blog/ssue

How Swiggy, Airbnb, PhonePe, and Nubank ship UI changes without waiting for app store approval — and how I built a working BDUI + OTA system in React Native with Cloudflare Workers and EAS.

Dissecting the April 2026 Vercel breach — from infostealer malware to OAuth hijack to customer data exposure. Full kill chain, trust lessons, and survival guide.

How we built a production fair-value calculator on top of Dhan—Black-Scholes, cost of carry, live depth, and mispricing signals—for Saras and NSE F&O.

How we built an end-to-end automated prop trading system at Saras — from ingesting 400+ daily trade ideas to live execution on Dhan, with a set of novel metrics that actually generate profits.

How we built an agentic pipeline at Saras to scrape public macro and trade intelligence, dedupe at scale, enrich with structured AI, and ship a trader-facing brief—plus why Scrapling’s StealthyFetcher sits in the hot path.

Exploring how modern data systems separate storage and compute, with a hands-on implementation of a memory engine that works on object stores like S3.