Fintech & Banking Software Development

Secure Fintech & Banking Solutions

Build the future of finance with secure, scalable fintech solutions. From digital wallets to core banking platforms, we develop PCI DSS compliant applications that transform financial services.

32+
Fintech Projects
100%
PCI DSS Compliant
$2B+
Transactions Processed
99.99%
System Uptime

Industry Challenges

Unique challenges that require specialized software solutions

Regulatory Compliance

Navigate complex regulations including PCI DSS, SOX, GDPR, and PSD2 requirements.

Security & Fraud Prevention

Protect against sophisticated fraud attempts and ensure transaction security.

Real-time Processing

Handle high-volume transactions with millisecond response times.

Legacy System Integration

Integrate modern solutions with existing banking infrastructure.

Our Software Solutions

Comprehensive development services designed to meet unique industry needs

Digital Wallets & Mobile Payment Apps

Secure mobile payment solutions with contactless payments, P2P transfers, and multi-currency support.

Key Features:

Contactless Payments
P2P Transfers
Multi-Currency Support
Biometric Authentication

Technologies:

React NativeStripePlaidAWSEncryption APIs

Core Banking & Lending Platforms

Modern core banking systems with account management, loan processing, and credit scoring.

Key Features:

Account Management
Loan Processing
Credit Scoring
Risk Assessment

Technologies:

JavaSpring BootPostgreSQLKafkaMicroservices

Cryptocurrency Exchanges & Trading

Secure crypto trading platforms with real-time market data and advanced order types.

Key Features:

Real-time Trading
Order Matching
Wallet Integration
KYC/AML Compliance

Technologies:

Node.jsWebSocketRedisBlockchain APIsReact

InsurTech & Digital Insurance

Digital insurance platforms with instant quotes, claims processing, and policy management.

Key Features:

Instant Quotes
Claims Automation
Policy Management
Risk Analytics

Technologies:

PythonDjangoMachine LearningAPIsCloud Infrastructure

Success Stories

Real results from our industry projects

Digital Banking Platform for Neo-Bank

Challenge:

A neo-bank needed a complete digital banking platform to compete with traditional banks while offering superior user experience.

Solution:

We built a cloud-native banking platform with instant account opening, real-time transactions, savings goals, and integrated investment features.

Results:

  • $2B+ in transactions processed
  • 1M+ active users in first year
  • 99.99% system uptime achieved
  • 3 second average transaction time
Technologies Used:
Node.jsReact NativePostgreSQLAWSStripe

Cryptocurrency Trading Platform

Challenge:

A crypto startup needed a secure, high-performance trading platform capable of handling millions of trades daily.

Solution:

We developed a scalable trading engine with advanced order types, real-time market data, and comprehensive security features.

Results:

  • 500K+ daily transactions
  • Sub-millisecond order matching
  • Zero security breaches
  • $500M+ trading volume monthly
Technologies Used:
GoWebSocketRedisKubernetesReact

Why Choose DevSimplex?

We understand the unique challenges and have the expertise to deliver secure, compliant, and scalable solutions.

  • PCI DSS Level 1 compliance expertise
  • Experience with Stripe, Plaid, and major payment gateways
  • 32+ successful fintech projects delivered
  • Advanced fraud detection and prevention systems
  • Open Banking and PSD2 API integration
  • 24/7 monitoring and incident response

Industry Certifications

PCI DSS
Level 1
SOX
Compliant
SOC 2
Type II
ISO 27001
Certified

Our Development Process

A specialized approach with compliance and security built into every step

01

Security & Compliance Assessment

Evaluate regulatory requirements, security needs, and compliance frameworks for your fintech solution.

02

Architecture & Design

Design secure, scalable architecture with fraud prevention, encryption, and audit logging built-in.

03

Secure Development

Build with security-first approach using secure coding practices, penetration testing, and code reviews.

04

Compliance Testing & Launch

Rigorous testing including security audits, compliance verification, and phased rollout strategy.

Frequently Asked Questions

How do you ensure PCI DSS compliance in payment applications?

We implement comprehensive PCI DSS controls including network segmentation, encryption at rest and in transit, access controls, vulnerability management, and regular security audits. Our team follows PCI DSS guidelines throughout the entire development lifecycle.

Can you integrate with existing banking systems and APIs?

Yes, we have extensive experience integrating with core banking systems, payment gateways (Stripe, Plaid, Adyen), and open banking APIs. We ensure seamless data flow while maintaining security and compliance.

What fraud prevention measures do you implement?

We implement multi-layered fraud prevention including machine learning-based anomaly detection, device fingerprinting, behavioral analysis, transaction monitoring, and real-time risk scoring systems.

How long does it take to develop a fintech application?

Development timelines vary based on complexity. Simple payment apps take 3-5 months, digital wallets 5-8 months, while comprehensive banking platforms can take 10-16 months. We provide detailed timelines during planning.

Ready to Transform Financial Services?

Let's discuss your fintech vision and create a secure, compliant solution that revolutionizes how people manage money.