There is a thing "Jack of One, Master in Many" this term is a definition for a T-Shape programmer. In simple terms, A person who knows many technologies and is hands-on with a skill. In the industrial area, we have to work on real-time live projects. So accordingly to the skillset, each team member in a team has to do a specific task. All members specifically contribute to a particular part of a project. All members give their best for that particular part because they get hands-on with that part or skill. So the finishing of the project is more appreciable than the team which contains people who are jacks of many but not masters even in one programming language. That's the reason companies hired t-shape programmers.

If you want to become a T-Shape programmer, deep dive into yourself just check out what type of skill will give you more satisfaction. And after searching if you are successful in what is beneficial to you then go with a proper roadmap. Simultaneously also looks at other technologies.