Building an ML-Powered Notification Routing Engine on AWS
Most applications send notifications using static schedules. The problem is that users have different engagement patterns. A notification sent at the …
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Sending SMS from AWS Lambda with the Sinch SDK
Your payment just failed. The user needs to know before they try to check out again. Your deployment pipeline just finished. The engineer who kicked i…
I got tired of waiting for deploys, so I built a local Lambda runner
There's a specific kind of frustration that comes from iterating on Lambda code. You change one line. You run cdk deploy . You watch the CloudFormatio…
Tossed The T.V. but Kept the Remote? Here's how to NOT generate more E-Waste.
This is a submission for the GitHub Finish-Up-A-Thon Challenge Link to the Repo So what is this? Doesn't look like an API 👁️👁️ Tossed The TV Kept the …
I Built pretext-pdf: Serverless PDFs Without Chromium
I Built pretext-pdf: Serverless PDFs Without Chromium I got frustrated with PDF generation in Node.js. Every tool had trade-offs, and none of them fel…
Why I Built MentionFox Instead of Just Using Mention.com
Most founders who build a competitor to an existing tool do it because they couldn't afford the original. That wasn't my situation. I was paying for M…
Cold Starts in Serverless
The Great Serverless Pause: Battling the "Cold Start" Beast Ever ordered a pizza and it took ages to arrive, leaving you ravenous and staring at an em…
Why AI Image Generation Should Be Async
AI image generation can look like a simple request-response feature. A user enters a prompt, clicks generate, and waits for an image. For a prototype,…
A Scaling Lesson Building Production-Grade Agentic AI Systems
A Scaling Lesson Building Production-Grade Agentic AI Systems One of the early observations we had while designing enterprise AI agents was this: Givi…
Operational Hardening — Guardrails, Secrets Rotation & SLO — FSx ONTAP S3AP Phase 12
TL;DR Phase 12 hardens the Phase 11 event-driven pipeline for production: capacity guardrails, automated secrets rotation, SLO observability, and Pers…
Why Your FSx for ONTAP Audit Logs Deserve Better Than EC2
TL;DR FSx for ONTAP file access audit logs are usually consumed through EC2-based patterns — mounted audit volumes and agent-based forwarders such as …
I Spent 6 Hours Debugging AWS Before Realising the Bug Was a Capital Letter
I stared at my screen for 6 hours. The API kept returning 404. I checked the Lambda code line by line. I tested the DynamoDB table. I redeployed the A…
How I Locked Down a Static Site with Lambda@Edge and Cognito (No Backend Required)
Your internal docs are wide open. That Docusaurus site you deployed to S3? The one with your API specs, runbooks, onboarding guides? Anyone with the U…
How I Wired Claude AI into My SaaS and What Actually Worked vs. What Was Just Hype
I built shadibiodata.com — a marriage biodata maker for Indian families. This isn't a post about the product. It's about the specific technical decisi…
We Built a Poor Man’s o1 on AWS for $0.25 – And You Can Too
I remember the first time I tried OpenAI’s o1. I asked it a gnarly infrastructure question: “Design a multi‑region, strongly consistent queue that sur…
Serverless Workflow Decomposition: When a Step Function Becomes a Monolith
There is a point in many serverless platforms where a Step Functions workflow that once felt elegant starts to feel like a mini application platform o…