Migrate your PHP monolith to React & API-First
Your PHP monolith has been growing for years — every change becomes a risk. I migrate step by step to a modern React architecture with API-first approach.
❌ "Our AI prototype is not deployable"
❌ "Legacy PHP keeps breaking"
✅ Solution: Refactoring + modern React UIs
My Specializations
From PHP monolith to modern React architecture
Your PHP monolith has grown historically but is not future-proof. I migrate step by step to a maintainable, testable React architecture.
PHP → React Migration
Step-by-step migration of your PHP monolith to React with TypeScript. API-first approach: first the APIs, then the frontend — no production outages.
API Design & Development
Design and implementation of REST APIs as the backbone of your new architecture. Including API documentation, versioning, and security.
React Frontend Development
Modern React interfaces with TypeScript, performant state management, and responsive design. Including component library and tests.
Problems I solve for you
- ✖️ Incomplete migrations that never finish
- ✖️ Big-bang migrations with weeks of downtime
- ✖️ Unmaintainable "copy-paste" chatbot code
- ✖️ Pure frontend solutions without API strategy
Instead: API-first architecture with modern React frontend.
"I already had 3 AI prototypes built — none of them runs in the cloud."
– That is exactly where I step in.
From PHP monolith to modern React app
📉 Before: PHP monolith with 12k lines, no testing, constant outages.
📈 After: API-first architecture + React dashboard, outage rate -95%.
🤖 Before: AI-generated React app without backend — data only in localStorage.
⚡ After: Complete Java Spring API, PostgreSQL, JWT auth + clean UI.
PHP to React — FAQs
"Do I have to rewrite my entire app?"
No. I migrate step by step (Strangler Fig pattern). You run both systems in parallel until the migration is complete — no risk, no downtime.
"How does a PHP-to-React migration work?"
1. Analysis: Code audit and architecture plan. 2. API design: Define REST interfaces. 3. Step-by-step migration: Module by module. 4. Testing & rollout.
"What does a PHP-to-React migration cost?"
Fixed price after analysis. After a free quick check, you receive a detailed migration plan with effort estimation.
PHP to React migration specialist with 15+ years experience
For over 15 years I have been developing web applications — from PHP 4 to React 19. I know both worlds and migrate pragmatically and goal-oriented.
Stack: PHP, React, TypeScript, Next.js • Approach: pragmatic, transparent, production-focused.
PHP legacy burden?
30 minutes free analysis of your PHP legacy — I will create a migration plan.
Send email: kontakt@jloos.devor via LinkedIn / Xing — contact details on request