Contexte / Context

Development of an innovative digital payment system for SNCF, aiming to modernize payment infrastructure with a serverless architecture on AWS. The project uses cloud-native technologies to ensure scalability, availability and performance while reducing operational costs.

Responsabilités / Responsibilities

• Angular features development (reusable components, routing, services)

• Spring Boot REST APIs development for payment flows

• AWS Lambda functions architecture and development (Node.js)

• API Gateway, IAM and security policies configuration

• Infrastructure as code management with Terraform (IaC)

• PostgreSQL, S3 and CloudWatch monitoring integration

• GitLab CI/CD pipeline setup with blue-green deployments

• OAuth2/JWT security and automated testing

Livrables / Deliverables

• Angular interfaces with reusable components and optimized routing

• Serverless REST APIs (AWS Lambda + API Gateway)

• Terraform infrastructure (IaC) for multi-region environments

• CI/CD pipeline with automated tests and blue-green deployments

• CloudWatch monitoring system with alerts

• Technical documentation and serverless architecture patterns

• OAuth2/JWT modules for authentication and authorization

Résultats / Outcomes

• Scalability: Auto-scalable serverless architecture handling load spikes

• Performance: Optimized response time with Lambda and API Gateway

• Optimized costs: Pay-per-use model reducing infrastructure costs

• Fast deployments: Terraform IaC enabling reproducible deployments

• Monitoring: Real-time CloudWatch monitoring for proactive detection

• Security: OAuth2/JWT and IAM ensuring granular access control