PCI DSS, Payment Card Industry Data Security Standard
Cardholder data environment isolation, tokenization, and network segmentation from architecture design.
We build secure and compliance-ready fintech software for banks, credit unions, payment companies, and fintech startups. Our solutions include payment gateways, digital banking apps, lending systems, AI fraud detection tools, and RegTech platforms.
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FINTECH SOFTWARE
From consumer-facing payment apps to enterprise-grade core banking platforms, our fintech software development services cover every layer of the financial technology ecosystem. We engineer fintech software for regulatory compliance, transaction security, and the scalability modern financial applications require.
WHO WE SERVE
Our bespoke fintech software development services are tailored to the compliance requirements, transaction workflows, operational scale, and user expectations of each organization type, from regulated banks to early-stage fintech startups launching their first product.
Services
Full-cycle fintech software development aligned with your compliance requirements, transaction volume needs, and delivery timelines. From product discovery and regulatory planning to system architecture, software development, testing, deployment, and post-launch support, every engagement is focused on delivering secure, stable, and production-ready financial software.
We build bespoke financial software from the ground up, architected for your specific business model, regulatory environment, and integration ecosystem. Security and compliance requirements are integrated into every development sprint.
Secure, high-throughput payment processing infrastructure spanning merchant-facing payment gateways, checkout experiences, back-end settlement engines, and reconciliation systems. Card, ACH, SWIFT, and real-time payment rails are supported by the architecture, with native support for card, ACH, SWIFT, and real-time payment rails.
Online and mobile banking platforms designed for banks, credit unions, and neobanks, covering account management, fund transfers, card management, notifications, and open banking API connectivity. Third-party banking and payment integrations are incorporated into the core system architecture.
End-to-end lending platforms covering loan origination, automated credit decisioning, underwriting workflows, and repayment management. We build borrower self-service portals for consumer lenders, commercial banks, BNPL providers, and mortgage platforms.
Investment management platforms, robo-advisory tools, and portfolio tracking applications are built for retail investors, registered investment advisors (RIAs), and asset management firms, with real-time market data integration and regulatory reporting wired into every layer.
Regulatory technology solutions that automate KYC/AML processes, transaction monitoring, regulatory reporting, and compliance audit trails, reducing the operational burden of financial regulation without adding compliance risk.
AI-powered capabilities integrated into financial software as production-grade components, from real-time fraud detection models and AI credit scoring to LLM-powered financial assistants, automated document processing, and predictive risk analytics.
Blockchain-based financial applications spanning smart contract development, tokenization platforms, cryptocurrency wallets, DeFi protocols, and settlement systems are deployed across Ethereum, Solana, Hyperledger Fabric, and private blockchain networks.
We deliver iOS and Android financial applications that are mobile-first, covering consumer banking, payment wallets, investment dashboards, and insurance apps. Every experience is engineered for the security, performance, and regulatory requirements that financial services demand.
We build bespoke financial software from the ground up, architected for your specific business model, regulatory environment, and integration ecosystem. Security and compliance requirements are integrated into every development sprint.
Secure, high-throughput payment processing infrastructure spanning merchant-facing payment gateways, checkout experiences, back-end settlement engines, and reconciliation systems. Card, ACH, SWIFT, and real-time payment rails are supported by the architecture, with native support for card, ACH, SWIFT, and real-time payment rails.
Online and mobile banking platforms designed for banks, credit unions, and neobanks, covering account management, fund transfers, card management, notifications, and open banking API connectivity. Third-party banking and payment integrations are incorporated into the core system architecture.
End-to-end lending platforms covering loan origination, automated credit decisioning, underwriting workflows, and repayment management. We build borrower self-service portals for consumer lenders, commercial banks, BNPL providers, and mortgage platforms.
Investment management platforms, robo-advisory tools, and portfolio tracking applications are built for retail investors, registered investment advisors (RIAs), and asset management firms, with real-time market data integration and regulatory reporting wired into every layer.
Regulatory technology solutions that automate KYC/AML processes, transaction monitoring, regulatory reporting, and compliance audit trails, reducing the operational burden of financial regulation without adding compliance risk.
