A FinTech SaaS platform needed a robust, cost-efficient backend API capable of handling high transaction volumes with strict reliability and security requirements.
I designed and deployed a fully serverless architecture on AWS using Lambda, API Gateway, and Kinesis for event streaming. Built the core transaction processing logic in Node.js with TypeScript, integrated with MongoDB for persistence, and set up automated CI/CD pipelines for zero-downtime deployments

0 likes · 0 views · Oct 21, 2026
A FinTech SaaS platform needed a robust, cost-efficient backend API capable of handling high transaction volumes with strict reliability and security require...