jStack

Digital Banking

Build modern digital banking experiences on modular financial infrastructure.

Launch customer accounts, wallets, payments, cards and digital financial services through infrastructure designed for banks, fintechs and financial institutions.

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Experience

  • Mobile Banking
  • Web Banking
  • jStack Financial Infrastructure
  • Core Banking
  • Accounts
  • Payments
  • Cards

Rails

  • Banking & Payment Rails

The Challenge

Digital banking is more than putting a mobile interface on legacy systems.

Most banking programs stall in the infrastructure layer — not the app layer.

  • Legacy core infrastructure that resists change.
  • Slow product launches across every new market.
  • Fragmented payment integrations per channel and rail.
  • Separate card infrastructure disconnected from accounts.
  • Complex account and wallet balance structures.
  • Reconciliation complexity across partners and rails.
  • Market-specific integrations rebuilt each time.
  • Difficulty adding new financial services to a live product.

The jStack Solution

One infrastructure layer behind the digital banking experience.

Your customer experience stays yours. Accounts, ledger, payments and cards run underneath it.

Customer Experience

  • Mobile App
  • Web
  • API

jStack

  • Accounts
  • Core Banking
  • Wallet
  • Payments
  • Cards
  • Virtual Accounts
  • Payouts

Connected

  • Banks
  • Payment Networks
  • Financial Rails

Core Capabilities

Everything a digital bank runs on, exposed as APIs.

01

Digital Account Infrastructure

Open, configure and operate customer accounts programmatically.

02

Customer Wallets

Hold balances, apply limits and support multi-currency structures where enabled.

03

Core Banking

Maintain the system of record for accounts, balances and postings.

04

Virtual Accounts

Attach identifiers to customers for referenced collections and reconciliation.

05

Payment Acceptance

Collect through supported gateway, QR and wallet channels.

06

Payouts & Transfers

Move money to banks, wallets and mobile money where supported.

07

Card Issuing

Issue virtual and physical cards linked to accounts or wallets.

08

Transaction Ledger

Double-entry records for every movement across the platform.

09

Fees & Limits

Configure pricing, thresholds and product-level controls.

10

Reconciliation & Settlement

Match transactions against partner and rail settlement files.

11

API Infrastructure

REST APIs, webhooks, idempotency and sandbox environments.

Customer Journey

From onboarding to everyday banking.

  1. 01Onboard
  2. 02Create Account
  3. 03Fund Account
  4. 04Pay / Transfer
  5. 05Use Card
  6. 06Pay Bills / Recharge
  7. 07Track Transactions
Banking Operationsdemo data

accounts

184,220

wallet balance

42.8M

cards active

61,904

postings / day

2.1M

  • acc_10442 · Savings

    Inbound transfer · 12,400.00

    posted

  • acc_10871 · Wallet

    Card purchase · 84.20

    settled

  • acc_11290 · Current

    Bill payment · 2,180.00

    completed

  • acc_11933 · Savings

    Payout to bank · 55,000.00

    processing

Relevant jStack Products

The jStack products behind this solution.

Digital banking programs typically combine Banking-as-a-Service and Core Banking with collection, payout and card modules.

Business Benefits

What this unlocks for the business.

  • Faster Product Launch

    Compose products from existing modules instead of new builds.

  • Modular Architecture

    Enable only the capabilities a market or segment needs.

  • API-First Integration

    Connect your app, channels and internal systems through one contract.

  • Multi-Rail Connectivity

    Reach supported banking, card and payment rails from one layer.

  • Operational Visibility

    Ledger, status and reconciliation views across every flow.

  • Scalable Infrastructure

    Add products and markets without re-platforming.

Who It's For

Built for institutions launching digital financial products.

  • Banks
  • Digital Banks
  • Fintechs
  • Financial Institutions
  • Telecom-led Financial Services
  • Government-backed Financial Platforms

Related Use Cases

Build the digital bank around your customers, not legacy infrastructure.

Talk to our team about the accounts, payments and card infrastructure your program needs.

Talk to jStack