It's a Recommended skills Roadmap for any Developer ( .NET, JAVA, Front End, Full-stack, Mobile developer and Cross-platform mobile developer ).
We explain to you the needed skills that you should have as a software developer.
It's divided into 4 main key skills:

• 1st Key in a conceptual phase.

• 2nd Key in design concepts and principles.

• 3rd Key in the development phase.

• 4th Key problem-solving.

To conclude all of these resources, we draw for you some of supporting material in links leads you for a series of free courses, books, articles or free certificates to be verified in each skill.