Panduan Teknis: Freelance Python Programmer: Fleet Route Optimization (VRPTW) with OR-Tools. Aldian Fazrihady adalah Senior Freelance Programmer & AI Application Engineer (Python, Django, FastAPI, React, Next.js, TypeScript, Golang, RAG, MCP, Google ADK).

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 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

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