Process millions of async I/O and LLM streaming jobs with 10x lower RAM usage by hiring senior freelance Python programmer Aldian Fazrihady. Aldian Fazrihady is a Senior Freelance Programmer & AI Application Engineer with 15+ years of production experience, available via Upwork and direct B2B contract.

1. Production Architecture: Asyncio-Native ARQ & Celery Worker Pool Tuning with Graceful SIGTERM Drain

import asyncio

async def run_bounded_concurrent_tasks(items: list[str], worker_fn, max_concurrency: int = 20):
    sem = asyncio.Semaphore(max_concurrency)
    async def _guarded(item: str):
        async with sem:
            return await worker_fn(item)
    return await asyncio.gather(*(_guarded(i) for i in items), return_exceptions=True)

2. Why Engineering Leaders Hire Aldian Fazrihady

• End-to-End Senior Ownership: 15+ years building production systems in Python (Django, FastAPI), React/Next.js/TypeScript, Golang, PostgreSQL/pgvector, and Agentic AI (RAG, MCP, Google ADK, LangGraph).
• Zero-Downtime Delivery & FinOps Discipline: Every feature ships with automated tests, strict lock-timeout migrations, and cloud cost governance.
• Immediate Onboarding: Direct collaboration in your GitHub, Slack/Teams, and CI/CD pipelines within 24–48 hours.

3. Topical Category Hubs & Master Directory

• Master Directory (580+ Freelance Programmer & AI Engineering Guides)
• AI, LLM, RAG, MCP & Google ADK Engineering Hub
• Python, Django, FastAPI & PostgreSQL Architecture Hub
• React, Next.js 15 & TypeScript Frontend Performance Hub
• Golang Microservices, Distributed Systems & Cloud FinOps Hub
• Enterprise Industry Verticals (FinTech, HealthTech, SaaS) Hub