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Home > Getting the Interview and Job > Beyond the Interview > Understanding Software Engineer Levels and Titles (L3–L7, IC vs EM)

L4: Mid-Level Engineer

You deliver end-to-end within a team, and you reduce load on seniors.

  • scope: a component or small service.
  • autonomy: takes loosely defined tasks to done.
  • ambiguity: moderate; clarifies requirements with PM/Design.
  • influence: within your squad; mentors L3s informally.

Great L4s turn product ideas into technical plans, write solid RFCs, and quietly keep the backlog honest.

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