Stripe
Jan 2024 – Present | San Francisco, California, United States
Developer AI team: Building the Stripe AI experience, for agents
Cards Integration (February 2024- September 2024)

### Software Engineer @ Stripe
Jan 2021 – Jan 2024 | San Francisco, California, United States
Payments, Backend/API engineer

Expanding Stripe Cards Payment 

https://stripe.com/payments

### Software Engineer @ AppFolio, Inc.
Jan 2020 – Jan 2021
Core Payments team

- Engineered end-to-end features for payment platform, and integrating with different services/APIs
- Refactored and improved mission critical service and migrated 100% users to a new pricing strategy
- Collaborated with different stakeholders (Sales, Support, Leadership) in sharing technical specs,
iterating on customer feedback, and carefully rolling out changes to ensure a smooth transition
- Optimized performance by 300% for heavily trafficked endpoints with query optimization techniques
- Led Machine Learning team of 5 in building a system spanning 4 services for churn prediction

Tech Stack: Ruby, Ruby on Rails, Javascript/TypeScript, React, AWS, Terraform, AWS SageMaker, MySQL, scikit-learn, TensorFlow

### Software Engineering Intern @ AppFolio, Inc.
Jan 2019 – Jan 2019
Back-end infrastructure team; focusing on automated availability monitoring and database performance
  - Implemented dynamic environment configuration on CircleCI for Blue-Green Deployment
  - Built feature to add bulk time entries so large law firms can efficiently enter their data
  - Detected and improved inefficient incoming email queries

### Software Engineering Intern @ Housecall Pro
Jan 2019 – Jan 2019
Fintech team

- Built feature for admins to override default payment rates in user's payment plan
- Built feature to parse and update invoice due date to collect overdue invoices and automate payment reminder
- Working on Machine Learning model to predict customer's credit card usage using Python, scikit-learn, pandas, AWS SageMaker

### Software Engineering Intern @ Housecall Pro
Jan 2019 – Jan 2019 | Greater San Diego Area
Growth Team

- Wrote Rails script to backfill historical data; added event tracking in product for data analytics using Segment API
- Built end to end features to execute A/B tests and drive user growth using Ruby on Rails, React

### Software Engineer @ Stealth Startup
Jan 2017 – Jan 2017 | Greater San Diego Area
Generalist

- Integrated Google Maps API into backend to track events given a specified geofence
- Led team in design and planning phase; constructed milestones by prioritizing app feature
- Deployed prototype on AWS for testing

Technologies used: Javascript, Node.js, React, MongoDB, AWS

### Software Engineering Intern @ Grifols
Jan 2016 – Jan 2016
Mobile Team

- Designed and implemented UI/UX, built screens and layouts for internal messaging application
- Implemented push notifications for messages, token-based authentication for mobile backend
- Built a set of customized notification layouts in Android which can be picked from settings


## Education
### Bachelor of Science in Mathematics and Computer Science, Business Minor
UC San Diego

### High School
Fairmont Preparatory Academy


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

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