Software Engineering Practices (That Interviewers Notice)

Strong candidates write code that is correct and maintainable under change.

Practices that transfer to interviews

• Name things clearly
• Keep functions small with single responsibility
• Validate inputs and handle errors explicitly
• Write small tests / examples for edge cases

Testing mindset

In interviews, you usually can’t write full test suites, but you can show the mindset:

• boundary cases
• invariants
• “what could go wrong in production?”

Debugging approach

1. Reproduce with smallest case
2. Form a hypothesis
3. Add one probe/log/print to confirm or refute
4. Fix + prevent (guardrail)

Common failure modes

• Overengineering (patterns before problems)
• No error handling (happy path only)
• Inconsistent naming and messy control flow