Tag: interview

All the articles with the tag "interview".

• Java Interview Prep #4: Database & SQL — Junior to Senior

  Published: 10 Aug, 2026 |  at  10:15 AM

  The database layer decides real-world scale. Senior candidates must speak fluently about indexing, transaction isolation, connection pooling, and the ORM trap.

• Java Interview Prep #6: Microservices — Junior to Senior

  Published: 10 Aug, 2026 |  at  10:10 AM

  Microservices at senior level is mostly about knowing when NOT to use them — resilience patterns, service communication, and distributed transactions.

• Java Interview Prep #2: OOP & Design Principles — Junior to Senior

  Published: 10 Aug, 2026 |  at  10:05 AM

  OOP at the senior level is applied SOLID, composition over inheritance, and interface design at scale — not reciting definitions. Junior names the principles; senior shows where each one costs you.

• Java Interview Prep #1: Java Core (JVM, GC, Concurrency) — Junior to Senior

  Published: 10 Aug, 2026 |  at  10:00 AM

  The spine of every Java interview — JVM memory, garbage collection, the JMM, and concurrency. Junior recites; senior proves they've debugged a production OutOfMemoryError.