loan-origination

Loan Origination

Loan origination: application intake, credit check, underwriting, approval, and funding.

Input: applicationId, applicantId, loanAmount, loanType | Timeout: 60s

Pipeline

lnr_application
    │
lnr_credit_check
    │
lnr_underwrite
    │
lnr_approve
    │
lnr_fund

Workers

ApplicationWorker (lnr_application): Receives a loan application and records intake details.

Reads applicationId, loanAmount, loanType. Outputs received, employment, receivedAt.

ApproveWorker (lnr_approve): Approves the loan after underwriting.

Reads applicationId, approvedRate, underwritingDecision. Outputs approved, approvalNumber.

CreditCheckWorker (lnr_credit_check): Runs a credit check for the loan applicant.

Reads applicantId. Outputs creditScore, bureau, dti, delinquencies, openAccounts.

FundWorker (lnr_fund): Disburses the loan funds to the applicant.

Reads applicantId, loanAmount. Outputs funded, disbursementId, fundedAt, firstPaymentDate.

UnderwriteWorker (lnr_underwrite): Underwrites the loan based on credit score and DTI ratio.

String decision = (score >= 680 && dti <= 43) ? "approved" : "declined";

Reads creditScore, dti. Outputs decision, interestRate, term, conditions.

Tests

43 tests cover valid inputs, boundary values, null handling, and error paths.

mvn test

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Run this example: see RUNNING.md for setup, build, and CLI instructions.