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Fintech Development Experts • Since 2010

Money moves fast.
Your fintech
should move faster.

We build fintech apps that handle millions in transactions, stay compliant with global financial regulations, and give users the seamless banking experience they demand.

•••• •••• •••• 4829
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15+
Years Experience
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1500+
Global Clients
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99.9%
Uptime SLA
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500+
Solutions Delivered
Why Netleon

Why Financial Businesses Choose Us

Banks are closing branches. Wallets are replacing cash. Trading happens on phones. The companies winning have better technology, not bigger buildings.

In finance, there's no room for "almost works." Your app needs to be fast, secure, compliant, and available 24/7. When someone's money is involved, trust is everything.

🔐
Bank-Grade SecurityPCI-DSS, SOC2, ISO 27001 compliant architectures
Zero Downtime99.9% uptime SLA — your money never sleeps, neither do we
🏛️
Regulatory CompliantBuilt for global financial regulatory frameworks from day one
🚀
Launch in 12 WeeksMVP to production — faster than any competitor
See Our Services
Build Pipeline Live
Code Review3 PRs merged
Done
Unit Tests248/248 passed
Done
BuildingCompiling modules...
78%
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DeployWaiting...
Queued
$ npm run build
✓ Compiled 142 modules
✓ Bundle size: 124kb
⚡ Deploying to prod...
Our Expertise

Fintech Development Services

From neobanks to trading platforms — built for real money, real users, real compliance.

01 / 06
🏦 Digital Banking

Digital Banking & Neobank Solutions

Complete modern banking — account management to multi-currency support. Neobanks people actually trust with their money.

  • Account management & fund transfers
  • Virtual & physical card issuance
  • eKYC & video verification
  • Multi-currency & forex support
My Accounts
Savings₹4,52,800
Current₹12,80,450
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Salary+₹85,000
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Rent-₹25,000
💳 Payments

Payment Gateway & Digital Wallets

Secure wallets and gateways built for massive transaction volumes. UPI, international payments — PCI-DSS compliant from architecture level.

  • UPI, cards, net banking integration
  • International payment support
  • Wallet-to-wallet instant transfers
  • PCI-DSS Level 1 compliance
  • Real-time transaction monitoring
Pay & Transfer
Wallet Balance
₹1,24,350
+ AddSend
Recent
Amazon₹2,499 · UPI
Netflix₹649 · Card
Rahul₹5,000 · Wallet
📈 Trading

Stock Trading Platforms

Real-time market feeds, order engines, portfolio tracking — thousands of concurrent users on live markets with zero lag.

  • Real-time market data & charting
  • Order management engine
  • Portfolio tracking & P&L
  • Options chain & derivatives
Markets
NIFTY 5023,465
RELIANCE₹2,845 +2.4%
TCS₹3,720 -0.8%
AAPL$198.54 +1.2%
🏠 Lending

Lending & Credit Platforms

Loan origination, credit scoring, automated underwriting — approval in minutes, not days. Complete lending infrastructure.

  • Instant loan origination system
  • AI-based credit scoring
  • EMI calculator & repayment scheduler
  • Document verification automation
Loan Status
Approved Amount
₹5,00,000
✓ Pre-approved
Rate10.5%
EMI₹10,870/mo
Tenure60 months
Accept & Proceed →
🛡️ InsurTech

Insurance Technology Solutions

Policy management, claims automation, risk assessment — insurance made seamless, efficient, and customer-friendly.

  • Policy lifecycle management
  • Automated claims processing
  • AI risk assessment engine
  • Customer self-service portals
My Policies
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Health Insurance
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⛓️ Web3 & DeFi

Blockchain & DeFi Applications

Smart contracts, DEXs, tokenization, crypto wallets — production-grade Web3 finance for the decentralized future.

  • Smart contract development & audit
  • Decentralized exchange (DEX)
  • Crypto wallet & custodial solutions
  • Token creation & ICO/IDO platforms
DeFi Wallet
Portfolio
$24,680
↑ +12.4%
Bitcoin0.32 BTC · $18,240
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Ethereum2.8 ETH · $5,320
Solana15 SOL · $1,120
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⚠️ Critical Reality

Finance Isn't Like Building a Regular App

One wrong move in fintech costs millions. Here's what makes this domain unforgiving — and why you need battle-tested engineers.

🛡️
  • ⚠️

    One security flaw = millions lost

    Reputation, licenses, user trust — gone in a single breach.

  • ⏱️

    10 minutes downtime = crisis

    When payments stop, people panic. No "we'll fix it tomorrow."

