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Candidate
InterviewsJune 19, 20265 min read

How to Prepare for a Job Interview: Complete Checklist

A step-by-step interview preparation checklist — company research, question prep, logistics, and what to do the night before and morning of.

AJ

Alex Just

Co-founder at candidate.so

In this article
  1. 5-7 Days Before
  2. 2-3 Days Before
  3. The Night Before
  4. The Morning Of
  5. During the Interview
  6. After the Interview

Most interview failures aren't about qualifications. They're about preparation — candidates who could do the job but can't demonstrate it clearly in a 45-minute conversation. Preparation is the variable you control.

Here's a complete checklist, organized by timeline.

5-7 Days Before

Research the company thoroughly

  • Read their website fully: products, pricing, team, mission, recent press releases
  • Read their last 5-10 LinkedIn posts (signals what they're publicly proud of)
  • Search for recent news: funding, acquisitions, product launches, executive changes
  • Read Glassdoor reviews with a critical eye — look for patterns, not outliers
  • If they're public, scan their most recent earnings call transcript

Research the role

  • Re-read the job description carefully — identify the 3 core requirements
  • Identify what skills/outcomes they seem most focused on
  • Research what this title typically does at comparable companies (for scope calibration)

Research your interviewers

  • Look up everyone scheduled on LinkedIn
  • Note their tenure, background, and current focus
  • Find a genuine connection point or a question specific to their work

Prepare your core stories Using the STAR format (Situation, Task, Action, Result), prepare 5-7 stories from your experience that cover:

  • Your biggest professional achievement
  • A time you handled conflict or a difficult person
  • A failure or mistake and what you learned
  • A time you led without authority or influenced without power
  • A time you dealt with ambiguity or changed direction mid-project

Strong stories can flex to answer multiple different questions. You don't need 30 stories — you need 5-7 great ones.

2-3 Days Before

Prepare your questions to ask

You should have 5-8 questions prepared — you'll use 3-4 in the conversation. Strong questions for this stage:

  • "What does success look like in this role in the first 90 days?"
  • "What's the biggest challenge the team is facing right now?"
  • "What would I be inheriting — what's the state of [key area of the role]?"
  • "How do you make [type of decision relevant to the role] here?"
  • Something specific to the company's recent news or direction

Avoid questions answered on the company website, questions about salary before you've established strong interest, and generic questions like "What do you like about working here?" in later rounds.

Prepare your key message

Every candidate should have a short, clear answer to "Tell me about yourself" — no longer than 90 seconds. This is not your life story. It's the professional narrative that explains why you're sitting in front of them, in this order:

  1. Where you've been (1-2 sentences)
  2. Where you are now (1 sentence)
  3. Why you're here (1 sentence specific to this company and role)

Practice it until it's smooth but not memorized-sounding.

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The Night Before

Logistics check

  • Confirm the interview time, format (in-person / video / phone), and interviewer names
  • If in-person: map the route, find parking, know the building entry process
  • If video: test your camera, microphone, and internet connection
  • Have a backup plan if technology fails (phone number to call)

Prepare your materials

  • Print 3-4 copies of your resume (for in-person interviews)
  • Have a notepad and pen — taking brief notes is a strong signal
  • Re-read your resume so you can speak to every line without hesitation

Review your stories one more time Don't re-research the company at this point. Trust your preparation. Read through your STAR stories once, then stop.

Sleep Fatigue affects cognitive performance, verbal fluency, and emotional regulation. Eight hours before an interview matters more than another hour of research.

The Morning Of

Eat and hydrate Low blood sugar creates anxiety and impairs recall. Don't skip breakfast.

Arrive early — but not too early For in-person: aim to be in the vicinity 15-20 minutes early, in the lobby 5-10 minutes before. Arriving 30+ minutes early creates awkward logistics for hosts.

Mental frame You've done your preparation. Your job in the interview is to have a real conversation — not to perform. The best interviews feel like a peer conversation between two professionals figuring out if there's a fit. Go in curious, not auditioning.

During the Interview

Listen carefully before answering Many candidates start answering before the question is fully asked. If a question is complex, it's fine to say "give me a moment to think" and pause.

Be specific Vague answers are the most common interview problem. Every answer should include a real situation, real actions you took, and a real outcome. "I'm really good at stakeholder management" is not an answer. "In my last role, I aligned three competing stakeholders on a product roadmap under a 2-week deadline" is.

Watch the energy If the interviewer looks confused, ask "Was that the kind of detail you were looking for?" If they look engaged, you can go deeper. Interviews are conversations, not depositions.

After the Interview

Send a thank-you email within 24 hours — same day is better. Personalize it to the specific conversation. One sentence referencing something you discussed is enough to differentiate from the 75% of candidates who send nothing.

Then: keep your other applications moving. The outcome is now out of your hands.

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