Turn your REST API into a beloved developer platform with automated, idiomatically typed Python, TypeScript, and Go SDKs published to PyPI and npm on every release by 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: Contract-First OpenAPI 3.1 Schema Validation, Retries & Idempotency Header Injection in SDKs

import uuid

def attach_default_sdk_headers(extra_headers: dict[str, str] | None = None) -> dict[str, str]:
    headers = {
        "User-Agent": "afcom-python-sdk/2.4.0",
        "X-Idempotency-Key": str(uuid.uuid4()),
    }
    if extra_headers:
        headers.update(extra_headers)
    return headers

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

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.

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

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