I’m less insecure about my career Those of us who write code are an insecure bunch. Technology moves faster than any one human being can keep up. The threat of falling behind is real and can impact careers and earnings, and that’s a terrifying thing. I studied a lot of tech concepts in my free time to try to stay relevant. I have a Kubernetes cluster sitting in my living room that, looking back, exists only because of a misprediction that I would need to know Kubernetes to stay employable.