AWS Cloud Architecture
for Financial Application

Scalable and secure cloud infrastructure to handle increasing transaction volumes

Cloud: AWS

Responsibility: Project Delivery

Challenge

A prominent fintech company in India approached firecaat to modernize their infrastructure. The company faced several challenges, including limited scalability to handle growing customer demands, concerns over data security and compliance, high operational costs, and inefficient deployment and management of applications. Additionally, they lacked the ability to process data in real-time, hindering decision-making.

Solution

Firecaat designed and implemented a comprehensive AWS-based solution to address the company's challenges. They hosted static content on Amazon S3 with CloudFront for faster delivery and protected against layer 7 attacks using AWS WAF v2. Federated authentication from Active Directory to AWS was enabled via Amazon Cognito, while AWS API Gateway managed APIs securely at scale. Backend services were deployed on ECS Fargate with a Network Load Balancer, and EC2 instances were used in private VPC subnets for secure custom services. Data management included RDS/Aurora with encryption, AWS ElastiCache for in-memory storage, and AWS MSK for real-time data ingestion. Security was strengthened with AWS Security Hub, GuardDuty, Inspector, and Secrets Manager for credential management. Enhanced CloudWatch logging and alerting improved monitoring and performance tracking.

Results

The new AWS infrastructure delivered significant benefits, including enhanced scalability to handle increased transaction volumes, improved security measures for financial data protection, and reduced operational costs. Real-time data processing capabilities enabled better decision-making, while streamlined CI/CD processes accelerated deployment times. The multi-region setup ensured high availability and minimal downtime, improving overall business continuity and security posture.

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