Ewen Quimerc'h

LCL — Digital Banking Platform

Comprehensive digital banking platform for LCL (Le Crédit Lyonnais) featuring modern financial services, enhanced security, and exceptional customer experience.

LCL — Digital Banking Platform

Comprehensive digital banking platform for LCL (Le Crédit Lyonnais) featuring modern financial services, enhanced security, and exceptional customer experience.

LCL — Digital Banking Platform

Comprehensive digital banking platform development for LCL (Le Crédit Lyonnais), one of France’s leading banks. The project focuses on modernizing financial services infrastructure while maintaining the highest standards of security and regulatory compliance.

Project Scope

  • Customer Portal: Modern web and mobile banking interface for retail customers
  • Business Banking: Comprehensive solutions for corporate and SME clients
  • Payment Processing: Real-time payment systems with multi-currency support
  • Account Management: Advanced account services and transaction monitoring
  • Compliance Dashboard: Regulatory reporting and audit trail systems

Technical Architecture

  • Backend Services: NestJS microservices architecture with TypeScript
  • API Gateway: Fastify-based high-performance API layer
  • Frontend: React-based responsive web application
  • Security: Multi-factor authentication and end-to-end encryption
  • Database: PostgreSQL with Redis caching for optimal performance
  • Infrastructure: Kubernetes deployment on secure cloud infrastructure

Key Features Delivered

  • Real-time Transactions: Instant payment processing with sub-second response times
  • Advanced Security: Biometric authentication and fraud detection systems
  • Regulatory Compliance: Full GDPR, PCI DSS, and banking regulation adherence
  • Multi-channel Experience: Seamless experience across web, mobile, and tablet
  • API Integration: Secure APIs for third-party financial service providers

Performance Achievements

  • Transaction Speed: 99.9% of transactions processed under 500ms
  • System Availability: 99.99% uptime with zero security incidents
  • User Adoption: 85% customer satisfaction rate in beta testing
  • Scalability: System handles 100,000+ concurrent users during peak hours

Technologies Used

  • Backend: NestJS, TypeScript, Fastify, Node.js
  • Frontend: React, TypeScript, Material-UI, Redux Toolkit
  • Database: PostgreSQL, Redis, MongoDB (for analytics)
  • Security: OAuth 2.0, JWT, AES-256 encryption, HSM integration
  • Infrastructure: Kubernetes, Docker, Azure Cloud Services
  • Monitoring: Prometheus, Grafana, ELK Stack, Sentry
  • Testing: Jest, Cypress, K6 for load testing