jj@portfolio:~/ai-engineering$jairik "jj" mccauley — software engineer
# grep -r "ai" ~/projects --include=*.md

> AI Engineering

# Projects where the model is the product — LLM apps, RAG pipelines, computer vision, and applied ML shipped end to end.

9 projects8 tools
# matching projects — click through for the full write-up

> Matches

~/projects/lunara
Lunara — AI-powered healthcare triage system, screenshot 1 of 8
October 2025 - Present

Lunara

AI-powered triage system for healthcare, winning 1st place at Rutgers HealthHack 2025. Currently working with Rutgers on a completer program to bring to production.

1st · Rutgers HealthHack 2025running
$ cat README →
~/projects/rova
Rova — voice-first AI learning platform, screenshot 1 of 5
March 2026 - Present

Rova

Voice-first AI learning platform that turns uploaded material or any topic into a personalized roadmap with guided lessons, practice, assessments, and progress tracking.

runningclosed src
$ cat README →
~/projects/vault-assistant
Vault Assistant — local-first Obsidian vault AI assistant, screenshot 1 of 4
January 2026 - Present

Vault Assistant

Local AI assistant for Obsidian that answers from your notes with BM25 search. Runs on localhost with multi-tab sessions and swap-in backends like Claude Code or Codex.

running
$ cat README →
~/projects/testifai
TestifAI — LLM quiz and test generator, screenshot 1 of 4
September 2024

TestifAI

LLM-driven platform that generates quizes and tests from user-provided material, winning 2nd best overall and best educational hack at HackUMBC 2024.

2nd Overall · HackUMBC 2024
$ cat README →
~/projects/perishless
PerishLess — AI food-waste reduction platform, screenshot 1 of 4
March 2026

PerishLess

Food waste reduction platform that uses AI to predict spoilage and optimize inventory management for households.

$ cat README →
~/projects/shakespearean-personality-llm-augmentation
Shakespearean Personality LLM Augmentation — persona-consistent Shakespeare LLM demo screenshot
January 2026 - May 2026

Shakespearean Personality LLM Augmentation

Develops and evaluates persona-consistent LLMs grounded in Hamlet and Macbeth via LoRA fine-tuning, RAG, and a FastAPI + React demo for single-character and multi-model dialogues.

$ cat README →
~/projects/knowyouruni
KnowYourUni — ML student analytics platform, screenshot 1 of 6
September 2025 - November 2025

KnowYourUni

Student analytics platform providing ML-derived insights into student performance.

$ cat README →
~/projects/poultry-farm-data-analytics-dashboard
Poultry Farm Data Analytics Dashboard — poultry farm data analytics dashboard, screenshot 1 of 3
January 2026 - May 2026

Poultry Farm Data Analytics Dashboard

Decision-support dashboard for a poultry farm client that analyzes litter survey data to highlight what drives performance and flag farms at risk of underperformance.

closed src
$ cat README →
~/projects/computer-vision-chick-counting
no images — this one lives in the code
January 2024 - December 2025

Computer Vision Chick Counting

AI-based system using computer vision to accurately count chicks in poultry farms, improving standard industry efficiencies and reducing manual labor. Patent consideration.

closed src
$ cat README →
# tradeoffs that keep showing up in this lane

> Decisions

# Prefer grounded retrieval and editable outputs over black-box chat. Keep humans in the loop for high-stakes domains (healthcare, education, farm decisions), and favor local or inspectable pipelines when the data should not leave the machine.

# which --all $TOOLS — the parts of the arsenal this topic leans on

> Tools Used

PythonPyTorchTensorFlowHuggingFaceLangChainOpenAI APIGoogle GeminiScikit-Learn