CS senior with backend,
UI/UX, and IT experience.

I'm Eli Cubillo, a CS senior at CSUN. I've built real-time web apps, worked on a mobile account opening redesign, and handled hardware, networking, and troubleshooting in the field.

Portrait of Eli Cubillo
Status
Open to Summer 2026 internships
Focus
Backend / UI/UX / IT
Location
Los Angeles / Remote or hybrid
Graduation
Dec 2026 / B.S. Computer Science / CSUN
Projects
Westside
Downtown
Valley
LiveActivity feed
SyncCast
Real-time app - Backend focus - 2025
Real-time activity app with auth, location-based posting, and live updates. I worked on backend logic for accounts, location checks, and data flow.
Node.js MongoDB Socket.IO JWT React
View on GitHub
1
Identity
2
Funding
3
Account
4
Review
Account type
Initial deposit
Funding source
Digital Account Opening Redesign
Premier America - UX - 2025
Mobile-first redesign for Premier America Credit Union's digital account opening flow. I reviewed the process, rebuilt key screens in Figma, and simplified the application steps.
Figma UX Design User flows Mobile-first
9.2
8.7
7.4
9.5
8.1
6.8
8.9
7.6
RateTheAlbum
search / rank / share
RateTheAlbum
Mobile-first web app - 2025-present
Mobile-first web app where users search albums, rank tracks, and generate shareable tier-list style cards.
React TypeScript Node Express Playwright
About

I'm a CS senior at CSUN with experience across backend development, UI/UX, and hands-on tech work.

I like understanding how things work under the hood, then improving them in a way that makes sense.

Skills
Development
React TypeScript Node.js Express MongoDB JavaScript REST APIs Socket.IO JWT SQL Playwright Git Postman C++
Design
Figma UI/UX Prototyping User flows Research Mobile-first Responsive design
IT / Support
Networking Hardware IT Support Troubleshooting Device setup Jira Confluence
Experience
Digital & Technology Intern
May - Aug 2025
Premier America Credit Union - Chatsworth
  • Reviewed the Digital Account Opening flow end to end and mapped each step of the application process
  • Built a mobile-first redesign in Figma with cleaner screens and clearer progress through the flow
  • Researched internal search and chatbot ideas with Azure AI for member support and internal use
  • Presented the redesign and recommendations to leadership, including the CEO and Chief of Technology
Figma UI/UX Research Azure AI Jira

IT Field Technician
Jan - Dec 2024
Sleep Number - Los Angeles
  • Installed and set up smart beds in customers' homes across different room layouts and network setups
  • Troubleshot hardware, firmware, app pairing, and Wi-Fi issues on site
  • Documented complex issues clearly and escalated them with diagnostics for faster follow-up
Hardware Networking Troubleshooting IoT

Data Operations Specialist
May 2021 - Jun 2022
Infiniti Health - Los Angeles
  • Handled data collection and reporting for COVID-19 testing operations
  • Tracked kits, records, and site activity while keeping reporting accurate and organized
Operations Data Reporting
Education
Expected Dec 2026
California State University, Northridge
B.S. in Computer Science
CS Senior Computer Science Software
2022 - 2024
Los Angeles Mission College
A.S. in Computer Programming
Full Stack Certificate Web Development Programming

Contact

Looking for Summer 2026 internships in software engineering, UI/UX, or IT. Email is the best way to reach me.