DevGuild: Write-Only Code Summit

**DevGuild: Write-Only Code Summit** Learn techniques for building production systems that are append-only by design — no deletes, no updates, just immutable event streams. You'll walk through real architectures from teams shipping write-only databases, audit logs, and GDPR-compliant systems where "deletion" is actually just another event. Best for backend engineers who want to understand event sourcing beyond the buzzwords.