Case Study

Achieved Up to 90% Cost Savings by Utilizing Spot Instances for 67+ Microservices for a FinTech Company

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Industry 

FinTech

Expertise 

Amazon EC2, Amazon ECS, AWS Lambda, AWS CloudFormation, AWS IAM

Offerings/solutions 

Reduced application latency and improved performance significantly.

About the Client

The client is a technology-led non-banking financial fintech company in India. They offer consumer loans, business loans, corporate loans, and asset management services. Their focus is on accelerating India’s credit growth story through innovative solutions. They are backed by its Global MNC parent, committed to driving India’s credit growth. It is creating a Technology-Led Neo-Lending Conglomerate. Across its verticals, it provides tailored solutions to address the credit requirements of Individuals, SMEs, FinTechs, and NBFCs.

Highlights

90%

Cost Savings

900+

AWS Lambda Functions Deployed

3000+

AWS CloudFormation Stacks Deployed

The Challenge

The client struggled with downtime and disruptions during migration, requiring phased, off-peak scheduling. Ensuring data integrity and performance through testing and updating IAM roles for security compliance is crucial. Managing costs and using automation tools like AWS CloudFormation simplifies the migration process.

Solutions

• Established a CI/CD pipeline for automating updates on ECS and EC2.
• Automated resource creation and deployments with AWS CloudFormation to reduce manual work.
• Deployed 67 microservices using Ubuntu 22 CIS AMI.
• Deployed over 500 Lambda functions within VPCs for enhanced security.
• Optimized CloudFormation templates with a nested stack approach.
• Set up an EC2 Image Builder pipeline with Lambda for consistent AMI deployment.
• Used Spot Instances and CloudFormation to optimize costs for microservices.
• Deployed over 3,000 stacks for efficient and coordinated deployments.

The Results

Met Indian data compliance, cut latency, handled 1,300+ parameters, deployed 900+ Lambdas, saved 90% with Spot Instances, ensured backups, and migrated 3,000+ stacks.

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