Stack Industries
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A one-person product studio in the Charlotte, NC area.
Data engineering · Applied ML · Working software.

// Who we are

About

Stack Industries is a product studio in the Charlotte, NC area. We find high-signal problems in data, build intelligent tools around them, and ship working software.

Founded by Gary Stack. Deep expertise in experimentation, measurement science, and applied statistics. Rigorous data engineering meets modern AI.

No decks. No vaporware. Working products backed by real data.

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Products Built

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Shipped

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Domains

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Person Studio

// What we do

Services

01

Data Engineering

End-to-end pipelines from ingestion to production analytics. Raw data to decision-grade intelligence.

02

AI & Machine Learning

Bayesian modeling, Monte Carlo simulation, agentic AI. ML that solves real problems and ships.

03

Experimentation

A/B testing, causal inference, alert analytics. Measurement science with statistical rigor.

04

Product Development

React, Next.js, Expo, Supabase, AWS. Concept to production with a bias toward speed.

// How we work

Process

01

MEASURE

  • Define the question precisely.
  • Identify the signal in the noise.
  • Build the measurement framework before touching a line of code.
02

BUILD

  • Choose the simplest stack that ships.
  • No over-engineering. No premature abstraction.
  • Working software over comprehensive documentation.
  • But we write the docs too.
03

SHIP

  • Deployed. In production. Real users.
  • Not a prototype. Not a demo.
  • The only metric that matters.

// Stack

Technologies

Data

PythonRSQLHiveSpark

Frontend

ReactNext.jsTypeScriptExpo

Infrastructure

SupabaseAWSPostgreSQLVercelRailway

Payments & APIs

StripeResendREST APIs

ML / AI

Bayesian ModelsMonte CarloLLM AgentsCoreML

// What we've built

Portfolio

Shipped

4
Data & Intelligence
Live

OZ Signal

50-state Opportunity Zone scoring engine. 85,000+ census tracts scored with backtest-validated analytics.

Python · PostgreSQL · Monte Carlo

Live

OSIP

Personal portfolio simulator. Monte Carlo analysis on serverless Lambda. Built because I wanted better tools for my own investment modeling.

AWS Lambda · React · S3

AI & Infrastructure
Live

SpendNod

Auth layer for AI agents. Four-tier SaaS with Stripe integration.

Next.js · Supabase · Stripe

Sports Analytics
Published

Coverage Pressure Index

NFL defensive metric from Next Gen Stats tracking data.

Python · Monte Carlo · Spatial

In the Lab

3
AI & Infrastructure
Building

ProveIt

Personal research tool. Traces study funding, authorship, and provenance so I know what research to actually trust.

Next.js · Anthropic API · OpenAlex

Sports Analytics
Building

DRIT

NFL draft intelligence. Bayesian models + real-time board management.

Dash · R Shiny · Parquet

Hardware / IoT
Prototype

SnakeGuard

Computer vision snake detection and deterrent system built for residential safety.

Python · Computer Vision · CoreML

// GET IN TOUCH

Let's Talk

Have a data problem, a product idea, or just want to connect.