Sean Voisen recommends to not stick to a particular technology:
Lose the label and become T-shaped. Stay curious. Keep learning. Go deep in a specific technology or framework or programming language, but develop breadth in adjacent technologies that will help inform your work and develop new perspectives.
Coincidentally, Jonathan Snook posted similar advice this week, in Shifting identifies.
Hidde de Vries (@hdv@front-end.social) is a web enthusiast from Rotterdam, The Netherlands. He currently works on accessibility standards for the Dutch government (views his own) and is in the W3C's AB. Previously, he worked for Mozilla, W3C/WAI, national and local governments, Sanoma Learning and others as a freelancer. Hidde is a public speaker (all 81 talks). In his free time, he works on a coffee table book covering the video conferencing apps of our decade.