Customer accounts: separating users, owners and permissions
A person may manage a service they don't own or place an order for a company. Keep the user, customer, permissions and order context separate.
Multi-market apps: what central and local teams should own
How to run a multi-market app with one shared codebase, local deployments, clear decision rights, and room for real market differences.
The app consolidation playbook
Large app portfolios grow through local decisions, acquisitions, and separate teams. Consolidation works when one owner can remove duplication while keeping the local differences customers need.
Build the API layer before replacing the billing system.
Do not make digital delivery wait for a full OSS/BSS transformation. Put a stable API contract between new demand and the legacy systems already running.