How to Prepare for a Job Interview: A Step-by-Step Guide

A complete, ordered checklist for interview preparation — what to do in the days before, the night before, and on the day itself.

10 min read · Updated 14 August 2026

Interview outcomes are decided far more by preparation than by natural talent. The candidates who walk in calm and articulate almost always did the same unglamorous work beforehand: they researched, predicted the questions, prepared evidence, and practised out loud.

This guide breaks that work into an ordered checklist — what to do across the week before, the night before, and on the day itself — so nothing important gets left to chance.

In the days before

The bulk of useful preparation happens here, not the night before.

Research the company properly. Beyond the homepage: recent news, their products (use them if you can), their competitors, their mission and values. You'll draw on this for "why us" and for asking good questions.
Re-read the job description and pull out every requirement. Each one is a hint about what they'll ask. Map one piece of your own evidence to each requirement.
Predict the questions. Expect "tell me about yourself", "why this role", "why this company", and behavioural questions matching the key requirements. Role-specific technical questions if relevant.
Prepare your stories. Build a bank of five or six STAR-structured examples covering leadership, teamwork, conflict, failure and delivering under pressure.
Prepare your own questions. Thoughtful questions about the role, team and challenges signal genuine interest and are part of how you're assessed.

Practise out loud — this is the step people skip

Reading your answers silently creates a dangerous illusion of readiness. Speaking is a different skill: answers that feel solid in your head routinely come out rambling and unstructured the first time you actually say them.

Practise aloud — to a friend, to a camera, or with a mock-interview tool. Record yourself if you can bear to; you'll immediately hear the filler words, the answers with no ending, and the stories that take too long to get going. This single habit separates candidates who interview well from those who don't.

The night before

Keep it light — cramming rarely helps and often raises anxiety.

Confirm the logistics: location and route, or the video link and that your camera and microphone work.
Lay out what you'll wear and pack copies of your CV, a notepad and any requested documents.
Re-read your STAR stories and the job description once — a light review, not a cram session.
Prepare a concise, confident answer to "tell me about yourself", since it usually comes first and sets the tone.
Get a proper night's sleep. Being rested does more for your performance than one more hour of revision.

On the day

Arrive early — ten minutes for in-person, and join a video call two or three minutes before.
For video: check your lighting, background and that you're looking at the camera; close other apps and silence notifications.
Bring calm energy. A few slow breaths beforehand genuinely help; treat it as a two-way conversation, not an interrogation.
Listen to the whole question before answering, and it's fine to take a two-second pause to structure your thoughts.
Have your questions ready for the end, and thank the interviewer — a brief follow-up thank-you email afterwards is a small, positive touch.

Frequently asked questions

How long does it take to prepare for an interview?

For an important interview, spread preparation across several days rather than cramming: a few hours of research and story preparation, then repeated short sessions practising your answers aloud. Little-and-often beats one long session.

What should I research before an interview?

The company's products and recent news, the specifics of the role and its requirements, the people or team you'd join if known, and the industry context. Aim to know enough to explain genuinely why you want this role at this company.

What's the most overlooked part of interview preparation?

Practising answers out loud. Most candidates read their answers silently, which feels productive but doesn't build the spoken fluency the interview actually tests. Rehearsing aloud, ideally with mock questions and feedback, is the highest-value step.

Practise these questions out loud

Reading answers isn't the same as delivering them. GetPrepPro runs spoken mock interviews tailored to your CV and the exact job you're targeting, then scores every answer against a STAR-based rubric.