Sundeep Teki
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Index

12/8/2022

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  1. [Video] Q&A on Careers in AI (Industry Insiders for UCL Alumni)
  2. How do I crack data science interviews, and should I learn DSA for the same?
  3. [Video] Robinhood Machine Learning System Design Mock Interview
  4. [Video] Amazon Deep Learning Mock Interview
  5. [Video] AI in India (Industry Insiders for UCL Alumni)
  6. [Video] Careers in AI
  7. [Video] AI Career Advice - Part 1
  8. [Video] AI Career Advice - Part 2
  9. [Video] ​How to conduct innovative, applied AI research?
  10. [Video] How has the field of AI evolved?
  11. Advice for people who want to do research in AI
  12. How crucial is starting early for those interested in data science?​​​​
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Q&A on Careers in AI for UCL Alumni

12/8/2022

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How do I crack a data science interview, and should I learn DSA for the same?

9/7/2022

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Cracking data science interviews is getting tougher and tougher. Depending on the type of company, be it a startup or a big tech, and the level that you are targeting, you can expect to have 3–6+ interviews in all. The core data science interview rounds focus on statistics, programming (Python), machine learning, product or business sense, behavioral or leadership interviews. Additionally, interviewers in each round round also assess your problem solving, thinking, and, communication skills.

DSA is not as relevant for data science interviews except if you are applying for the role of data engineer or machine learning engineer. These roles involve more software engineering than data science and therefore require strong DSA understanding.

Data science interviews lack structure and vary a lot, and therefore it helps to learn from experienced mentors who have worked at the kind of companies that you are targeting.
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Robinhood Machine Learning System Design mock interview

6/7/2022

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Amazon Deep Learning mock interview

6/7/2022

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Industry Insiders - AI in India (for UCL Alumni)

6/7/2022

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Careers Advice in AI

6/7/2022

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Careers in AI - Part 2

6/7/2022

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Careers in AI - Part 1

6/7/2022

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How to conduct innovative, applied AI research?

6/7/2022

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How the field of AI has evolved?

6/7/2022

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How to work in the field of research into artificial intelligence?

6/7/2022

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Conducting innovative research in AI is not straightforward. Researchers should focus on a problem area that they are deeply passionate about, e.g., NLP, multi-modal AI, computer vision, speech, synthetic data, graph-based models etc. For research, the problem could be in the theoretical realm. However, if the problem area is grounded in the real-world, then practitioners can actually test their algorithms on real-world data and learn from the feedback.
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The most important skill for doing novel research is to think deeply about a particular problem, and apply the scientific method systematically. This involves coming up with relevant hypotheses and conducting several experiments using the right datasets, algorithms, models etc. to test the validity of the hypotheses. An empiricial, data-driven strategy coupled with creative ideas usually leads to novel research output.

To come up with innovative ideas, you need to know the existing literature and what ideas have previously worked or not worked for a particular problem. Sometimes, it is sufficient to translate existing ideas for your particular use cases as well. Knowing what ideas can generalize and are practically feasible to solve a business problem is a rare skill that distinguishes the best applied researchers from the rest.
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How crucial is starting early for those interested in data science?

6/7/2022

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To become an expert in any discipline, it is important to build a solid knowledge base which can take a significant amount of time. If you build this foundation earlier than others, then you can advance on the journey faster and develop better first-principles thinking and intuition for a variety of machine learning problems. This is particularly true in the case of AI, which requires strong fundamentals in diverse topics including statistics, mathematics, programming, data analysis, presentation, and communication skills.

However, regardless of how early or late you start your career in data science, the key is to keep practicing and honing your skills, given that the field of data science is going to continue evolving rapidly. I have worked with both Bachelors’ students as well as senior IT professionals in their 30s and 40s who are equally motivated to launch their careers in data science.

Given the lack of formal degree education in data science, every data scientist I know is self-taught to an extent. With so many open-source resources, courses, code repositories and datasets available online, any ambitious and motivated person can become a good data scientist. However, to truly become a versatile data scientist, one needs to complement their learning with training from experienced industry mentors and develop a deep understanding of business domains like e-commerce, healthcare, fintech and how data science practically works in industry.
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