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Your next engineering level may depend less on code than influence. 🔸 TLDR You can become a strong Software Engineer through technical excellence. But moving toward Staff, Principal or Architect usually requires something more: the ability to communicate, influence, align people and...

Mocking repositories isn’t testing your database. Here’s what is. 🔸 TLDR ▪️ Unit tests are great for independent business logic. ▪️ Mocking repositories mostly tests interactions, not SQL behavior. ▪️ Integration tests validate the real database interaction. ▪️ Prefer the same database...

Want to build a stateful AI workflow in Java instead of hiding everything behind one giant prompt? Meet LangGraph4j. 🔸 TLDR LangGraph4j brings graph-based agent orchestration to Java. Think: STATE → NODE → DECISION → NODE → ... → END Instead of letting an LLM control everything,...