SYLENT
Fintech & Commerce

Banking Applications

Digital banking platforms with secure transactions, wallet systems and compliance-ready architecture.

Overview

We build digital banking platforms that handle real money with the security and reliability that demands. From wallet systems and fund transfers to loan applications and account management, every feature is built with regulatory compliance, audit trails and transaction integrity as first-class concerns.

Our banking applications serve real users processing real transactions. We understand that a bug in a banking app is not a minor inconvenience. It is a financial event that affects trust, compliance and potentially regulatory standing.

Technical Details

Transaction Architecture

ACID-compliant transaction processing with proper isolation levels. Double-entry bookkeeping patterns for accurate financial records. Idempotent API design to prevent duplicate transactions from retries. Reconciliation systems that catch discrepancies between internal ledgers and external payment providers.

Security

End-to-end encryption for sensitive data in transit and at rest. Multi-factor authentication with biometric support on mobile. Session management with automatic timeout and device fingerprinting. Fraud detection hooks for transaction monitoring. PCI DSS compliance considerations built into the architecture from day one.

Compliance

Comprehensive audit logging for every financial operation. KYC workflow integration with identity verification providers. Transaction reporting capabilities for regulatory requirements. Data retention policies that satisfy both compliance mandates and privacy regulations.

Integration

Payment gateway integration with providers like Stripe, PayMongo and Dragonpay. Bank API integration for fund transfers and balance inquiries. Webhook processing for real-time transaction status updates. Retry logic and dead-letter queues for failed external calls.

Tech Stack

PythonFastAPIPostgreSQLRedisStripeReact NativeDockerAWSCeleryEncryption

Related Services

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