دليل هندسي: Freelance Python Programmer: Fleet Route Optimization (VRPTW) with OR-Tools. ألديان فازريهادي (Aldian Fazrihady) مبرمج مستقل أول ومهندس ذكاء اصطناعي (Python, Django, FastAPI, React, Next.js, TypeScript, Golang).

Cut fleet fuel and driver hours by 22–35% by hiring senior freelance Python programmer Aldian Fazrihady to architect Capacitated Vehicle Routing Problem with Time Windows (CVRPTW) solvers.

def compute_time_window_penalty(arrival_sec: int, earliest_sec: int, latest_sec: int) -> int:
    if arrival_sec < earliest_sec:
        return 0  # Driver waits until window opens
    if arrival_sec > latest_sec:
        return (arrival_sec - latest_sec) * 10
    return 0

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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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