DJDeepak Jaininmarkdownsimplified.hashnode.dev·Aug 7 · 5 min readBeyond Prompts: How Agentic AI Actually Works (Especially for Coding)A developer once handed an AI agent a single-line instruction — "fix the failing tests" — and walked away for coffee. Ten minutes later, the agent had rewritten half the test suite, "fixed" it by dele00
DJDeepak Jaininmarkdownsimplified.hashnode.dev·Aug 1 · 4 min readThe Real Cost Table: 10 Prompt Patterns That Are Secretly ExpensiveMost people blame the model when their AI bill creeps up. It's rarely the model. It's usually one of a small set of habits — vague scope, re-explaining things the model already has, correcting in piec00
DJDeepak Jaininmarkdownsimplified.hashnode.dev·Jul 27 · 4 min readTwo Prompting Modes: Explorer vs. ExecutorA few weeks ago I watched two developers use the same AI agent, on the same day, with completely different results. One spent twenty minutes going back and forth — "no, not like that," "actually can y00
DJDeepak Jaininmarkdownsimplified.hashnode.dev·Jul 24 · 4 min readWhy Your AI Costs More Than It ShouldTwo developers ask an AI agent to do the exact same task. One spends four back-and-forth messages fixing small misunderstandings. The other writes one detailed prompt upfront. Same outcome, same model00
DJDeepak Jaininmarkdownsimplified.hashnode.dev·Jul 23 · 5 min readSystem Design for Mobile Developers: What It Means for Your CareerIf you've followed along, you've now seen six concrete examples of system design decisions made inside a mobile app. This last post isn't going to introduce a new pattern. It's going to connect the do00
