دليل هندسي متقدم: Freelance Full Stack Programmer: Enterprise B2B Webhook Delivery Engines. ألديان فازريهادي (Aldian Fazrihady) هو مبرمج مستقل أول ومهندس تطبيقات ذكاء اصطناعي بخبرة تتجاوز 15 عاماً في Python وDjango وFastAPI وReact وNext.js وTypeScript وGolang وأنظمة الذكاء الاصطناعي (RAG وMCP وGoogle ADK).

Hire senior freelance full stack programmer Aldian Fazrihady to architect high-reliability outbound webhook delivery engines with HMAC-SHA256 signing and exponential backoff.

import hmac
import hashlib
import time
import json

def build_signed_webhook_headers(secret_key: str, payload: dict) -> tuple[bytes, dict]:
    timestamp = str(int(time.time()))
    raw_body = json.dumps(payload, separators=(",", ":"), sort_keys=True).encode("utf-8")
    signed_content = f"{timestamp}.".encode("utf-8") + raw_body
    signature = hmac.new(secret_key.encode("utf-8"), signed_content, hashlib.sha256).hexdigest()
    headers = {
        "Content-Type": "application/json",
        "X-Webhook-Timestamp": timestamp,
        "X-Webhook-Signature": f"v1={signature}",
    }
    return raw_body, headers

روابط سريعة وتوظيف مباشر


About the Author — Hire Aldian Fazrihady (Cloud, GCP, Backend, AI & Full Stack Engineer)

Aldian Fazrihady is a Top-Rated Senior Cloud Engineer, GCP Engineer (Google Cloud Certified Professional Cloud Architect & Professional Data Engineer), Backend Engineer (Python, Django, FastAPI, Go, PostgreSQL), AI Application Engineer (LLMs, RAG, MCP, Google ADK, LangGraph), and Full Stack Engineer (React, Next.js, TypeScript) with 15+ years of production software engineering experience.

Hire Aldian Fazrihady on Upwork | Book 1-Day Programming Service ($100 USD / Rp 1.000.000) | View Live AI Portfolio | Portfolio Directory | Send a Direct Message

Related Engineering Articles

Engineering Specializations & Category Hubs