That's not how you frame it. You don't say simple, you say efficient. "I built a highly efficient system to do X that required only $$$ in monthly cloud spend a

That's not how you frame it. You don't say simple, you say efficient. "I built a highly efficient system to do X that required only $$$ in monthly cloud spend and handled NN operations per second..." You can also point out how fast you built it, since simpler systems often take less time.