Prepare for a technical interview with evidence

Turn a job description into a focused practice plan and explain your work clearly.

Start with the actual role

Read the responsibilities and required skills separately. Mark which requirements you have demonstrated at work, which you have demonstrated in a project, and which you have not used yet. Prepare a truthful example for each important requirement instead of memorizing a generic answer.

If a requirement is unclear, write a question for the recruiter. For example: Is this role mainly maintaining an existing Java service, or building a new service? That answer changes what you should practice.

Explain decisions, not just the finished feature

Choose two projects you know well. For each, describe the problem, your own contribution, a constraint, the decision you made, and the result. Separate what you personally built from what your team built. Mention a limitation and how you would improve it.

For a coding exercise, clarify inputs, edge cases and expected behavior before writing code. Start with a correct approach, test a small example, and discuss its time and space costs. Explain tradeoffs as you go.

Practice under realistic conditions

Spend a short session solving a representative problem without looking at an answer. Then inspect your errors and explain the solution aloud. Review the concept that caused the mistake before attempting another problem.

Unproctored practice scores show practice performance, not verified professional competence. Use them to find topics to revisit. Keep examples of tests, code reviews and project decisions alongside your score.

Finish with useful questions

Ask what success looks like in the first three months, how work is reviewed, and where the team currently struggles. Confirm the next step and timeline. A clear conversation helps both sides assess whether the role is a good fit.