How to Use Claude for Interview Prep

Claude can act as an interviewer, a coach, or a feedback partner for interview preparation. It generates role-specific behavioral and technical questions, evaluates your answers against what the role is actually looking for, and suggests improvements to structure, specificity, and delivery. The key is a clear brief: give Claude the job description, the company context, and the format of the interview, and it will produce much more relevant practice than a generic question list.

Preparation that builds on itself — where you remember what feedback you got yesterday and what still needs work — is far more effective than starting fresh each session. Tools like fenbs help by keeping your practice plan and lessons between sessions so each new conversation picks up from where you actually are.

Step 1: Build your preparation brief

Before starting a mock session, give Claude the information it needs to ask the right questions. Paste the full job description, note the company's sector and size, and tell Claude what format the interview takes — behavioral, technical, case study, panel. If you know who will be interviewing you (an HR screener, a hiring manager, a peer from the team), say so.

Also tell Claude which of your experiences you want to draw on. A story about leading a project is more useful than a vague claim about leadership skills. Give Claude two or three strong examples from your career and ask it to help you shape them into STAR format (Situation, Task, Action, Result) answers.

Step 2: Run a mock interview

1. Ask Claude to take the role of the interviewer and ask questions one at a time, waiting for your answer before asking the next.
2. Answer each question as you would in the real interview — write in full sentences, not bullet notes.
3. After each answer, ask Claude to give structured feedback: what was strong, what was vague, what was missing, and what a stronger version of the answer would include.
4. Revise the answer using the feedback, then ask Claude to rate the revised version.
5. After five or six questions, ask Claude to summarize the patterns in your answers — recurring strengths and recurring gaps.

Step 3: Practice the hardest questions

Ask Claude to generate the three or four questions it thinks will be hardest for you, based on the job description and the gaps it identified in the mock session. Practice those questions more than the ones you already answer well. The questions that feel uncomfortable are usually the ones where your answer lacks specificity or confidence.

For technical interviews, give Claude the topic area and the level of the role and ask it to generate problems or questions at that level. Ask it to walk you through the ideal answer after you attempt one, and identify what the answer demonstrates about your skills.

Step 4: Prepare questions to ask the interviewer

Asking thoughtful questions is part of the interview. Give Claude the job description and ask it to generate ten questions a well-prepared candidate would ask — about the team, the role's first priorities, what success looks like in the first six months, and what challenges the current team is dealing with. Select the five that are most genuinely relevant to you and your priorities.

Step 5: Learn from each practice session

After each practice session, write down two or three specific improvements: not "give better examples" but "the story about the product launch needs a clearer result — add the 18% increase in conversion." Specific notes are actionable in the next session. Vague ones are not.

How to handle nerves and build confidence through practice

One advantage of practicing with Claude is that it has no reaction to a bad answer. You can stumble through a response, read Claude's critique, and try again without feeling embarrassed. Use that to practice the answers that make you most uncomfortable. If you avoid a question because you find it hard, you will still have to answer it in the real interview. A difficult answer practiced ten times is rarely as uncomfortable in the room as it was the first time you wrote it.

What Claude cannot do here

Claude does not know this company's actual interview questions, the preferences of the specific interviewers, or what the hiring team has decided to prioritize this cycle. Its feedback is based on general best practices for the role type, not insider knowledge. Treat it as a capable practice partner, not a source of guaranteed insights about the real interview.

Claude also cannot observe your tone, delivery, or body language. For those, practice with a real person or record yourself. Claude's value is in the precision of its written feedback and its ability to generate a large volume of relevant practice questions quickly.

How to do this with fenbs

1. Create a free account and add a project for your interview preparation.
2. Add the job description and your two or three strongest career stories as context notes.
3. Record your practice rules as Decisions and rules: the format, how strict you want the feedback to be, which gaps to focus on.
4. After each session, add a lesson: what improved, what still needs work, and which questions to revisit.
5. Connect Claude from Integrations so it reads your plan and lessons before each session.