Writing

Deep dives and build logs from the things I ship — serverless architecture, payment systems, and backend engineering.

• Jul 12, 2026 /

  Cloudflare Serverless TypeScript Architecture

  Why I Built a Real-Time Stock Engine for $0/Month Using Cloudflare Workers

  How I used Cloudflare's edge compute, D1, and KV to run a live NEPSE alert engine — Telegram bot, portfolio tracking, and a technical screener — with no servers to maintain and no monthly bill.

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• Jul 10, 2026 /

  Cloudflare Serverless Cron TypeScript

  Overcoming Rate-Limiting and Cron Restrictions in Serverless Financial Trackers

  NEPSE has no public API and doesn't love being polled. Here's how I use Cloudflare Cron Triggers aligned to market hours to fetch data efficiently — without IP blocks or runaway CPU.

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• Jul 8, 2026 /

  Cloudflare Telegram Serverless TypeScript

  Designing Asynchronous Notification Workers via Web Crypto and Telegram APIs

  How the NEPSE Alert notification layer runs inside a stateless Cloudflare Worker — verifying Telegram webhooks with a secret token, keeping the response fast, and pushing alerts asynchronously.

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