High-Volume Financial Infrastructure

Tens of millions of transactions a day, microsecond-level latency.

Payment gateways, digital wallet cores, merchant management systems, reconciliation and billing engines, banking orchestration layers. Systems that must stay stable under load and leave no margin for error.

Discuss Your Project →Frequently asked questions

Daily transactions migrated to next-generation infrastructure with zero downtime: 70M+ / day
Active end users; wallet infrastructure used by 450+ organizations: 65M+
Financial processes with automated ERP integration: Zero errors

When organizations come to us

What we do

Signal 01

The current gateway cannot handle daily transaction volume, or latency grows at peak hours.

Signal 02

Wallet, card, bank account, QR, payment link and BNPL methods cannot be orchestrated under one roof.

Signal 03

The infrastructure must change while thousands of merchants are active, and downtime is not acceptable.

Signal 04

Month-end billing and reconciliation run manually, disconnected from operations.

Signal 05

Real-time integration with card issuing, loyalty and fraud monitoring platforms is missing.

Response 01Multi-channel payment gateway

An architecture that orchestrates every payment method through a single central gateway at microsecond-level latency.

Response 02Wallet and transaction core

Multiple sub-accounts, multi-currency balances, QR payments (P2M/P2P) and instant fund transfer built in; B2C, B2B and closed-loop models by parameter.

Response 03Merchant management and onboarding

Digital merchant registration, document management, role-based approval, campaign and fraud management modules.

Response 04Reconciliation and financial automation

Full cross-system reconciliation across massive log data, automated ERP integration, payment file generation to banking standards.

Response 05Lossless migration management

Moving infrastructure in staged waves without disrupting live traffic and clearing processes.

Response 06Developer ecosystem

APIs, sandbox, developer portal and plugins for popular e-commerce platforms.

Reference architecture

Every layer from channels to reconciliation is separated by event streams; one layer’s load does not leak into another.

Technical design decisions

At-least-once + idempotent consumers
Atomic event publication via outbox
Per-method circuit breakers at the gateway
Record-level matching and a suspense queue in reconciliation
A routing layer for staged-wave migration

01
ChannelsMobile, web, partner API, e-commerce plugins
02
API gatewayIdentity, rate limiting, versioning
03
Payment orchestrationMethod routing, risk/fraud checkpoint, idempotency
04
Transaction coreWallet/account ledger, multi-currency balance, limits
05
Event streamAtomic publication via outbox, at-least-once delivery
06
Reconciliation and financeClearing, commission, payouts, ERP vouchers
07
Merchant managementOnboarding, documents, role-based approval
08
ObservabilityTraces/metrics/logs, SLO dashboards

Frequently asked questions

Can we scale without replacing our current payment gateway entirely?

In most cases, yes. In discovery we measure where the bottleneck is (gateway, core ledger, reconciliation, database). Sometimes adding a routing and queue layer is enough; sometimes the core needs an event-based redesign. The decision rests on measurement, not assumption.

How is downtime risk managed during migration?

In staged waves. Each wave moves a defined set of merchants or transactions; during the dual-write period both systems run together, and the next wave does not start until automated reconciliation at the end of the wave shows zero difference. Every wave has a rollback procedure and decision threshold defined in advance.

What happens if reconciliation differences appear?

The reconciliation engine matches at record level; unmatched records are not lost, they land in a suspense queue and are assigned to an owner. The difference report is the wave closure criterion.

Where do fraud and risk controls sit in the architecture?

In the payment orchestration layer, as a checkpoint before a transaction enters the core. The rule engine runs in real time; external fraud platforms connect through adapters and do not leak into the core.

How long does adding a new payment method take?

Thanks to the per-method adapter architecture, a new method is added without touching the core. The duration depends on the counterparty’s integration maturity; sandbox and contract-first design reduce the uncertainty.

Cloud or on-premises? We have data residency requirements.

Both. The architecture supports cloud and on-premises deployment from the same code base; the data residency policy is treated as a design input, and the region/infrastructure decision follows the regulation.