FinTech Software Development Services
End-to-end custom software for banks, payment companies, lending platforms, insurtech, and wealth management firms — built for regulatory compliance, enterprise security, and the speed that modern financial markets demand. Get a Free Consultation
The FinTech Opportunity — and the Engineering Challenge
| Market context
The global fintech market reached $320.81 billion in 2025 and is projected to grow at 15.27% CAGR, reaching $652.80 billion by 2030. Digital payments hold 46.2% of market share. Asia-Pacific leads with 44.86% global share at 16.02% CAGR. India fintech growing at 10.2% CAGR. |
Financial services are being rebuilt from the ground up — not incrementally improved. Neobanks are displacing retail branches. Embedded finance is integrating lending and insurance inside non-financial platforms. Real-time payment rails like FedNow and SEPA Instant are collapsing settlement times from days to seconds. Regulators across the US, UK, EU, and UAE are formalizing open banking mandates that force incumbents to open their data.
For financial institutions and fintech startups, this creates a binary choice: build proprietary software that gives you a genuine competitive edge, or implement generic platforms that make you indistinguishable from every other player in the market.
SSNTPL builds the former. For 15+ years, we have delivered custom fintech software to banks, payment processors, lending platforms, insurance companies, and financial data businesses across Asia, the Middle East, Europe, and North America. Our engineers understand both sides — the technical architecture for scalable financial systems, and the regulatory requirements that govern how those systems must behave.
FinTech Software Solutions We Build
We build across the full fintech spectrum — from core banking infrastructure to consumer mobile wallets, from real-time fraud engines to blockchain-based settlement systems.
Payment Gateway & Digital Payment Systems
Payment infrastructure is the highest-stakes layer of fintech. Latency is milliseconds, security breaches carry regulatory consequences, and downtime directly costs revenue. Our payment teams build high-throughput, PCI-DSS-compliant systems that handle millions of transactions without compromising reliability or fraud prevention.
- Custom payment gateway development (card, UPI, ACH, SEPA, SWIFT)
- Multi-currency and multi-rail payment orchestration platforms
- Real-time payment processing with FedNow, SEPA Instant, and UPI rails
- Payment SDK and API development for third-party integration
- Merchant onboarding and payment analytics dashboards
- 3DS2 and SCA-compliant checkout flows for EU/UK markets
Digital Banking & Neobank Platforms
| Market signal
Neobanking is the fastest-growing fintech segment at 18.7% CAGR through 2030. Digital wallet adoption in the US grew 31% YoY, reaching 62% penetration. (Source: Polaris Market Research / Federal Reserve, 2025) |
The neobank model — mobile-first, no branches, lower fees, faster onboarding — is winning market share at every income level. Whether you are building a challenger bank from scratch or modernizing a legacy core banking system, SSNTPL delivers the architecture to compete.
- Core banking system development and legacy modernization
- Mobile-first banking apps (iOS + Android) with biometric authentication
- Account management, transaction history, and statement generation
- Savings goals, spending analytics, and personal finance management tools
- Open banking API development (PSD2-compliant, FAPI-ready)
- KYC/KYB onboarding flows with AML screening integration
- Virtual and physical card issuance platforms
Digital Lending & Loan Management Platforms
Traditional loan origination is broken — paper-heavy, slow, and unable to serve the underbanked. Digital lending platforms compress the decision timeline from weeks to minutes using ML-based credit scoring and automated underwriting. We build lending infrastructure for banks, NBFCs, P2P platforms, and embedded lending providers.
- Loan origination, underwriting, and decisioning systems
- ML-based credit scoring using alternative and behavioral data
- P2P lending marketplace platforms
- BNPL (Buy Now Pay Later) infrastructure
- Collections and loan servicing management
- Regulatory reporting (RBI, FCA, CFPB)
- Embedded lending APIs for non-financial platform integration
Fraud Detection & Risk Management Software
| Market signal
The global fraud prevention market is projected to reach $60 billion in 2025, growing at 15% CAGR. Fraud monitoring led fintech services with 38.45% market share in 2025. (Source: Technavio / Polaris Market Research, 2025) |
Modern fraud prevention requires real-time, adaptive ML models that learn from every transaction — flagging anomalies without generating the false positives that break user experience. SSNTPL builds fraud engines that balance detection accuracy with operational efficiency.
- Real-time transaction monitoring and anomaly detection
- ML-based fraud scoring models (rules + AI hybrid architecture)
- Device fingerprinting, behavioral biometrics, and session analytics
- AML transaction screening and suspicious activity reporting (SAR)
- KYC document verification and liveness detection
- Chargeback management and dispute resolution workflows
Blockchain & DeFi Development
Blockchain is moving from proof-of-concept to production in financial services. Stablecoin settlement (Visa launched USDC clearing via Fireblocks in March 2025), tokenized assets, and CBDCs are entering mainstream adoption. SSNTPL builds on-chain and hybrid financial infrastructure for banks, exchanges, and fintech startups.
- Smart contract development (Solidity, Rust) on Ethereum, Polygon, Solana
- Stablecoin and CBDC platform development
- Tokenization platforms for real-world assets (RWA)
- DeFi protocol integrations (DEX, lending, yield)
- Crypto exchange and wallet development
- Blockchain-based trade finance and cross-border settlement systems
Wealth Management, InsurTech & RegTech
The fastest-growing adjacent fintech verticals — robo-advisory, digital insurance, and regulatory automation — each require deep domain software built for compliance from day one.
