Look beyond specific programming languages. Learn computer science theory and the basic concepts that underly everything we do. If you're good with this you can

Look beyond specific programming languages. Learn computer science theory and the basic concepts that underly everything we do. If you're good with this you can pick up any new programming language or framework in the order of a few days. Look beyond programming. There's many other intellectually and financially rewarding pursuits that just writing code. A few examples: research, project management, business development, teaching, and writing. All of these can build on your experience to date.