AI-powered capabilities integrated into financial software as production-grade components, from real-time fraud detection models and AI credit scoring to LLM-powered financial assistants, automated document processing, and predictive risk analytics.
Blockchain-based financial applications spanning smart contract development, tokenization platforms, cryptocurrency wallets, DeFi protocols, and settlement systems are deployed across Ethereum, Solana, Hyperledger Fabric, and private blockchain networks.
We deliver iOS and Android financial applications that are mobile-first, covering consumer banking, payment wallets, investment dashboards, and insurance apps. Every experience is engineered for the security, performance, and regulatory requirements that financial services demand.
SECURITY, COMPLIANCE & TECHNOLOGIES
Financial software operates under stricter security and regulatory requirements than almost any other software category. We engineer every fintech system with compliance as a structural requirement and use a technology stack proven in production financial environments.
Cardholder data environment isolation, tokenization, and network segmentation from architecture design.
Consent management, right-to-erasure workflows, data residency controls, and DPA execution on all EU-data projects.
Infrastructure-level controls aligned to SOC 2 Trust Service Criteria, documented, tested, and auditable.
ISMS policies, access management, incident response, and risk assessment are aligned to ISO 27001 Annex A controls.
Identity verification, sanctions screening, transaction monitoring, and SAR filing workflows are built into the platform architecture.
Regulatory logic configured per jurisdiction, FINRA (US), FCA (UK), RBI (India), ASIC (AU), and MAS (SG).
Strong Customer Authentication (SCA), open banking API standards, and TPP consent management for EU/UK deployments.
Consumer data rights, opt-out mechanisms, and privacy notice management for California-regulated financial products.
Accessible financial interfaces for all users, audit and remediation on every consumer-facing fintech interface.
| Security Measure | Implementation Detail |
|---|---|
| End-to-end encryption | AES-256 encryption at rest. TLS 1.3 in transit. Key management via AWS KMS or HashiCorp Vault. |
| Zero-trust architecture | No implicit trust on any network layer. Every service-to-service call is authenticated and authorized. |
| Penetration testing | OWASP-aligned pen testing before every major release. Third-party security audit for regulated deployments. |
| Fraud detection | Real-time ML scoring on transaction events. Rule engine + model ensemble for sub-100ms fraud flags. |
| Secrets management | No credentials in source code. Vault-based secrets injection in CI/CD pipelines. |
| Data residency controls | Customer data stored in jurisdiction-specific cloud regions. Configurable per regulatory requirement. |
SECTION 7, CASE STUDIES
Our fintech software development capabilities are grounded in real delivery, active platforms built for financial workflows, compliance requirements, and subscription-based business models.
S Cubed needed a centralized, HIPAA-compliant platform that unified clinical care tracking, multi-clinic financial management, billing workflows, and real-time collaboration between therapists and administrators, replacing disconnected systems with a centralized operational platform.
A full-stack practice management platform was designed and delivered with role-based access control, real-time care and financial tracking dashboards, multi-clinic billing management, encrypted data handling, and a family portal for authorized access to care and payment records.
The platform centralized clinical and financial operations across multiple clinic locations, eliminated manual reconciliation between disconnected systems, and gave administrators real-time visibility into care delivery and billing status simultaneously.
Stack: Custom Web Application, HIPAA-compliant cloud infrastructure, role-based access architecture
Compliance: HIPAA data handling, audit trail, PHI isolation, encrypted financial record storage
View Full Case StudyHealthShield required a subscription-gated SaaS platform with tiered billing, secure document storage, and automated financial communication workflows, where subscription status dynamically controlled feature access and payment failure triggered compliant re-engagement sequences.
We built a multi-tier subscription platform with Stripe billing integration for recurring payments, subscription tier management, automated Mailchimp communication sequences triggered by payment events, a secure document vault, and a dynamic resume builder populated from stored credential data.
HealthShield launched a commercially viable subscription SaaS product with zero manual billing management. All subscription renewals, failed payment retries, and re-engagement sequences run automatically, eliminating the need for dedicated billing administration.