- Robo-advisory and automated portfolio management platforms
- Algorithmic trading systems and backtesting environments
- Digital insurance policy management and claims automation
- RegTech compliance dashboards (GDPR, PCI-DSS, SOC 2, MiFID II, DORA)
- Automated regulatory reporting and audit trail systems
- ESG scoring and sustainable investment tracking platforms
Why Financial Institutions Choose SSNTPL
FinTech software has zero tolerance for ambiguity. Security vulnerabilities carry regulatory penalties. Downtime triggers customer churn and compliance investigations. Performance bottlenecks cost revenue at scale. Our fintech practice is built around these realities.
| Compliance-first engineering
We build PCI-DSS, GDPR, SOC 2, RBI, FCA, and CFPB requirements into the architecture — not bolted on after. Your system ships audit-ready. |
Security by design
End-to-end encryption, zero-trust architecture, OWASP-compliant APIs, and regular penetration testing are standard on every fintech engagement. |
| Scalable for transaction volume
Architectures are load-tested at 10x projected peak traffic before go-live. Event-driven microservices ensure you scale without rearchitecting. |
API-first, integration-ready
Pre-built connectors for Stripe, Plaid, Razorpay, Temenos, Mambu, Salesforce FSC, SWIFT, and major card networks. |
| Dedicated teams, signed NDAs
Financial data is your most sensitive asset. Every SSNTPL team signs NDA on day one. Dedicated engineers — not shared resource pools. |
15+ years, global delivery
Delivered fintech projects in US, UK, UAE, Singapore, and India. Teams operate across time zones to match your business hours. |
Technology Stack
We select stack based on your regulatory environment, data residency requirements, and existing infrastructure — not based on trend.
| Backend | Java (Spring Boot), Python, Go, Node.js, .NET Core |
| Frontend | React.js, Next.js, Angular — WCAG AA-compliant |
| Mobile | React Native, Flutter (iOS + Android) |
| AI / ML | Python (TensorFlow, XGBoost, scikit-learn) for credit scoring, fraud, analytics |
| Blockchain | Solidity, Rust; Ethereum, Polygon, Solana, Hyperledger Fabric |
| Database | PostgreSQL, MySQL, MongoDB, Redis (caching), Apache Kafka (event streaming) |
| Cloud | AWS GovCloud, Azure, GCP — SOC 2-compliant infrastructure |
| Security | AES-256, TLS 1.3, HSM key management, OWASP-compliant APIs |
| Integrations | Stripe, Plaid, Razorpay, Temenos, Mambu, Salesforce FSC, SWIFT, Visa/Mastercard APIs |
| Compliance | PCI-DSS Level 1, GDPR, SOC 2 Type II, RBI, FCA, MiFID II, DORA |
How We Engage
Fintech projects carry higher stakes than typical software engagements. Our process de-risks every phase — from regulatory scoping to production hardening.
- Regulatory & Compliance Scoping (Week 1)
Before architecture decisions are made, we map your regulatory obligations: jurisdiction, data residency, licensing requirements, and third-party risk management. This prevents costly redesigns later.
- Security Architecture Review (Week 1–2)
Threat modelling session before design begins. Output: a documented security model covering authentication, authorization, encryption, audit logging, and breach response protocols.
- System Design & API Contracts (Week 2–4)
Data flows, service boundaries, and API contracts are defined and agreed with your team before development begins. All integration points documented upfront.
- Agile Development with Compliance Checkpoints (Ongoing)
Two-week sprints with embedded QA. Compliance checkpoints are built into the sprint cycle — not tested at the end. Continuous audit trail maintained throughout.
- Penetration Testing & Certification Support (Pre-launch)
Third-party pen testing is standard before production deployment. We assist with PCI-DSS SAQ/ROC preparation and SOC 2 Type II readiness documentation.
- Production Support & SLA-backed Maintenance
Financial systems require 99.9%+ uptime. Our support model includes 24/7 incident response, proactive monitoring, and a dedicated account engineer.
Frequently Asked Questions
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How long does it take to build a fintech application?
A payment gateway MVP typically takes 10–14 weeks. A full neobank platform with core banking, KYC, and card issuance ranges from 6–18 months. We provide a detailed timeline after the compliance and architecture scoping phase — not before, because regulatory requirements routinely change the scope.
Is SSNTPL experienced with PCI-DSS compliance?
Yes. Our payment engineering team has delivered PCI-DSS Level 1-compliant systems. We design architecture to minimize cardholder data scope, implement HSM-backed encryption, and can assist with SAQ or ROC documentation for your QSA.
Can you integrate with our existing core banking system?
Yes. We have integration experience with Temenos T24, Mambu, Finacle, Finastra, and custom legacy core banking systems. Integration complexity and timeline depend on API availability — we assess this in the scoping phase.
Do you build for regulated markets like the UK, US, and UAE?
Yes. We have delivered fintech software for clients under FCA (UK), CFPB/OCC (US), CBUAE (UAE), MAS (Singapore), and RBI (India) regulatory frameworks.
How do you handle data residency and privacy requirements?
We design for data residency from the infrastructure level — selecting cloud regions that keep regulated data within the required jurisdiction. For GDPR, we implement data minimization, right-to-erasure workflows, and documented data processing agreements as standard.
Ready to Build Secure, Compliant FinTech Software?
Our fintech engineering team is available for a no-obligation technical consultation. Tell us your product, your target market, and your compliance requirements — we will return a proposed architecture, team structure, and timeline within 48 hours. Talk to an expert
