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Payment processing & ledger software development

The money movement under your product (authorization, capture, settlement, and the ledger that tracks every cent) is unforgiving work where small errors compound into reconciliation nightmares. We build processing and ledger systems with double-entry accounting at the core, so funds, fees, and balances always tie out. This is the plumbing that lets your finance and ops teams trust the numbers.

What we build

  • Authorization, capture, void, and refund flows across your processors
  • Settlement and merchant funding logic with accurate fee and reserve handling
  • Double-entry ledger that records every movement immutably
  • Reconciliation to the cent against processor and bank statements
  • Reporting and statements your finance and ops teams can rely on
  • Dispute and chargeback handling, including representment workflows
Why payments-native matters

A ledger that does not reconcile to the cent is a liability, not a feature. Our engineers understand settlement timing, fee structures, and scheme rules already, so the system balances correctly from the first transaction instead of after months of patching.

How we get paid

You choose how we get paid.

Same senior payments team, same product. Three ways to structure the deal, from owning it outright to us earning basis points on the volume we help you grow.

Not sure which fits? We'll recommend the right model on the call.

Related services

What we most often build alongside this.

$2.5B+ volume assisted60K+ merchants enabledBuilt for Top-10 US processors10+ years in payments
Twenty minutes, no obligation

See the products your merchants want that you don't offer yet.

Twenty minutes with a payments product expert. We'll walk your book, show what closing each gap could be worth, and tell you how we'd get paid.