Sii Poland

SII UKRAINE

SII SWEDEN

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Sii Poland

SII UKRAINE

SII SWEDEN

Payment Solutions

We support leading brands in optimizing payments. Team up with us to simplify transactions, automate with technology, and ensure secure operations.

SECTOR-FOCUSED SOLUTIONS

Payment Gateway

Fast and secure transaction management with AI-assisted engineering

We develop and integrate advanced payment gateway ecosystems that streamline transaction flows, strengthen security, and improve operational efficiency. Our solutions combine multi-PSP and acquirer orchestration, tokenization, unified APIs, and AI-assisted analytics to support faster delivery, better transaction visibility, reliable operations, and smarter decision-making across complex payment environments.

  • Custom payment gateway and processing engine development
  • Integration with processors, acquirers, PSPs, and payment gateways
  • Unified APIs for wallets, A2A, BNPL, cards, and local payment methods
  • Smart routing, tokenization, and secure payment data handling
  • AI-assisted monitoring of latency, decline reasons, transaction patterns, and service availability
  • Real-time reporting, anomaly detection, and operational insights
Payment Processing

High-performance payment processing platforms with AI-assisted operations

We help banks, issuers, acquirers, and payment providers build and modernize end-to-end processing platforms. Our solutions cover authorization, clearing, settlement, reconciliation, disputes, and chargebacks, combining scalable engineering with AI-assisted monitoring to improve performance, resilience, fraud awareness, and regulatory readiness.

  • Transaction lifecycle management: authorization, clearing, settlement, disputes, and chargebacks
  • Multi-scheme routing and switching supported by data-driven decisioning
  • Issuing capabilities: tokenization, wallets, card lifecycle, and cardholder verification
  • Acquiring solutions with merchant risk, monitoring, and fraud prevention
  • High-throughput, low-latency processing for SLA-driven scalability
  • Compliance-oriented architecture aligned with PSD2, DORA, PCI DSS 4.x, ISO 27001, and emerging PSD3/PSR requirements
  • AI-assisted detection of processing anomalies, settlement delays, and reconciliation breaks
POS & Mobile Payment

Smart POS and mobile payment ecosystems for modern commerce

We design POS and mobile payment solutions that support secure, flexible, and seamless payment experiences across physical and digital channels. Our systems integrate with terminals, mobile apps, loyalty platforms, inventory, fiscal devices, and merchant back-office tools, while enabling real-time monitoring and AI-assisted operational insights across multiple locations.

  • Custom POS and mobile payment app development
  • Contactless payments, mobile wallets, QR codes, loyalty, and digital receipts
  • Integrations with terminals, inventory, employee cards, fiscal devices, and back-office systems
  • Terminal fleet monitoring, alerts, remote updates, and incident prioritization
  • Performance optimization, stability improvements, and transaction flow analysis
  • Monitoring of availability, failures, latency, connectivity, and software compliance

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Fraud Detection & Prevention 

AI-assisted fraud detection and adaptive authentication

We design fraud detection and prevention solutions that combine real-time monitoring, rules engines, AI/ML-based risk scoring, and behavioral analytics. Our approach helps payment providers detect suspicious patterns, reduce false positives, prioritize alerts, strengthen authentication flows, and support compliance across the transaction lifecycle.

  • Real-time transaction monitoring with AI/ML-based risk scoring
  • Behavioral analytics to detect anomalies and emerging fraud patterns
  • Rules engine design, alert prioritization, and false-positive reduction
  • MFA, secure communication, and adaptive authentication flows
  • Strong Customer Authentication design, integration, and testing
  • 3D Secure 2.x implementation, migration from 3DS 1.0, and end-to-end testing
  • Fraud case management, investigation tooling, and operational reporting
  • Compliance alignment with PSD2, DORA, PCI DSS 4.x, ISO 27001, and emerging PSD3/PSR requirements

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Advanced Payment Analytics 

AI-assisted payment analytics, forecasting, and operational intelligence

We turn payment data into actionable insights through scalable data platforms, real-time analytics, and AI-assisted forecasting. We help organizations unify transactional, operational, risk, and customer interaction data to improve reporting, fraud detection, authorization performance, service quality, and business decision-making.

  • Scalable data lakes and data warehouses for payment data consolidation
  • Data modeling for formats, semantics, and payment-specific KPIs
  • Real-time processing for operational insights and exception detection
  • Dashboards for business, operations, risk, compliance, and technology teams
  • Integration with BI tools and enterprise reporting ecosystems
  • AI-assisted forecasting for volumes, authorization rates, fraud trends, and service demand
  • Analytics for decline reasons, chargebacks, settlement delays, reconciliation breaks, merchant performance, and SLA monitoring

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Przemysław Włoczkowski

Head of Industry

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