A Guide to Async Patterns: Django, Celery, asyncio, React
Seven backend patterns + four backend-to-frontend bridges in the same codebase — with the latency, cancel, and visibility trade-offs that decide which one to reach for.
Durable Outbound Webhooks with HMAC and Exponential Backoff
A delivery system that stores retry state in the database instead of Celery — audit trail, idempotency, and observability built into the data layer.
An LLM Abstraction Layer with Pre-Built Agents
Factory pattern over Gemini, Claude, and OpenAI, plus LangGraph ReAct agents with structured-output schemas that hand callers typed Pydantic objects.
One Interface, Five Scraping Backends
Factory pattern, Pydantic DTOs, and a circuit-breaker AUTO mode — the abstraction layer behind a multi-backend scraper.