Stack: Laravel, Vue.js, Stripe Billing API, Mailchimp API, MySQL, secure document storage
FinTech Features: Recurring billing, subscription tier logic, failed payment handling, automated financial workflows
View Full Case StudyWhy Digisoft Solution
The fintech development market is saturated with generalist vendors. These are the specific, verifiable reasons financial organizations choose us.
PCI DSS, GDPR, SOC 2, and KYC/AML requirements are architected into system design from sprint one, not addressed during a final security review. Regulatory compliance is addressed during architecture planning rather than post-development remediation.
Beyond fintech, we have delivered HIPAA-compliant healthcare platforms and financial management systems in active production use. We have extensive experience delivering software for regulated industries.
AI is integrated into financial software as a functional component, including fraud detection models, LLM-powered assistants, and automated document processing, using OpenAI, Anthropic, and AWS SageMaker in production deployments, not as proofs of concept.
Direct senior-level client engagement from our US-based team, backed by a proven India-based engineering capability. Enterprise-quality fintech delivery at a cost structure accessible to growth-stage startups and established financial institutions alike.
One partner from discovery through post-launch support. No handoffs between design, development, security, and QA vendors. No gaps in ownership when payment flows break, compliance requirements change, or integrations drift.
Fintech startups reach their first regulated users, first revenue, or first investor milestone faster with a focused MVP delivery model. Most financial software MVPs are delivered in 8 to 14 weeks, without the technical debt that blocks the next funding round.
Development Process
Fintech development carries more risk than most software categories; regulatory non-compliance, security vulnerabilities, and payment processing failures all have direct financial and legal consequences. Our process is designed to eliminate those risks at every stage.
Regulatory requirements mapped, third-party integrations identified, compliance obligations documented, and delivery plan confirmed before a line of code is written.
System architecture, data model, API design, and security controls designed to meet your specific regulatory framework. Security controls are implemented during the architecture and development stages.
Two-week sprints with bi-weekly demos. Each sprint delivers working software for review and validation. Payment flows, compliance checks, and integrations demonstrated before QA, not after.
OWASP-aligned penetration testing, PCI DSS compliance validation, fraud logic testing, and performance load testing before any production deployment.
Zero-downtime deployment, payment gateway live testing, regulatory sign-off support, and active monitoring on launch day across all environments.
Ongoing security patch management, regulatory change tracking, payment scheme rule updates, and feature development, so your platform stays compliant and competitive.
Engagement Models
Defined deliverable at an agreed cost. Best for well-scoped fintech products with stable regulatory requirements and clear delivery timelines.
Full-time team on your product. Best for evolving fintech platforms where regulatory changes, new features, and market feedback continuously reshape the roadmap.
Transparent billing with weekly reporting. Best for exploratory MVP builds, R&D phases, or products with frequently shifting compliance or feature priorities.
Pre-vetted, fintech-experienced engineers are placed into your team. Best for scaling an existing engineering capability quickly without compromising on domain knowledge.
Testimonials
Unveiling Our Client’s Success Stories. Let us see what our happy customers say about us.
Fintech software development services cover the design, development, and deployment of custom financial technology applications, including payment gateways, digital banking platforms, lending systems, RegTech tools, and AI-powered financial software, built to regulatory compliance standards such as PCI DSS, GDPR, and SOC 2.
A fintech software development company builds payment processing systems, digital banking apps, loan management platforms, wealth management tools, RegTech compliance software, blockchain applications, and AI-powered financial products. Digisoft Solution delivers all of these as end-to-end, compliance-ready builds.
Custom fintech software typically costs $8,000–$20,000 for payment integrations, $20,000–$45,000 for a digital banking MVP, $25,000–$60,000 for a lending platform, and $80,000–$250,000+ for enterprise core banking systems. Scope, compliance requirements, and integrations drive final cost.
A fintech MVP typically takes 8–14 weeks. A digital banking platform or lending system requires 3–6 months. Enterprise core banking systems take 6–18 months. Timeline and milestones are confirmed during the scoping phase before development begins.
