Originally published on AI Tech Connect.
What you need to know Infrastructure companies sell the substrate, not the feature. If the invoice is denominated in GPU-hours, tokens or requests rather than seats, the hiring rubric changes underneath you. The rubric is unusually stable. Prompting fashions turn over every few months; memory bandwidth, queueing theory and the cost of a cache miss do not. Skills learned here keep paying. App-layer proof of work reads as off-target. A beautifully engineered retrieval chatbot answers a question the interviewer is not asking. Measurement work answers the one they are. Bandwidth, not FLOPS, is usually the binding constraint in decode. Candidates who reason from the memory hierarchy outperform candidates who reason from teraflops. Only one of the seven roles needs CUDA. The other six reward…
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