Freelance FastAPI & Pydantic Programmer: High-Throughput Async Python APIs & OpenAPI Schemas

FastAPI and Pydantic v2 have become the gold standard for building high-concurrency asynchronous Python microservices, AI agent backends, and webhook ingestion gateways.

As a Senior Freelance FastAPI & Python Programmer, I architect clean, dependency-injected FastAPI services backed by SQLAlchemy + asyncpg, Kafka/NATS event loops, and multi-stage Docker deployments. Hire Aldian Fazrihady on Upwork (aldianf).

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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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