Ryan Dotzlaw - Developer Portfolio

AI Engineering

Ask Your Database Anything: Printable PDF Reports

Describe a report in plain English, get a printable Apache Velocity PDF in under 60 seconds. Multi-section invoices, statements, and summaries with a vision-aware feedback chat that takes screenshots as input. Same AI pipeline that powered the dashboards, now driving page-perfect documents.

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Ask Your Database Anything: Printable PDF Reports

AI Engineering

Ask Your Database Anything: The Metabase Version

An AI-powered system that converts plain English questions into complete six-card Metabase dashboards in under 30 seconds, 100% SQL success rate on a 90.5-million-row production database, embeddable in any React application via the Metabase SDK.

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Ask Your Database Anything: The Metabase Version

AI Engineering

Ask Your Database Anything: Native React Dashboards

Type a question, get a six-card dashboard rendered with native React charts in under 30 seconds, no Metabase, no Java, no BI server. 100% SQL success rate against a 90.5-million-row production database.

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Ask Your Database Anything: Native React Dashboards

AI Engineering

GitHub Copilot Agent Pipelines

Seven specialized Copilot agents that form a structured development workflow for a legacy Servoy enterprise application with 10,000+ functions, 1,000+ files, and 22 modules. Neo4j graph-powered code intelligence, cross-model orchestration, and a self-improving knowledge loop where every code review makes every agent smarter.

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AI Engineering

Job Search Agent: AI-Powered Career Pipeline

An automated job search system that monitors 1,975 companies across 11 ATS platforms, processes 58,807 jobs weekly through a 6-phase AI pipeline, and delivers 311 qualified matches for $5.04 per run.

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Job Search Agent: AI-Powered Career Pipeline

AI Engineering

RAG Document Assistant: From Single-Purpose Chatbot to Multi-Repository Document Platform

A RAG-based document assistant that ingests 51,000+ chunks across 4 file formats, answers natural language questions in under 3 seconds using hybrid search with cross-encoder re-ranking, and required zero frontend changes to transform from a single-purpose chatbot into a general-purpose document platform.

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RAG Document Assistant: From Single-Purpose Chatbot to Multi-Repository Document Platform

AI Engineering

Obsidian Notes Pipeline: AI-Powered Knowledge Management

A full-stack RAG application that transforms YouTube videos into interconnected Obsidian notes -- 1,000+ notes, 2,757 auto-generated links, 5,000 searchable chunks, and a chatbot with 2.5s latency, all for $1.50.

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Obsidian Notes Pipeline: AI-Powered Knowledge Management

University Projects

Study Buddy

A full-stack academic productivity application.

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University Projects

Long COVID Prediction

Data science research applying machine learning and data mining to predict Long COVID development.

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University Projects

Echo State Network

Custom implementation of a recurrent neural network for k-step ahead time series forecasting, built from first principles using Python and NumPy.

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Welcome

My Featured Projects

Ask Your Database Anything: Printable PDF Reports

Ask Your Database Anything: The Metabase Version

Ask Your Database Anything: Native React Dashboards

GitHub Copilot Agent Pipelines

Job Search Agent: AI-Powered Career Pipeline

RAG Document Assistant: From Single-Purpose Chatbot to Multi-Repository Document Platform

Obsidian Notes Pipeline: AI-Powered Knowledge Management

Study Buddy

Long COVID Prediction

Echo State Network

My Featured Articles

From YouTube to Knowledge Graph: Building an AI-Powered Content Pipeline

Graph Databases

SYN Flooding Attack