← Back to portfolio
FintechIn Development

NairaLedger

Bookkeeping and invoicing built for how Nigerian SMEs actually get paid.

WebMobile

The problem

Most Nigerian SMEs run their books in notebooks or spreadsheets that break the moment a transaction happens in kobo, in Naira, and across a POS terminal, a bank transfer, and cash — often on the same day.

What was built

A double-entry bookkeeping app on top of the LedgerNG engine: customer invoicing with WhatsApp-shareable payment links, Paystack collection reconciliation, expense capture, and plain-language profit/loss reporting designed for a proprietor, not a CFO.

Notable engineering

  • All monetary values stored and computed as integer kobo — no floating-point currency bugs
  • Reconciliation engine matches Paystack webhook events to invoices idempotently, safe against webhook retries
  • Offline invoice drafting with sync-on-reconnect for low-connectivity retail environments

More in Fintech