TonyBai

Apr 1, 2026 · Backend Development

How a $400 AI‑Driven Rewrite of JSONata Saved $500K in Kubernetes Costs

Using AI agents, an engineer rewrote the JavaScript‑based JSONata engine in Go within a day for $400 in token fees, cutting a Kubernetes‑hosted service’s annual cost from $500,000 to zero and delivering up to 1,500× performance gains, while outlining the step‑by‑step AI‑driven refactoring process.