Build Production-Ready Financial Products with the #1 Fintech Development Partner
Need a fintech software development company that understands both code and compliance? FintegrationFS delivers custom financial technology solutions for banks, fintechs, and financial institutions across the United States.
With 100+ production-ready fintech products serving 100M+ users, we're the development partner that turns your financial innovation into market reality.
Why US Financial Institutions Choose FintegrationFS
Proven Production Track Record
We've shipped 100+ fintech products that are live in production, not just concepts. Our fintech software development services have powered platforms processing billions in transactions.
Real Results:
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45% increase in active users for NPS platform modernization
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500K+ app downloads for major financial services clients
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30% rise in subscription conversions through optimized UX
US Market Expertise with Compliance Built-In
As a fintech software development company USA, we understand SEC regulations, state money transmitter licenses, SOC 2, PCI DSS, and US banking compliance requirements from day one.
Compliance Coverage:
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SOC 2 Type II certified infrastructure
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PCI DSS Level 1 payment processing
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SEC/FINRA regulatory reporting
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State-by-state MTL compliance architecture
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Bank Secrecy Act (BSA) & AML compliance
15+ Years of Financial Technology Experience
Since 2009, we've been building custom fintech software development solutions for startups raising Series A through publicly-traded financial institutions.
Industries Served:
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Digital Banking & Neobanks
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Payment Processing & Remittance
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Lending & Credit Platforms
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Wealth Management & Trading
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InsurTech & Embedded Finance
Relevant Case studies
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Custom Fintech Development Services
1. Digital Banking Software Development
Looking to launch a neobank or modernize legacy banking systems?
Our banking software development company expertise includes:
Core Banking Solutions:
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Account management & KYC automation
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Real-time payment processing (ACH, RTP, FedNow)
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Card issuing integration (Galileo, Marqeta, Lithic)
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Multi-currency accounts & FX management
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Regulatory reporting automation
Digital Banking Features:
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Mobile-first banking apps (iOS & Android)
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Web banking portals with instant account opening
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P2P transfers & bill payment
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Savings goals & automated savings
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Personal financial management (PFM) tools
Technology Stack:
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Backend: Node.js, Python, Java microservices
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Frontend: React Native, React.js, Next.js
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Infrastructure: AWS, Azure, GCP (cloud-native)
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Databases: PostgreSQL, MongoDB, Redis
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Security: End-to-end encryption, OAuth 2.0
Typical Timeline: 4-6 months for MVP | 8-12 months for full platform
2. Payment Processing Software Development
Need a payment gateway, digital wallet, or merchant processing system?
Our payment processing software development services cover:
Payment Solutions:
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Payment gateway development & API integration
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Digital wallet apps (consumer & merchant)
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Merchant processing platforms
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Cross-border payment systems
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Cryptocurrency payment integration
Key Integrations:
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Payment Rails: Stripe, Square, Adyen, Authorize.net
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ACH Processing: Plaid, Dwolla, Finix
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Card Networks: Visa, Mastercard direct connections
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Alternative Payments: Apple Pay, Google Pay, PayPal
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Crypto: Coinbase Commerce, BitPay
Compliance: PCI DSS Level 1, PSD2, KYC/AML, OFAC screening
Processing Capabilities:
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10,000+ transactions per second
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99.99% uptime SLA
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Real-time fraud detection (ML-powered)
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Instant settlement options
Typical Timeline: 3-5 months for payment gateway | 6-8 months for full payment platform
3. Lending Software Development
Launching a lending platform or modernizing loan origination?
Our lending software development expertise includes:
Lending Platform Types:
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Personal loan origination systems
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Business lending & SMB financing
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Buy Now Pay Later (BNPL) solutions
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Marketplace lending platforms
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Mortgage & home equity systems
Core Lending Features:
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Automated loan application & underwriting
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Credit decisioning engine integration
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Document verification & OCR
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E-signature & loan agreement automation
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Loan servicing & payment processing
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Collections & default management
Credit & Risk APIs:
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Credit Bureaus: Experian, Equifax, TransUnion
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Alternative Data: Plaid, Finicity (cash flow underwriting)
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Fraud Prevention: Alloy, Socure, Onfido
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Document Verification: Ocrolus, Vouched
Regulatory Compliance:
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Truth in Lending Act (TILA)
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Equal Credit Opportunity Act (ECOA)
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Fair Credit Reporting Act (FCRA)
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State-specific lending regulations
4. Wealth Management & Investment Software Development
Building a robo-advisor, trading platform, or portfolio management system?
