Grant Zimlich
Full-Stack + Applied AI Engineer

I build production apps end-to-end. Sole developer of Haven, a live AI-powered caregiver support app with 20-40 monthly subscribers.

What I work with

React Native + Node.js + PostgreSQLOpenAI API IntegrationsProduction Apps with Real UsersIndustrial Automation (SCADA, PLCs)

Featured Projects

Production systems I've built end-to-end—from mobile apps to industrial dashboards.

With Haven AI

Featured
🟢 Live · Maintenance

Sole Developer

AI-powered caregiver support app with journaling, chat, and daily summaries.

React NativeExpoNode.jsExpress+2

WeatherAlert AI

Featured
🟡 In Progress

Creator / Developer

AI-powered SMS alert system for weather-triggered business opportunities.

Node.jsOpenAI APIWeather APIsTwilio+1

Tech I Ship With

From mobile apps to industrial automation—here's what I use to build real systems.

🖥️

Frontend

ReactReact NativeExpoNext.jsTypeScriptTailwind CSS
⚙️

Backend

Node.jsExpressPostgreSQLREST APIsJWT Auth
🤖

AI / ML

OpenAI APIPrompt EngineeringContext BuildingSummarizationSafety Guardrails
☁️

Infrastructure

Vercel / NetlifyRenderEnvironment ManagementCI/CD BasicsApp Store Deployment
🏭

Industrial Automation

Ignition SCADAAllen-Bradley PLCsStudio 5000RSLogix 500CodeSysPhoenix Contact PLCsHMI Development
Currently Building

WeatherAlert AI

An AI-powered SMS system that sends proactive alerts to local service businesses based on weather conditions. Helping lawn care, HVAC, and snow removal companies capitalize on weather-triggered demand.

Let's Build Something Together

I'm looking for full-stack or applied AI roles—remote or Michigan-based.