Architecture

Loan origination architecture

From application to booking. Multi-step workflow with decisioning, document management, covenant capture, regulatory filing.

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What loan origination is in a bank

Loan origination system (LOS) — workflow from lead/application to booking in ABS. Covers:

  • Application capture (via channel — branch, app, web, partner).
  • Document collection (statements, financials, collateral docs).
  • Underwriting (scoring + analyst review for mid/large).
  • Covenant capture in structured form.
  • Approval workflow (committee for large).
  • Documentation generation (contracts, schedules).
  • Booking in ABS.
  • Disbursement and initial servicing handoff.

Structural components

Application portal per segment (retail vs SME vs corporate UX).

Document management. OCR + structured extraction. Validation.

Decisioning integration. Calls to credit decisioning platform.

Workflow engine. Per-segment routing, parallel/serial steps, escalations.

Committee management for large loans. Calendar, voting, audit.

Covenant capture. Structured representation in covenant management platform.

Documentation generation. Templated contracts, schedules, regulatory disclosures.

ABS booking interface. Standardised for smooth transition.

End-to-end audit trail.

Banking-specific concerns

Regulatory disclosures. APR calculation, regulator-required forms.

Collateral management. Valuation, registration in government registries (auto, real estate).

Multi-currency. FX-denominated loans require sub-workflow.

Restructuring workflow. Existing loans, not just new origination.

Bureau reporting. Approved/rejected applications must be reported.

Where it usually breaks

LOS legacy — each segment has its own stack without unification.

Decisioning integration manual — analyst copy-pasting.

Covenants captured as free text — covenant platform cannot consume.

Workflow rigid — cannot customise per loan complexity.

Documentation manual — risk of errors, slow.

Operating model

Owner — Head of Lending Operations.

Teams: platform engineering, underwriting operations, document management, regulatory liaison.

Routine — weekly throughput review.

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