Interview prep
Software Engineer interview questions
Software engineer interviews test coding, system design and how you collaborate. Expect one hands-on problem, one design or scenario question, and behavioral rounds.
🎤 Practice these out loud with AceCoach →The questions
Reverse a linked list and explain the trade-offs of iterative vs recursive. Coding
How to answerState approach → dry-run an example → code → analyze time/space → mention edge cases (empty, single node).
Design a URL shortener like bit.ly. System design
How to answerClarify scale → API → data model (hash/counter) → storage → caching → collisions → analytics. Narrate trade-offs.
Tell me about a time you shipped under a tight deadline. Behavioral
How to answerSTAR: one-line situation, your specific task, the actions YOU took, a quantified result.
How do you decide between adding a feature and paying down tech debt? Judgment
How to answerFrame the cost of delay vs risk; tie to user impact and team velocity; give a concrete example.
Walk me through debugging a production outage. Scenario
How to answerReproduce → isolate (logs, metrics, recent deploys) → mitigate first → root-cause → prevent (test, alert).
How do you use AI tools in your workflow, and where do you NOT trust them? 2026
How to answerName a real workflow, a failure you caught, and your verification habit. Show judgment, not hype.
What software engineers are tested on
Data structuresAlgorithmsSystem designAPIsTestingGitOne language deeply (Python/Java/Go/JS)
Frameworks are guidance, not scripts — the point is to make the answers your own. All roles →