Upcoming
Full-time
Capital One
Software Engineer
Returning to Capital One full-time as a Software Engineer after my Summer 2026 internship.
Software Engineer | MCS-DS @ UIUC | Incoming SWE @ Capital One
Hey, I'm Kobe Guo.
I'm a software engineer and
University of Illinois Urbana-Champaign
MCS-DS student focused on production-ready software.
I like building clean systems,
reliable workflows, and tools that solve real problems.
Here's a bit more
and how I work.
- Backend systems
- Machine learning
- Python + SQL
- React.js
Experience
Experience that backs up the portfolio.
A mix of industry internships, a full-time role ahead at Capital One, and client-facing development that shows both technical depth and real-world execution.
Internship
Capital One
Software Engineer Intern
Built a feature across the Capital One Android and iOS apps that lets customers print a physical card from card kiosks at 25+ Capital One Cafés, using Kotlin, Jetpack Compose, and Android Studio.
Freelance
Self-Employed
Freelance Developer
Built and shipped client work for small businesses, with hands-on ownership across frontend improvements, performance tuning, accessibility fixes, and production-ready updates.
Internship
Nourish'd
Software Engineer Intern
Built product features across mobile and backend systems, including a React Native ordering app and a MySQL-to-Firebase migration that supported more scalable, real-time product behavior.
Selected Work
Projects that show how I think, build, and ship.
A mix of backend systems, machine learning, automation, and full-stack projects with a bias for clean execution and measurable outcomes.
-
LinkLift - URL Shortener
Redis, PostgreSQL, React, Tailwind CSS, Docker, AWS EC2
- Built a production URL shortener implementing the cache-aside pattern with Redis and PostgreSQL, achieving 5,998 req/sec at 50ms p99 latency under 100 concurrent connections.
- Implemented Redis-backed rate limiting at 10 req/min per IP and async click analytics tracking user-agent, IP, and timestamp per redirect.
- Deployed to AWS EC2 with Docker Compose, pm2 process management, automated startup migrations, and a React/Tailwind frontend served in production.
-
Universal Lesion Segmentation Challenge 2023
Python, TensorFlow, Keras
Collaborated with a multidisciplinary team to fine-tune medical image segmentation models on hospital bone datasets, achieving a 0.87 Dice score for lesion segmentation.
-
TikTok Video Scraper
Python, BeautifulSoup, Selenium
Developed a scraper that navigates TikTok pages, parses relevant HTML, and collects video links for download workflows. The project sharpened my skills in browser automation and resilient scraping.
