# Erik Ji

> Software Engineer | HCI + ML Researcher | ECE & CS @ Illinois

Location: San Jose, California, United States
Profile: https://flows.cv/erikji

## Work Experience
### Machine Learning Intern @ UserTesting
Jan 2025 – Present | San Francisco Bay Area
• Architected and shipped a production AI system using Next.js, Tailwind CSS, and AWS (via CDK), integrating securely with UserTesting’s platform services for automated UX heuristic analysis and test generation
• Led the productionalization of the system, supporting a closed beta launch in December 2025
• Operated in an agile, highly interdependent environment with deep collaboration across product, design, backend, ML, and various platform services teams

### Graduate Researcher @ University of Illinois Urbana-Champaign
Jan 2024 – Present | Champaign, Illinois, United States
• Building data management platform for building user interface (UI) screen datasets for UI understanding
• Developing dataset repository/platform with focus on user-controlled privacy and data security

### Head Graduate Teaching Assistant @ University of Illinois Urbana-Champaign
Jan 2024 – Jan 2024 | Champaign, Illinois, United States

### Undergraduate Researcher @ University of Illinois Urbana-Champaign
Jan 2024 – Jan 2024 | Champaign, Illinois, United States
• Building interaction mining tools for UBA research
• Developing web interfaces for UX researchers to view insights based on interaction data

### Course Assistant @ University of Illinois Urbana-Champaign
Jan 2023 – Jan 2024 | Urbana-Champaign Area
CS 409: The Art of Web Programming
• Working with students to elevate their designs
• Preparing and handling course materials
• Grading assignments

### Machine Learning Intern @ UserTesting
Jan 2024 – Jan 2024 | San Francisco Bay Area
• Developed a Figma plugin to automate heuristic design feedback and user evaluation survey generation using multi-modal LLM based on visual and structural design data
• Built with Next.js, Tailwind CSS, and Framer Motion; deployed on AWS with Vercel AI SDK for LLM integration
• Delivered and presented prototypes and project outcomes to managers, product managers, and C-suite executives

### Senior Frontend Engineer @ Endevre Technologies LLC
Jan 2023 – Jan 2024 | Sacramento, California, United States
• Developed front-end user configuration and payment interfaces in React.js, Tailwind CSS
• Defined new product visual language standards and UI paradigms
• Produced marketing material and graphics for company advertising
• Conducted code reviews and provided constructive feedback to team members


## Education
### Master of Science - MS in Computer Science
University of Illinois Urbana-Champaign

### Bachelor's degree in Computer Engineering
University of Illinois Urbana-Champaign

### High School Diploma
Lynbrook High School


## Contact & Social
- LinkedIn: https://linkedin.com/in/erik-ji
- Portfolio: https://erikrji.me/

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