Dr. Vinay Kumar Yadav.

Blog

Notes on product, architecture, and building solo

Shorter and rawer than the case studies — written as things happen, not polished after the fact.

Topics

Everything here maps back to one of five pillars — from problem framing to the decisions I'd make differently next time.

01

Product Thinking

Problem DiscoveryMVP ScopingPRD WritingMetrics & Success CriteriaGo-to-Market
02

System Design

API DesignDatabase SchemaAuthenticationCaching & PerformanceScalability Trade-offs
03

AI Engineering

Prompt EngineeringRAG PipelinesAgents & Tool UseEvaluation & GuardrailsCost Optimization
04

Shipping & Scaling

DeploymentMonitoringUser Feedback LoopsIteration CyclesGrowth Levers
05

Decision Journal

Why This Stack?Trade-offs I MadeMistakes & FixesWhat I'd Do Differently