Projects
Building & Solving
"Pushing. Folding. Connecting. Taping. Turning. Painting. Switching. Staring. Motivating. Placing
button."
- Flint Lockwood, Cloudy with a Chance of Meatballs
Projects
Due to proprietary constraints, case studies are used where applicable.
Some of the code I've published, and write-ups of problems I've solved.
Case study
Unified metadata for composable apps
A unified metadata schema (DNA) and composition system that let Lifion serve one application, tailored per request, across every market and client configuration — without maintaining separate app builds.
- Architecture
- l10n
- Original diagrams
Case study
Business Rules & Behaviors
Design reusable business logic to validate data and inputs, provide user interactions and feedback in the front and backend — without writing a single line of code.
- Metadata Programming
- Innovation
- Original diagrams
Repository
paullevitt.dev
This site. Vanilla HTML, CSS and JavaScript, Parcel for the build, zero runtime dependencies, deployed to Cloudflare Pages.
- JavaScript
- Modern CSS
- Parcel
Repository
Shorty
A simple URL shortener built as part of an interview process - generated with Claude AI in VS Code.
- Agentic Development
- Claude Code
- Typescript
- Next.js
Repository
Wall Planner
Single page wall planner for laying out framed pictures at home - Generated with Claude AI.
- HTML
- CSS
- JavaScript
Case Study
Scaling Sales Demos
A self-service dashboard that let Lifion's sales team create, reset, and tailor demo environments in minutes — removing a dependency on two other teams and unblocking concurrent, prospect-tailored demos.
- Node.js
- JavaScript
- Redis
- Postgres
- SQS
- Scalability
Case Study
Content-Addressed Caching
Redesigned how Lifion's search authorization scaled, replacing per-user index writes with content-addressed cache keys
- Node.js
- TypeScript
- Redis
- Scalability
Profile
github.com/PJLevitt1977
Everything else.
- All repositories →
Looking for an architect who thinks in primitives?
Happy to talk about platform architecture, metadata-driven design, or getting internationalization right before it becomes expensive. Based in Brooklyn, authorized to work in the US without sponsorship.