SARAH LEE // OFFICE
Self taught developer · prop firm trader
All systems live in production
Portfolio // Live Builds
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[ 01 ] Live Projects

Shipped & Running

Four live builds, all production, all on my own infrastructure. Three are websites you can click through right now. The fourth is a Chrome extension that runs at root on my machine, guarding me from myself. Nothing here is a mockup.

the-chamber.app trading platform dashboard
PROJECT 01 · THE CHAMBER APP
Trading platform with AI mentors
the-chamber.app

Full stack, designed and run solo.

  • Trade journaling, performance analytics, live market tools
  • SMC study library: RAG over 26,000 chunks from 202 lectures
  • Mentors' brain runs on my own Mac mini behind a Cloudflare tunnel
  • One memory per user across app, Discord, and iMessage
EmberTechnical mentor. Searches the lecture library, grades chart screenshots, and cites the exact lesson a concept comes from.
AmberPsychology coach. Reads your logged trades to catch tilt, overtrading, and revenge patterns using the Tendler framework.
AshPersonal assistant. Lives in The Chamber Discord, reachable by iMessage in beta. Alerts, recaps, reminders, and market intel.
All three run on Claude with long term memory of every user
Next.js 16SupabasePython / FastAPIpgvector RAGClaude
chamber.trading cinematic HUD landing page
PROJECT 02 · THE CHAMBER
Cinematic 3D landing page
chamber.trading

The front door to the app above.

  • Click gated boot sequence and a Three.js orbital scene
  • Live demo: ask the real mentors questions before joining
  • One hand written HTML file. No framework, no build step
Three.jsWebGLVanilla JSDesign System
Visit the Site
modroom.dev Discord development studio
PROJECT 03 · MODROOM
Custom Discord builds for paid communities
modroom.dev

My dev studio, for creators who've outgrown off the shelf bots.

  • Hand coded Python bots: slash commands, webhooks, RAG chat
  • Stripe and Whop paywalls with automatic role assignment
  • Next.js checkout pages, Railway hosting with monitoring
  • Four transparent tiers, $50 to $1,200
Discord BotsPythonStripe + WhopNext.jsRailway
Visit the Studio
TiltGuard lock screen: Day's over. TiltGuard locked it.
PROJECT 04 · TILTGUARD
Chrome extension for trading discipline
runs at root · not a website

Never blow a trading account again.

  • Ends the day after 3 closed trades, by force, until the 5pm New York close
  • Five block layers: DNS, firewall, process kill, in browser, DoH override
  • Root daemon reasserts the lock every 30 seconds
  • Engineered to never misfire: two sample confirmation, reentry windows
  • Only exit: typing a confession sentence by hand
PythonChrome MV3PF FirewallRoot LaunchDaemonNative Messaging
Armed · protecting a funded account
[ 02 ] The Bot Fleet

Four Agents, Always On

A fleet of Claude powered assistants I architected, sharing one Python core, Supabase backed memory, and per bot personalities. They run 24/7 on a Mac mini with heartbeats, watchdogs, and self healing schedulers, and they can even hand a conversation off to each other with context intact.

Meet them in The Chamber Discord
Ash
Personal Assistant · Intel

Full agentic assistant with a human in the loop action layer: approval cards, Gmail, Notion, Mac control bridge, reminders, and an ambient brain under a strict anti spam constitution. Reachable from a text message.

Accessible at
iMessage · BetaThe Chamber DiscordDiscord DM
Ember
Technical Mentor · Markets

Market analysis mentor: macro briefings, recency aware news search, and live SMC structure scanning. Fair value gap and liquidity detection straight from OHLCV data.

Accessible at
Amber
Mental Game Coach

Trading psychology coach grounded in a psychology corpus via RAG: process grading, tilt detection, and structured mental hand history reviews.

Accessible at
Ashley
Economic Events

Owns the economic calendar: red folder event alerts, session timing, and community wide event briefings, on schedule, every day.

Accessible at
[ 03 ] Capabilities

What This Portfolio Proves

Concrete systems, not adjectives. Everything listed ships from one person's desk.

01
Full stack production apps, solo
Next.js + Supabase + Claude API with pgvector RAG pipelines, auth, paid tier routing, and Postgres migrations.
02
Safe agentic systems
Human in the loop approval gates, allowlists, audit logs, at most once execution. Actions are gated, never taken from model free text.
03
macOS systems engineering
launchd fleets, root LaunchDaemons, PF firewall rules, native messaging hosts, watchdogs and self healing schedulers.
04
Practical LLM engineering
RAG, vision, server side tool use, and a nightly learning loop that mines conversations so the bots stop repeating mistakes.
05
Discipline tooling that survives me
TiltGuard: a multi layer macOS lockout (hosts, packet filter, process killer, Chrome extension) that ends my trading day after 3 trades. By force.
06
Brand & generative graphics
A frozen design system plus an automated pipeline that composites branded trade recaps from live data: PIL, HTML overlays, headless Chromium.