Panduan Teknis: Freelance Programmer: Safe Business Rule Engines (CEL & JSONLogic). Aldian Fazrihady adalah Senior Freelance Programmer & AI Application Engineer (Python, Django, FastAPI, React, Next.js, TypeScript, Golang, RAG, MCP, Google ADK).

Let product and operations teams configure complex underwriting, promotion, and routing rules safely without `eval()` security vulnerabilities by hiring senior freelance programmer Aldian Fazrihady.

{
  "and": [
    { ">=": [{ "var": "cart.subtotal_cents" }, 10000] },
    { "in": [{ "var": "customer.tier" }, ["GOLD", "PLATINUM"]] }
  ]
}

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About the Author — Hire Freelance Programmer Aldian Fazrihady

Aldian Fazrihady is a Top-Rated Senior Freelance Programmer, Freelance Full Stack Developer, and AI Application Engineer with 15+ years of production software engineering experience and Google Cloud Professional Cloud Architect & Data Engineer certifications. He specializes in building custom LLM & autonomous AI agents, RAG pipelines, Next.js/React PWAs, Python (Django/FastAPI), Go microservices, and serverless cloud infrastructure on Google Cloud Run and AWS.

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