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BLAKE
STAGNER
Full-Stack & AI Engineer
About
About Me
Skills
Senior Full-Stack & AI Engineer — 7+ years shipping production software with Claude, ChatGPT, Gemini, React, Node.js, and Flutter.
Senior Full-Stack & AI Engineer with 7+ years shipping production software — from React frontends and Node.js APIs to AI-powered products built with Claude, ChatGPT, and Gemini. I specialize in turning AI capabilities into real business outcomes.
Results? Built an AI call transcript grader that improved CPAP conversions by 15% in 3 months. Delivered a ChatGPT-powered mattress recommendation widget, a RAG chatbot with Google Gemini, a self-serve A/B testing platform, and a cross-platform Flutter mobile app — all at scale.
Portfolio
AI Call Transcript Grader
AISleepDoctor
AI-powered grading system for sales call transcripts that identifies coaching opportunities and optimizes CPAP conversion scripts.
Improved CPAP conversions 15% in 3 months
Anthropic ClaudeNode.jsReactSQL
ChatGPT Mattress Finder
AISleepDoctor
In-chat widget powered by ChatGPT that delivers personalized mattress recommendations based on user sleep preferences.
Personalized recommendations at scale
OpenAI ChatGPTReactNode.jsWordPress
RAG Chatbot
AISleepDoctor
Retrieval-augmented generation chatbot using Google Gemini and company web content to guide users through sleep health resources.
Automated user guidance with company knowledge base
Google GeminiRAGNode.jsReact
A/B Testing Platform
SleepDoctor
Self-serve experimentation platform enabling the team to run A/B tests with automatic winner implementation.
Self-serve experiments with auto-winner implementation
ReactNode.jsSQLSnowflake
React WordPress Plugin
SleepDoctor
Sleep product comparison tool built as a React-powered WordPress plugin, deployed across multiple web properties.
Cross-property product comparison at scale
ReactPHPWordPress
Flutter Mobile App
SleepDoctor
Cross-platform iOS and Android mobile application for SleepFoundation.org and SleepDoctor.com content delivery.
Cross-platform mobile presence on iOS & Android
FlutterDartFirebaseiOSAndroid
React + Node.js Dashboards
Highline College
WordPress editor monitoring and search tooling dashboards for content management and site performance tracking.
Editor monitoring & search tooling for content teams
ReactNode.jsExpressSQL
Demos
calendar
Friday - 04/03/2026
