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.
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
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
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
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
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
Full Stack Developer Certificate
Los Angeles Mission College - Dec 2024
Verified link
A.S. in Computer Programming
Los Angeles Mission College - Jun 2024
Verified link
Contact
Looking for Summer 2026 internships in software engineering, UI/UX, or IT. Email is the best way to reach me.