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Elizabeth Stein
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Case study

fullstack2023-2026

Portfolio-Pro

AI development learning platform with 269 lessons, 144 projects, custom MCP servers, Monaco Editor for live coding, subscription tiers with Stripe, and 87% test coverage.

End-to-end solutions from database to deployment

Field notes

Role

Creator

Read order

Evidence first, then constraint → build → proof. Use the chapter rail to jump sections; orbit to adjacent work from the bottom of the case study.

Full-Stack Nebula·✦I-Class Giant
●LIVE★FEATURED
111 tests passing
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Evidence

Interface & evidence

A real surface area, not a mock. Scroll the story below for constraint, build, and outcome.

Signature viewwww.portfoliopro.dev
Portfolio-Pro application interface
Open Live Site
www.portfoliopro.dev

Story arc

How this shipped

End-to-end solutions from database to deploymentThree beats: what pressed against the work, how the stack answered, and what changed once it was live.

I · Constraint

The brief

Creating a comprehensive AI development learning platform with interactive coding, subscription management, and custom tooling.

II · Build

The craft

Built 269 lessons across 144 projects with Monaco Editor for live coding. Integrated custom MCP servers, Stripe subscriptions with multiple tiers, and achieved 87% test coverage.

III · Proof

What moved after launch

269 lessons, 144 projects, and 87% test coverage on a live production platform.

Signals

◆Signals & scale

0
Lessons
0
Projects
0
Test Coverage

Engine room

At a glance

0
Tests

Inventory

Stack & signals

Next.js 15SupabaseStripeOpenAIRadix UI
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Tell me what you're building

If you need someone who can own UI, systems, and AI integration without losing the plot, I'm listening. Contract, advisory, or full-time: we'll find the right shape.

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Keep exploring

Previous Project

Carefulship

Preview-first website audit SaaS that crawls sites you track, surfaces findings, and exports reports. Inngest background jobs for async crawling, Supabase for persistence, Playwright for dynamic analysis, and Langfuse for AI observability. Optional Slack, email, and Vercel integrations.

Next Project

Create Surveys

Full-stack survey creation platform with real-time analytics and drag-and-drop builder.

Curious? Ask an AI about me

  • Claude — opens Claude with a prompt about Elizabeth Stein
  • ChatGPT — opens ChatGPT with a prompt about Elizabeth Stein
  • Perplexity — opens Perplexity with a prompt about Elizabeth Stein

© 2026 Elizabeth Stein

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