Question 1

How should I prepare for a data science interview?

Accepted Answer

Whether you're interviewing at a top tech company like Google, Meta, or Amazon, or a growing startup, data science interviews are rigorous and typically focus on five main areas:

Coding. Expect SQL, data structure, algorithm, and modeling questions. You may be asked to write code on a virtual whiteboard and explain your logic step by step.
Statistics. You'll face questions that test your knowledge of statistics fundamentals and your abililty to explain statistical concepts. Some common topics typically asked include A/B testing, probability, and statistical models.
Machine learning. Depending on the role, you may need to discuss specific ideas around system design and ML models, build a hypothetical model, or explain how you'd improve one to solve a real-world problem.
Product sense. Many interviews include product-focused questions, sometimes in the form of a case study. You may need to explain how you define metrics, run experiments, and guide product decisions.
Behavioral. Be ready to walk through your experience, how you sovle problems, and why you're a good fit for the team and role.

To prepare:

1. Brush up on SQL, statistics, and ML fundamentals
2. Practice coding and case questions under time pressure
3. Refine your project stories and be ready to explain the impact of your work using data
4. Do interview coacing with an experienced data science interviewer

Read our data science interview prep guide for a more detailed breakdown of the process and question types.

Question 2

What does {{page.skill.name|add_article}} interview coach do?

Accepted Answer

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Here's a more detailed look at what {{page.skill.name|add_article}} interview coach can do for you:

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Question 3

How will my {{page.skill.name}} interview coaching session work?

Accepted Answer

In a 1h mock interview session, you’ll spend 45 minutes being interviewed by your coach and they will give you feedback on your performance for 15 minutes. They will identify your weak points, give insightful, actionable advice on how to improve, and give you more confidence going into your real interviews.

In a more general preparation session, you can get your {{page.skill.name}} interview coach to help you structure your preparation, answer any questions you might have about your upcoming interview, and make more efficient use of your study time.

Question 4

How much does {{page.skill.name|add_article}} interview coach normally cost?

Accepted Answer

{{page.skill.name}} interview coaches normally cost over $200 per hour, and if they have experience at top companies you can easily pay $300 per hour or much more. It is sometimes possible to find coaches who charge lower rates, especially on sites like Fiverr, but they usually lack interviewer experience at top companies.

Various factors affect what you might pay for interview coaching:

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How good the website is (e.g can you instantly schedule a coaching session or do you have to call?)
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The coaching platform's 'take rate'
Whether it includes added services as well as the mock interview session

On our platform you can hire an experienced {{page.skill.name}} interview coach from just $100 per hour. This makes IGotAnOffer easily one of the most affordable interview coaching services around.

Question 5

How is practicing with {{page.skill.name|add_article}} interview coach different to doing mocks with a friend or peer?

Accepted Answer

Practicing with {{page.skill.name|add_article}} interview coach is a totally different experience from doing mocks with a friend or peer.

Our coaches have all conducted interviews at top companies, so they know exactly what interviewers are looking for. They won’t just say “that sounded good”, they’ll tell you why something worked or didn’t, and how to make your answers tighter, clearer, and more impactful.

Friends or peers might be smart, but they’re not calibrated. A coach will push you on the right things, find your weak points, and give you a realistic sense of how you'd perform in a real interview. Plus, they can help you build a plan, identify gaps in your prep, and flag blind spots you didn’t know you had.

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