PCI DSS compliance is designed into the cardholder data environment from the architecture phase, not audited at the end. Network segmentation, tokenization, access controls, and encrypted logging are implemented across every payment system, with a full PCI DSS assessment completed before go-live.
Yes. AI capabilities are integrated into fintech software for fraud detection, credit scoring, automation, and customer support as functional components, including fraud detection models, LLM-powered financial assistants, automated KYC document processing, and predictive credit scoring. OpenAI API, Anthropic Claude API, AWS SageMaker, and Google Vertex AI are used in production fintech deployments.
KYC/AML systems are built with identity document verification, liveness checks, sanctions screening, PEP database matching, transaction monitoring with configurable rule engines, and automated SAR filing workflows, compliant with FinCEN, FCA, and regional AML regulations.
Yes. Smart contracts on Ethereum, Solana, and Hyperledger Fabric are delivered alongside tokenization platforms for real-world assets, cryptocurrency wallets (custodial and non-custodial), DeFi protocols, and blockchain-based payment settlement infrastructure.
Yes. PSD2-compliant open banking API layers, Consumer Data Right (CDR) integrations for Australian markets, and Plaid/TrueLayer connections for account aggregation are all supported. Both AISP and PISP roles under PSD2 are covered for EU and UK deployments.
Stripe, Adyen, Braintree, PayPal, Dwolla (ACH), SWIFT, SEPA, FedNow, RTP, and open banking payment initiation are all supported. Multi-currency and multi-rail architectures are available for international payment products.
Stripe, Adyen, Braintree, PayPal, Dwolla (ACH), SWIFT, SEPA, FedNow, RTP, and open banking payment initiation are all supported. Multi-currency and multi-rail architectures are available for international payment products.
AES-256 encryption at rest, TLS 1.3 in transit, zero-trust network architecture, secrets management via HashiCorp Vault or AWS KMS, OWASP-aligned penetration testing, and real-time anomaly detection are implemented across every financial software engagement.
Yes. RegTech platforms covering KYC/AML automation, transaction monitoring, regulatory reporting (FinCEN, FCA, ESMA), GDPR data subject request management, and immutable audit trail systems are fully supported. Regulatory logic is configurable per jurisdiction.
Yes. Neobank platforms with core banking API integration, digital onboarding, card issuance management, and transaction management are delivered end-to-end. For embedded finance, BaaS integration layers are built to enable non-financial platforms to offer banking, lending, or insurance products.
Yes. Robo-advisory platforms with risk profiling, automated portfolio rebalancing, tax-loss harvesting logic, market data feed integration (Bloomberg, Refinitiv), FINRA-compliant trade management, and client-facing performance reporting portals are built to institutional standards.
GDPR consent management, right-to-erasure workflows, data residency controls, and DPA execution are built into all EU-data projects. For CCPA, opt-out mechanisms, privacy notice management, and consumer data request handling are engineered into the platform architecture from day one.
We build fraud detection using supervised ML models trained on transaction pattern data, combined with configurable rule engines for real-time scoring at sub-100ms latency. Fraud models analyze transaction behavior in real time to identify suspicious activity.
Yes. Loan origination systems with configurable product rules, bureau API integration (Experian, Equifax, and TransUnion), automated underwriting decision engines, repayment scheduling, and collections management are built to comply with TILA, RESPA, ECOA, and state-level lending regulations.
Yes. A US-based client management model backed by a proven India-based development team delivers enterprise-quality fintech software at a cost structure accessible to startups and growth-stage financial companies. Every project includes NDA execution, a US-based point of contact, and documented delivery milestones.
Plaid, Stripe, Adyen, Twilio (OTP), Jumio (KYC), Dwolla (ACH), SWIFT, FedNow, Bloomberg, Refinitiv, Salesforce Financial Services Cloud, and core banking platforms, including Temenos, Finastra, and FIS, are all supported, plus custom API development for proprietary financial systems.
Yes. All projects include security patch management, payment scheme rule updates (Visa/Mastercard mandate compliance), regulatory change tracking, performance monitoring, and feature development as standard post-launch support, keeping your platform compliant and operationally stable long-term.
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