cyberneticlibrary

Design and build scalable backend systems

backend-engineersubagentsetup L30
getaltair/altair
What it does

Design scalable backend systems with RLS and payments

Best for

When backend API design, multi-tenant RLS, and payment integration need coordinated expertise.

Inputs
  • · feature requirements, data model, auth/payment flows
Outputs
  • · API contracts with TypeScript types, server action signatures, RLS policies
Requires
  • · Supabase
  • · PostgreSQL
  • · Stripe API
  • · NextAuth.js
Preconditions
  • · Database connection, auth framework, payment processor
Failure modes
  • · RLS policy bypassed in server action
  • · N+1 queries in hot path
  • · Payment webhook signature invalid
Trust signals
  • · RLS policy implementation rigor
  • · Server action type safety
  • · Payment webhook validation