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Payroll Future Evolution

Summary​

Source-backed evolution centers on completing safe service extraction, projection reconciliation, parity evidence, and production-grade service boundaries.

Audience​

Backend and frontend developers, QA and DevOps engineers, support and security engineers, and solution architects.

Overview​

Source-backed evolution centers on completing safe service extraction, projection reconciliation, parity evidence, and production-grade service boundaries.

Technical Detail​

Evidenced direction​

Backfill, parity, cutover, and rollback assets demonstrate an intended evolution from monolith compatibility toward Payroll Service ownership. Existing projections and outbox records establish foundations for asynchronous boundaries.

Foundation priorities​

The source justifies completing reliable outbound relay, reconciliation for input projections, tenant-aware cutover governance, stronger readiness evidence, and formal automated tests. These are technical directions inferred from present foundations, not delivery commitments.

Requires confirmation​

Approval/workflow integration, irreversible finalization, Document Service storage, payment execution, accounting posting, component assignment redesign, metrics/SLOs, caching, and per-tenant cutover all Require confirmation. No dates, sequencing promises, or target architecture decisions are asserted.

Source References​

  • microservices/src/payroll-service/Backfill/PayrollBackfillRunner.cs
  • microservices/src/payroll-service/Backfill/BackfillValidator.cs
  • microservices/src/gateway-api/Program.cs
  • microservices/scripts/compare-payroll-parity.ps1
  • microservices/scripts/payroll-cutover-go-no-go.ps1
  • microservices/src/payroll-service/Program.cs

See Also​

Keywords​

  • Payroll Service
  • Payroll Future Evolution
  • Technical architecture

Revision Information​

  • Status: Draft
  • Last reviewed: 2026-07-15
  • Review cycle: Quarterly