Repair · Engineering · Research

Joe Jimenez

Full-stack computer & mobile repair engineer

I keep devices and systems online for families, classrooms, and local businesses. I also build hardware and software solutions to solve real problems. I’m currently pursuing my M.S. in Computer Science at Cal State LA while running Joe’s Tech Repair in Baldwin Park.

⭐ Featured Projects

EDA Dashboard

Interactive analytics platform using Streamlit, FastAPI, and DuckDB for data drift, fairness checks, and Plotly dashboards.

  • Real-time alerts on fairness & drift metrics
  • Reusable data ingestion pipelines
  • Packaged with Docker Compose for rapid demos

Schedulify Class Sync

Next.js + FastAPI scheduling tool to visualize and manage university class schedules.

  • ICS import/export + conflict detection
  • Role-based view for advisors/students
  • Deployed via Netlify & Railway

IoT & Embedded Systems

Multi-display OLED interfaces, sensor-based monitoring prototypes, and microcontroller automation workflows.

  • Arduino + ESP32 telemetry collectors
  • Edge ML inference for battery-limited devices
  • Custom enclosures designed in Fusion 360

Topic Modeling Research Tools

Exploratory NLP pipelines using Python, scikit-learn, and Jupyter notebooks.

  • Automatically surfaces themes in service tickets
  • Interactive Streamlit dashboards for SMEs
  • Exports annotated corpora to DuckDB/S3

Experience & Education

Education

M.S. Computer Science · Cal State LA

Focusing on AI, ML, data systems, and reliability with projects spanning EDA dashboards, explainable ML, and containerized workflows.

B.S. Computer Engineering · UC Riverside

Completed compiler design, embedded labs, and systems programming projects that shaped my repair methodology.

Experience

Founder · Joe’s Tech Repair

Board-level repairs, data recovery, diagnostics, and on-site support for Baldwin Park & LA clients with transparent workflows.

STEM Instructor & Mentor

Taught and mentored K–12 students in coding and engineering fundamentals while maintaining classroom device fleets.

Technical Assistant · UC Riverside

Supported professors with classroom tech—troubleshooting computers, projectors, and AV setups to keep lectures running smoothly.

About in 10s

Joe Jimenez

Builder at the intersection of hardware + software. I ship products, teach STEM, and keep devices alive.

Panel ready.

  • Arduino / ESP32 prototyping & telemetry
  • Streamlit, FastAPI, Next.js, DuckDB
  • Console, laptop, and phone repair
  • STEM instructor & community mentor
~/portfolio/run.sh live

Recent wins

Student laptop recovery

Recovered a water-damaged MacBook for a college student, migrating data safely and replacing the failing charge port.

  • Zero data loss + new backup routine created
  • Battery & thermal diagnostics included
  • Delivered preventative maintenance checklist

Home network stabilization

Optimized a family’s Wi-Fi setup to eliminate dead zones and drops during remote classes.

  • Mesh placement + channel tuning
  • New router configuration & parental controls
  • 45% improvement in signal coverage

STEM classroom device refresh

Restored Chromebooks/iPads so a community program could launch the school year without downtime.

  • Clean OS loads, updated firmware, removed bloat
  • Verified batteries, keyboards, and chargers
  • Documented outstanding issues for IT follow-up

Console + handheld repairs

Fixed Nintendo Switch drift, PlayStation HDMI faults, and Xbox power failures.

  • Precision soldering + micro repairs
  • System cleanup + thermal repaste
  • Firmware/OS verification before handoff

Deliverables you can measure

Whether it’s a laptop repair or an embedded prototype, every job includes transparent diagnostics, before/after notes, and optional follow-up support.

48 hrs Typical turnaround for most repairs
4.9/5 Average rating from local clients
8+ years Experience repairing phones, laptops, desktops, consoles

Client highlight

"Joe explained everything clearly and saved my data when my MacBook wouldn’t turn on. He even showed me how to prevent the issue from happening again." — Local Baldwin Park client

Skills & tooling

Hardware diagnostics
Board-level repair
Streamlit / FastAPI
Next.js
DuckDB & SQL
Docker & Compose
Python / C++
Embedded / Arduino
Edge ML
Network tuning
Customer support
Technical writing

Let’s build or repair something together

I'm currently open to contract repair work, embedded projects, and full-stack roles that blend hardware with software automation.