  • 📜

    Regulations never stop changing

    PCI-DSS, PSD2, GDPR, MiFID — adapt without full rebuilds.

  • 🏛️

    Users demand bank-level trust

    Your neobank competes with legacy banks for user confidence.

  • 200ms delay = missed trade

    Speed is money. 3 seconds feels like forever in payments.

  • 🔗

    Legacy integrations break silently

    Banks, gateways, KYC APIs — one version mismatch halts everything.

Core Capabilities

What's Under the Hood

Non-negotiable standards in every Netleon fintech product.

🔒 Security Architecture

AES-256 encryption, multi-factor auth, tokenization, zero-trust architecture, penetration testing — security is the foundation, not an afterthought.

AES-256TLS 1.3MFARBACPen Testing

⚡ Performance

Microservices, event-driven architecture, Redis caching, auto-scaling infrastructure for peak loads.

RedisKafkaAuto-scaleCDN

📋 Compliance Ready

PCI-DSS Level 1, GDPR, SOC 2, PSD2 & regional compliance built into every release.

PCI-DSSGDPRSOC 2RBI

🎨 User Experience That Builds Trust

Biometric login, real-time push alerts, offline mode, multi-language, dark mode, WCAG 2.1 accessibility — designed for confidence.

Face IDDark ModeOfflineWCAG 2.1Multi-langPush Alerts

🔗 Deep Integrations

SWIFT, SEPA, ACH, Stripe, Plaid, Open Banking APIs, KYC/AML providers & market data feeds connected.

StripePlaidKYCACH

📊 Real-Time Analytics

Live dashboards, anomaly detection, predictive insights, and audit trails for every transaction.

GrafanaELK StackAlertsAudit Logs
Process

How We Build

Battle-tested process for financial-grade software.

Week 1–2

Discovery & Compliance Mapping

Business model, users, revenue streams, regulatory landscape — mapped before a single line of code.

Week 2–3

Architecture & Security Design

Data flows, API contracts, schemas, encryption strategy — where projects succeed or fail.

Week 3–5

UI/UX Design

Trust-building interfaces. Clean, professional, intuitive — confidence in every pixel.

Week 5–16+

Agile Development Sprints

2-week sprints, demos every 14 days. Sandbox testing before real money touches the system.

Ongoing

Security Testing & Audit

Pen testing, vulnerability scanning, code reviews — throughout the process, not just at the end.

Go-Live

Staged Deployment

Internal → Beta → Public. Full monitoring & alerting configured before launch.

Forever

Post-Launch Iteration

Ongoing support, optimization, compliance updates, new feature development.

Case Study

Real Product. Real Results.

FEATURED PROJECT

Stocks.News

Real-time stock market news, trading insights, breaking alerts — fast enough for day traders who need info before the market moves.

100K+
Downloads
4.6★
Rating
<1s
Alert Speed
60%
DAU Rate
View Full Case Study →
Stocks News App
Why Us

Why Fintech Companies Choose Netleon

01

We've Done This Before

Live trading platforms, payment systems, financial apps handling real money. We know what breaks under pressure.

02

Security From Day One

Encryption, access control, audit logging — baked into the foundation, not painted on top after launch.

03

We Track Regulations

PCI-DSS, GDPR, PSD2 updates? We build systems that adapt without requiring full rebuilds.

04

Built for Scale

500 users today, 50,000 next quarter. Architecture that scales without rewriting from scratch.

FAQ

Frequently Asked Questions

How long does it take to build a fintech app?+

Basic MVP: 8-12 weeks. Full platform (trading/neobank): 4-8 months depending on complexity and compliance requirements.

How much does fintech development cost?+

MVP: ₹15-25 lakhs. Full-scale with trading engines & compliance: ₹40 lakhs to ₹1.5 crore+. Depends on features.

How do you handle security?+

Encrypted storage, secure APIs, penetration testing, vulnerability assessments, PCI-DSS compliance — in every sprint from day one.

Can you help with financial compliance?+

Yes. We architect for KYC, AML, transaction reporting, data residency requirements — and keep systems updated as regulations evolve across jurisdictions.

Do you work with startups or enterprises?+

Both. Lean approach for early-stage startups, structured delivery for enterprise scale. We adapt to your business stage.

What about post-launch support?+

Ongoing support — bug fixes, security patches, performance monitoring, compliance updates, and continuous feature development.

Ready to build something exceptional?

Let's discuss how Netleon can support your business growth with scalable, well-engineered solutions.

Ready to build

Insights & Updates

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