Our financial software development services include:
Investment Platform Solutions:
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Robo-advisory platforms & automated investing
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Brokerage & stock trading apps
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Portfolio management systems
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Retirement planning tools
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Crypto investment platforms
Trading & Market Data:
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Brokerage APIs: Alpaca, Interactive Brokers, Tradier
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Market Data: Polygon.io, IEX Cloud, Bloomberg
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Execution: Real-time order routing & fills
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Fractional Shares: Commission-free trading infrastructure
Portfolio Features:
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Real-time portfolio tracking & analytics
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Tax-loss harvesting automation
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Rebalancing algorithms
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Performance attribution reporting
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Custom investment mandates
Compliance: SEC, FINRA, broker-dealer regulations, accredited investor verification
5. InsurTech Software Development
Modernizing insurance operations or launching a digital-first insurance product?
Our InsurTech software development covers:
Insurance Technology Solutions:
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Policy management systems
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Claims processing automation
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Underwriting & risk assessment platforms
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Insurance CRM & agent portals
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Embedded insurance APIs
InsurTech Capabilities:
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Digital policy issuance & management
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Automated claims adjudication
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AI-powered risk assessment
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Fraud detection & prevention
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Regulatory compliance reporting
Insurance APIs & Integrations:
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Policy administration systems
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Rating engines & actuarial platforms
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Third-party data providers
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Payment processing for premiums
Typical Timeline: 5-8 months for insurance platform MVP
Financial Service Provider Integrations
Build innovative fintech mobile app development solutions beyond traditional banking. Our expertise spans the entire fintech ecosystem, enabling you to launch products that address specific financial needs.
Banking & Account Aggregation
Connect users' bank accounts from 12,000+ financial institutions. Plaid provides account authentication, balance checking, transaction history, identity verification, income verification, liabilities data, and investment holdings. We've delivered 30+ Plaid-powered apps and maintain official partner status.
Payment Processing
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Comprehensive payment infrastructure. Stripe handles credit card processing, ACH transfers, instant payouts, recurring billing, marketplace facilitation, fraud prevention with Radar, and global payment methods. Our team has built 50+ Stripe integrations.
Identity Verification & KYC
Customizable identity verification platform. Persona offers government ID verification, selfie verification with liveness detection, document verification (proof of address, income), database verification, and fraud detection. Modular approach fits any use case.
Fintech API Integration Expertise
We're Official Development Partners With:
Banking & Account Data
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Plaid - Official Partner (30+ integrations delivered)
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Finicity - Account aggregation & verification
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MX - Financial data platform
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Yodlee - Bank account connectivity
Payment Processing
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Stripe - Payment gateway & billing
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Square - Merchant services & PoS
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Dwolla - ACH processing
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Adyen - Global payment methods
Identity & KYC
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Alloy - Identity verification & fraud prevention
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Persona - KYC automation
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Onfido - Document & biometric verification
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Socure - Identity verification
Credit & Lending
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Experian - Credit reports & decisioning
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Plaid - Cash flow underwriting
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Ocrolus - Document verification
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Finicity - Income & employment verification
Investment & Trading
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Alpaca - Stock & crypto trading API
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Polygon.io - Market data & analytics
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Interactive Brokers - Brokerage connectivity
Global Team, Local Presence
Development Centers
India (Ahmedabad)
USA (Austin, Texas)
UAE (Planned Expansion)
Communication Excellence
Work seamlessly across time zones with:
Daily standup meetings via Slack/Teams
Bi-weekly sprint reviews with demos
Real-time project tracking (Jira, Linear)
Dedicated account manager
24/7 critical issue support
Comprehensive documentation
Technology Stack & Integrations
Frontend Technologies
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React.js, React Native for cross-platform mobile apps
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Next.js for server-side rendering and SEO
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TypeScript for type-safe development
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Tailwind CSS for responsive design
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PWA capabilities for offline functionality
Backend Technologies
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Node.js, Python, Java for microservices
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GraphQL and REST API architecture
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PostgreSQL, MongoDB for data persistence
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Redis for caching and session management
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Apache Kafka for event streaming
Cloud & Infrastructure
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AWS, Azure, Google Cloud Platform
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Kubernetes for container orchestration
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Terraform for infrastructure as code
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CloudFlare for CDN and DDoS protection
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Datadog/New Relic for application monitoring
Financial Service Integrations
Account Aggregation: Plaid, Finicity, MX, Yodlee
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Payment Processing: Stripe, Square, Dwolla, Adyen
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Identity Verification: Onfido, Jumio, Persona, Alloy
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Credit Data: Experian, Equifax, TransUnion
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Accounting: QuickBooks, Xero, FreshBooks
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Investment Data: Alpaca, Polygon.io, IEX Cloud
