#aws#python#data#serverless
NOAA Counts Flood Days. I Counted the Hours.
What this is: a dataset and a site measuring how long US coastal floods last, not just how often they...
ajithmanmu7 min read
Articles by @ajithmanmu
Browse the latest writing surfaced through DevArt.
ajithmanmu7 min read
#aws#security#serverless#lambda
Running Untrusted Code on AWS Lambda MicroVMs
A malware scanner won't flag this code: def transform(df): import os os.system("rm -rf...
ajithmanmu5 min read
#aws#opentelemetry#serverless#observability
Async Tracing on AWS Lambda: Carrying Context Across SQS with OpenTelemetry
Tracing synchronous services is mostly a solved problem. Call a downstream service, the SDK injects...
ajithmanmu7 min read
#aws#stripe#serverless#webdev
When Stripe's Built-In Dunning Isn't Enough
When Stripe's Built-In Dunning Isn't Enough Every subscription business eventually hits...
ajithmanmu8 min read
#aws#devops#ai#cloudwatch
AWS DevOps Agent: From Setup to First Real Investigation (And the Gotchas in Between)
When an alert fires at 2am, the first 15 minutes aren't spent fixing anything. They're spent...
ajithmanmu7 min read
#typescript#billing#aws#redis
I Built a Usage-Based Billing Engine From Scratch — Here's How It Works
I spent the last few weeks building MeterFlow — a usage-based billing engine that handles event...
ajithmanmu7 min read
#aws#webdev#stripe#eventdriven
Building a Webhook Replay System with AWS Kinesis
The Problem Payment webhooks from Stripe, Apple, and Google are revenue-critical, but...
ajithmanmu3 min read
#architecture#aws#systemdesign
What the AWS us-east-1 Outage Taught Me About Building Resilient Systems
AWS us-east-1 will go down again. When it does, will your system survive? This past weekend, I built...
ajithmanmu4 min read
#aws#ai#agents#portfolio
How I Built an Autonomous AI Customer Retention Agent with AWS Bedrock AgentCore
Built for the AWS AI Agent Global Hackathon Introduction After building a serverless...
ajithmanmu9 min read
#aws#cloud#programming#learning
How I Built a Serverless Data Analytics Pipeline for Customer Churn with S3, Glue, Athena, and QuickSight
I wanted to explore how AWS services can be combined into a simple data pipeline that not only...
ajithmanmu3 min read
#aws#buildinpublic#cloud#webdev
How I Built a Secure Serverless Orders Pipeline with Lambda, SNS, and SQS
After finishing my 3-tier web app project on AWS, I wanted my next portfolio project to be something...
ajithmanmu3 min read
#aws#buildinpublic#programming#webdev
Hands-On with AWS: Building and Securing a 3-Tier Web App
Building a Secure 3-Tier Application on AWS I recently worked on a portfolio project where...
ajithmanmu3 min read
#programming#algorithms#leetcode#learning
Solving Flood Fill - LeetCode problem
Originally published on my Hashnode blog — cross-posted here for the Dev.to community. In this...
ajithmanmu2 min read
#datastructures#algorithms#learning#leetcode
Solving Balanced Binary Tree - Leetcode problem
Originally published on my Hashnode blog — cross-posted here for the Dev.to community. In the...
ajithmanmu2 min read
#webdev#javascript#programming#learning
Solving the JavaScript Execution Order Challenge
Originally published on my Hashnode blog — cross-posted here for the Dev.to community. In...
ajithmanmu2 min read
#webdev#aws#buildinpublic#learning
Putting AWS Skills to Work: Building an AB Testing Tracker
Intro Over the last few weeks, I’ve been working on projects that combine my AWS learning...
ajithmanmu2 min readAdvertisement