Free AI Mock Interview Practice: Coding, System Design and Projects

Practice the full technical loop

The interview workspace covers coding, system design, project depth, behavioral, and role-specific technical rounds.

Feedback that turns into a plan

After the interview, the report focuses on score, gaps, best-response feedback, and next preparation actions.

What happens in a coding mock round?

A coding mock can ask the candidate to solve a function, run tests, explain edge cases, and defend time and space complexity.

System design round example

A design mock can ask for APIs, entities, storage choices, scaling constraints, and reliability tradeoffs for a realistic product workflow.

What do project deep-dive and behavioral rounds check?

Project deep-dive rounds check whether resume claims are defendable. The strongest answers explain ownership, tradeoffs, debugging, and business impact.

Voice and communication feedback

Many strong candidates lose signal because answers are unstructured. Voice practice helps candidates speak in a clear order: clarify the problem, state the approach, explain tradeoffs, then summarize the result.

Rubric used for stronger preparation

A useful mock score should be explainable. Candidates need to know whether the issue was correctness, reasoning, complexity, edge cases, project depth, or communication, because each gap requires a different fix.

What should you do before your first mock interview?

Before starting a full mock, candidates should pick a target role, score the resume against a JD, mark risky projects, and decide which round is most likely next. That makes the mock realistic instead of random.

Data-role mock interview path

For data roles, mock practice should cover SQL reasoning, metric definitions, dashboard tradeoffs, pipeline reliability, and project explanation. That prevents data candidates from practicing only generic DSA questions when the role needs applied analytics proof.

What should you do after a mock interview?

A good mock should produce a short improvement loop: fix the weakest answer, revise the related resume bullet if needed, practice one harder follow-up, and update your study plan before the next attempt.

Use resume context inside practice

The strongest mock interviews reuse the candidate's resume claims and target JD. That makes project questions, coding prompts, and system design follow-ups feel closer to the actual interview instead of generic practice.

Can I practice coding rounds?

Yes. Coding rounds include prompts, boilerplate, tests, doubts, and AI review.

Does it support system design?

Yes. The workspace supports system design practice with architecture context and review.

Do I get feedback if I stop the interview?

Yes. The flow is designed to generate final feedback from the work completed so far.

Is the AI mock interview free?

Yes — you get free mock interviews to try it, with more per month on paid plans and unlimited mocks on Elite.

What types of interviews can I practice?

Coding and DSA rounds with a compiler, system design on a whiteboard, project deep-dives, and behavioral rounds — with voice-based practice so you rehearse speaking your answers, not just typing them.

How realistic is an AI mock interview?

Questions adapt to your target role and resume, arrive one at a time like a real interview, and the feedback is scored against a rubric covering correctness, communication, edge cases, and design reasoning.

How should I prepare for a technical interview?

Practice the actual rounds you'll face, review the rubric feedback after each mock, close your weakest gaps, and repeat until you can explain your reasoning out loud calmly.