Case Study PayZen Mobile – Neo-Banking & Multi-Currency Digital Wallet (Germany)

Project Overview

PayZen is a European digital neo-banking mobile solution developed for a FinTech institution based in Berlin, Germany. It offers instant multi-currency IBAN accounts, SEPA instant transfers, and virtual card provisioning.

Client & Location

PayZen Digital Banking GmbH
Location: Berlin, Germany
Industry: FinTech & Neo-Banking

Challenges

• Stringent German BaFin regulatory scrutiny and European PSD2 SCA authentication laws.
• Sub-second biometric login requirements with anti-tamper jailbreak detection.
• Instant push notifications for real-time currency exchange alerts and transaction confirmations.

Solution

SM Softwares created high-security native mobile apps in Swift (iOS) and Kotlin (Android) with biometric authentication, dynamic virtual card masking, end-to-end encrypted payload channels, and instant SEPA payment APIs.

Technologies Used

• Swift / iOS Native & Kotlin / Android Native
• Biometric FaceID / TouchID & Secure Enclave
• REST / gRPC Microservice Gateways
• Hardware-backed KeyStore Encryption

Results & Business Impact

• Processes over €42 Million EUR monthly in cross-border European transactions.
• Zero security vulnerabilities detected across two rigorous third-party penetration tests.
• Average biometric login and dashboard render time under 0.8 seconds.