Ajith Manmadhan
Staff software engineer. Backend systems on AWS, built with AI.
Projects
- Coastal Flood Days2026
How many hours a year US coastal towns flood, worked out from 40 years of NOAA tide data.
- Trust-Nothing Data Pipeline2026
Lets customers run their own code on your platform, sealed off so it can’t touch anything else.
- Async Trace Propagation2026
Follows one request through a system, even across a message queue, so you can see where time goes.
- MeterFlow2026
Bills customers for exactly what they use, like a utility meter for software, with fraud checks built in.
- Claude Session Viewer2026
A small dashboard for finding and picking up past Claude Code conversations.
- Webhook Broker2026
Keeps every incoming payment notification so any of them can be replayed if something goes wrong.
- AI Customer Retention Agent2025
An AI agent that spots customers about to cancel and talks with them about a better offer.
Writing
- NOAA Counts Flood Days. I Counted the Hours.2026
- Running Untrusted Code on AWS Lambda MicroVMs2026
- Async Tracing on AWS Lambda: Carrying Context Across SQS with OpenTelemetry2026
- When Stripe's Built-In Dunning Isn't Enough2026
- AWS DevOps Agent: From Setup to First Real Investigation (And the Gotchas in Between)2026
Certifications
- AWS Community Builder2026
- AWS Certified Solutions Architect – Associate2025
- AWS Certified Developer – Associate2025
- Stripe Certified Associate Architect2026
- AWS Certified Data Engineer – AssociateIn progress
Away from the keyboard
Training Wing Chun three evenings a week. Usually halfway through a book.
The line on the left is the centerline from Wing Chun. Run your cursor across it.