From Pet Projects to Engineering Playgrounds: Learning Real-World Constraints

Java is used in enterprise domains such as banking and telecom. In vacancies for Java Software Engineers, companies often require experience with performance issues, concurrency issues, scalability, maintainability, and availability.

I have encountered a problem: it is difficult to choose a pet project. On one hand, I cannot build a new bank-level system. On the other hand, if I choose a simple project, I will not encounter performance issues or similar challenges.

So I think I should create a playground instead of a complete project — a set of projects focused on specific cases and engineering problems. The problem is that this is not an end-to-end project. (not shippable product) You cannot really ship such a project.

What is your opinion?

What do I have to do to become a Senior Java Developer and get a remote job?

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