LLM Integration Patterns for Backend Engineers
LLM integration is a new category of external API call with some specific failure modes that don’t exist in traditional services. The call is expensive (100ms–5s), non-deterministic, and can fail softly — returning a plausible-looking wrong answer rather than an error code. Getting it right requires the same rigor you’d apply to any critical external dependency, plus some LLM-specific patterns. ...