PDPratham Dharawatinpratham074.hashnode.dev·2m ago · 24 min readWhen Notifications Are a Legal Obligation: The Architecture Behind Rule-Driven Event Pipelines Across Three Regulated ProductsIn most systems, a notification is a convenience. It tells you something happened. If it arrives late, or not at all, the user refreshes the page and moves on. That is not the class of problem I was s00
AJAlen Joyinpragmaticstack.in·6h ago · 14 min readThe Intern with a Refund Button: Designing a Customer Support Agent at Scale🗓️ Last updated: June 2026 Every company with a support queue is being told the same thing by the same deck: replace the chatbot with an LLM and watch your ticket volume melt. The demo is glorious. 00
PKPrateek Kumarinprateekkumarhashnodedev.hashnode.dev·15h ago · 11 min readHow we stopped double-charges across 4 payment gateways with idempotent sagas1. The hook A double-charge is not a bug. It's a refund, a furious customer, a chargeback fee, and a small permanent dent in the one thing a checkout flow exists to earn: trust that the money will mov00
SGSergio González Téllezinevankhandev.hashnode.dev·11h ago · 2 min readWhy do some systems generate increasingly large amounts of information, but not necessarily better decisions?SEED-002 PROBLEM Why do some systems generate increasingly large amounts of information, but not necessarily better decisions? INSIGHT Transforming state and selecting state are different operations. 00
PKPatrick Kearnsindotnetdigest.com·3d ago · 14 min readCache Lines: The Invisible Boundary Your .NET Code Keeps CrossingYou often find that a performance problem in .NET is not caused by one dramatic mistake. It usually come from a small, ordinary decision repeated millions of times. One of those decisions is how your 20
PKPatrick Kearnsindotnetdigest.com·2d ago · 11 min readBuilding a Bytecode VM in C#A bytecode VM sounds like something that belongs inside a language runtime, a game engine, or a browser. But the basic idea is much smaller than it looks. You define a small set of instructions. You s00
TCThankGod Chibugwum Oboboinactocodes.hashnode.dev·1d ago · 8 min readThe Blueprint for 2026: Why Architecture Must Precede Automation2026 has brought no shortage of automation tooling, AI coding agents that scaffold entire features, CI/CD pipelines that deploy on every commit, and infrastructure-as-code platforms that provision env00
SGSergio González Téllezinevankhandev.hashnode.dev·2d ago · 2 min readWhy can the same code produce different behaviors even when not a single line has changed?SEED-001 PROBLEMWhy can the same code produce different behaviors even when not a single line has changed? INSIGHTA function does not execute values directly; it executes names that must be resolved w00
CVChris Vestersincvesters.hashnode.dev·2d ago · 6 min readThird Party AuthenticationIn the previous blog post, we discussed whether or not you should offer a separate public API. One of the points there was how you do the authentication, and whether that should be done in a separate 00
AOAdekola Olawaleinadekolaolawale.hashnode.dev·2d ago · 8 min readPart 6: Frontend Architecture Patterns Every Senior Engineer Should KnowMost frontend developers spend their careers learning frameworks. React. Angular. Vue. Svelte. And while frameworks are important, they are not what separates a mid-level developer from a senior engin00