FinTech, Banking & Payment Solutions
Engineer secure digital wallets, payment gateways, automated KYC/AML verification workflows, micro-lending portals, and open banking API architectures under strict PCI-DSS compliance.
Mission-Critical FinTech Infrastructure & Core Ledgers
Engineered for neo-banks, payment processors, and lending platforms requiring sub-second transaction routing, immutable ledger integrity, and regulatory compliance.
High-Throughput Payments, Digital Wallets & KYC Automation
Processing millions of transactions with mathematical accounting precision, automated fraud blocking, biometric customer verification, and direct open banking APIs.
Immutable Double-Entry Ledger
Strict double-entry bookkeeping engine with transactional locks ensuring credits and debits balance with mathematical zero-error guarantee.
- Mathematical Ledger Integrity
- Automated Reconciliation Audits
- Historical Balance Snapshots
Biometric KYC & AML Screening
Instant government document verification, facial liveness analysis, and continuous sanctions/PEP database cross-referencing.
- Real-time Government ID Scan
- Automated Sanctions & PEP Checks
Open Banking & Bank Transfers
Direct integration with Plaid, Teller, and Stripe Financial Connections for instant account balance verification and low-cost ACH transfers.
- Instant Bank Account Linking
- Lower Cost Direct ACH Debits
Enterprise SLA & Scalability
Architected for zero downtime, multi-region redundancy, and instant elasticity under peak consumer and enterprise workloads.
The 4-Stage Secure Financial Transaction Flow
How transactions are verified, fraud-scored, executed, and permanently balanced.
Biometric Authentication
User authorizes transaction via FaceID or multi-factor biometric key; session token verified.
AI Fraud Risk Evaluation
Machine learning evaluates transaction velocity, IP geolocation, and behavioral patterns in under 50ms.
Double-Entry Ledger Entry
Atomic database lock writes paired debit and credit records ensuring zero balance discrepancies.
Instant Settlement & Push
Funds transfer instantly over real-time payment rails; automated push alert and webhook dispatch.
Why FinTech Innovators Trust BigIntend
Mission-critical financial infrastructure engineered for 99.999% uptime and zero ledger error tolerance.
Zero Security Compromise
Strict role-based access, biometric multi-factor authentication, and end-to-end payload encryption.
Ultra-High Concurrency Throughput
Optimized database architectures processing thousands of financial transactions per second.
Banking Regulatory Compliance
Built by engineers experienced in FinCEN, GDPR, PSD2, and open banking regulations.
100% IP & Algorithm Ownership
You own all proprietary credit scoring models, transaction logic, and customer financial records.
Build a FinTech Solution
Schedule a private consultation with our Lead FinTech Architect to design your wallet, banking, or payment platform.