Ohad Phoenix Oren

AI Systems Architect / App Engineer
I build production AI apps — solo, zero to deployed. 5 live apps + healthcare compliance. Model-agnostic.
$99 / hr Build Frontend · API integration · UI/UX · Static deployment · Maintenance
$150 / hr Build + Ship Full-stack production · React + Python/Node · Database · Cloud · Mobile · Payments · CI/CD
$300 / hr Architect Multi-agent AI orchestration · HIPAA compliance · Fraud detection · Immutable audit systems · A2A protocol · Custom LLM systems · Government/regulatory systems · Zero to production
High-speed bullet train — fast delivery, every time

AI Architecture

  • Multi-agent swarm orchestration
  • A2A protocol implementation (Google standard)
  • LLM-agnostic — Claude, GPT, Gemini, Copilot, multi-provider
  • Agentic loops with native tool use
  • System prompt architecture
  • Semantic filtering + density governor
  • Memory persistence with auto-compression
  • Multi-provider AI proxy (zero client-side keys)
  • Multi-model AI routing from single backend

Full-Stack Production

  • React 19 / TypeScript / Vite
  • Python (FastAPI) / Node.js / Express
  • React Native + Expo → shipped to App Store
  • PostgreSQL + Turso edge database / SQLite
  • Railway cloud deployment
  • Stripe / RevenueCat / PayPal / Square
  • Freemium architecture + subscription entitlements

Healthcare & Regulatory Compliance

  • HIPAA compliance architecture & security hardening
  • Immutable audit logging & forensic systems (WHO/WHAT/WHEN/WHY)
  • Role-based access control (RBAC) at enterprise scale
  • Data encryption (Fernet AES-128) & de-identification
  • Multi-stakeholder platform architecture
  • Data governance & quality scoring systems
  • Fraud detection & investigation workflows
  • Government/regulatory system integration

Cybersecurity

  • API key isolation (zero client-side secrets)
  • Threat detection + link scanning
  • Agent-level access control
  • Incident response

Quant / Fintech

  • Python / pandas / numpy / yfinance
  • Quantitative signal design
  • Market regime detection
  • Position sizing + adaptive risk allocation

Languages

LanguageLevel
JavaScriptProduction
TypeScriptProduction
PythonProduction
C++Proficient
SQLProficient
HebrewFluent
SpanishFluent
EnglishNative

Janina.Cool Fave Woo Track:

#!/bin/janina.sh
#!/bin/janina.sh
# .sh.U.sh=shush=Double Code of Silence=2x0Merta
# WOO HOO? WU HU! !(WILL HU NG v1.0.sh -e bangs FROM AMERICAN IDLE)
# lookin' like da CATS dat gots da CREAM
# Check It Out Y'All! https://www.sauc-e.com/checkitout

$ git checkout y-all
cat > C.R.E.A.M.
.cache/ruins_every_ping_around_me
$ cli git the money
$$ build.y-old

$ git add y-all
# result = add y-all subtract y-all; return y-old
$ git commit -m "order track=Mordergram by dial-UP M4 Morder Inc. w JZ|DMX|Jah_Ruin RMX by DJ Fritz da Lang Cat"
$ git push -e
# woo like whoa? || Chef's Kiss like Baiser d'Escoffier?
sauc-e.com
www.sauc-e.com ↗
Parent platform — full-stack web, design, branding, multi-app ecosystem. React + Vite + Railway.
CATSUP (3,6,9)
www.cats-up.app ↗
Socratic AI tutor — students learn by reasoning through problems, not memorizing answers. K-12 to college. React Native + FastAPI + multi-model AI. Live on App Store.
RELISH (3,6,9)
www.cats-up.fun ↗
Emotional intelligence AI — 3-sentence answers to life questions. Relationships, anxiety, decisions. Direct, actionable, real. React Native + FastAPI. Live on App Store.
BBQ_e (3,6,9)
www.catsup.net ↗
Mobile cybersecurity — scan links for phishing, check breach exposure, test WiFi security. No bloatware. React + Python + AI threat classification. Live on App Store.
Sol Calarbone 8
Custom conversational AI companion — multi-model orchestration. Beta. Demos upon request.
Beta · Demos upon request
TORQ-e
Production-ready HIPAA-compliant Medicaid system. 5-card architecture (members, providers, government stakeholder, plan admin, fraud investigation). Immutable audit logging. AI-powered outlier detection & claims analysis. FastAPI + PostgreSQL + React. State DOH integration.
Healthcare Compliance · Production
Lighthouse — portfolio showcase