Interviews with Data Scientists

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Interviews with Data Scientists by Mind Map: Interviews with Data Scientists

1. Vicki Boykis

1.1. We're now at high-growth adoption across larger companies

1.2. Standardization of DS workflow toolsets

1.3. There is oversupply of new data scientists

1.3.1. Job market is extremely competitive and crowded

2. Robert Chang

2.1. When you're building out data capabilities, you have to build it layer upon layer

2.1.1. See Monica Rogati

2.2. what to look for when job-searching

2.2.1. When looking for DS job, focus on state of data infrastructure in the company

2.2.2. otherwise it will take months if not years to do any ML

2.2.3. then look for the people

2.2.3.1. experienced leader

2.2.3.1.1. knows how to build and maintain a good infra and workflow for DS to be productive

2.2.3.2. manager who is supportive of continuous learning

2.2.3.3. work with a tech lead or senior DS who is very hands-on

2.2.3.3.1. for your day-to-day work, that's the person who helps you the most

2.3. some companies look for unicorns

2.3.1. data wrangling skills with R or Python

2.3.2. building ETL pipelines

2.3.3. data engineering

2.3.4. experiment design

2.3.5. building models and putting them into production

3. Randy Au, UX researcher, Google

3.1. Small and large companies

3.1.1. 10: everyone does everything

3.1.2. 20: start getting 3-4 person teams

3.1.3. 80-100: existing teams don't scale, lot more process

3.1.4. >150-200: can't know everything going on, bureaucracy has to exist

3.1.5. Startups: "You're building an F1 car and you're driving it at the same time, and everyone's arguing whether you should have a steering wheel"

3.2. Companies differ by industry

3.2.1. Insurance

3.2.2. Finance

3.2.2.1. Performance matters!

3.3. Advice for data scientists

3.3.1. Haven't applied in an arXiv paper in 12 years: still using regression because it works

3.3.2. "You're going to be cleaning up your data"

3.3.3. know your data: it'll take a long time: six months to a year or more

3.3.3.1. if you don't know your data, you'll make a bizarre statement

3.3.4. to really know your data, you need to make friends with people with domain knowledge

4. David Robinson, Data Scientist

4.1. Believe in producing public artifacts

4.1.1. Sometimes benefits show up months or years down the line and lead to opportunities I never would have expected

4.1.2. Makes it easy to evaluate a job candidate: if I can look at some graphs created, how they explained the story, how they dug into data

4.1.3. Anything still on your computer, however complete, is worthless

4.1.3.1. Anything out in the world is much more valuable

4.1.3.2. I did a lot of things that I never published - kept feeling they weren't ready

4.1.3.3. Now I've forgotten what's in them, can't find them, and they haven't added anything to the world

4.1.3.4. If I'd written a couple blog posts, maybe made a really simple package, all of those would have added value

4.2. Data analysis should be a habit

4.2.1. If you see an opportunity to analyze data, take a quick look - see what you can find in just a few min

4.2.1.1. Decide on a set amount of time, do all the analyses you can, then publish it

4.2.1.2. One dataset => one post can create the habit for you

4.3. Advice to a junior data scientist

4.3.1. Don't stress yourself over keeping up with the cutting edge

4.3.2. be comfortable transforming and visualizing data

4.3.3. programming with a variety of packages

4.3.4. statistical techniques like hypothesis tests, classification and regression

4.3.4.1. understand these concepts and get good at applying them

4.3.4.2. do this before worrying about concepts at the cutting edge

5. Kristen Kehrer, DS instructor

5.1. Update your resume often

5.1.1. Esp if you've been working at the same place for a while!

5.2. Rank your resume high in terms of matching keywords

5.3. Optimize your resume for the job you WANT, not the job you have

5.4. What to show in your resume

5.4.1. You can solve problems

5.4.2. You can manage yourself

5.4.3. You can communicate well

5.4.4. You can achieve results

5.5. Start applying!

5.5.1. Don't keep taking online courses!

6. Ryan Williams, senior data scientist at Starbucks

6.1. what you need to do to knock an interview

6.1.1. preparation!

6.1.1.1. A lot of people think they can just walk into an interview and their experience is naturally going to shine through

6.1.1.2. But unless you've really prepared, you can babble and talk in circles!

6.1.1.3. Read up on the typical questions you're going to face

6.2. what if you don't know the answer

6.2.1. Having a job is about resourcefulness in your ability to solve things you don't know

6.2.2. It's not about your ability to come into a room knowing everything you need to know already

7. Brooke Watson, senior DS at ACLU

7.1. What to consider besides salary

7.1.1. lifestyle

7.1.1.1. Day-to-day way that the job interacts with your life

7.1.2. learning

7.1.2.1. Am I going to grow in this role?

7.1.3. values

7.1.3.1. Do this org and team work toward something that aligns with my values?

8. Jarvis Miller, DS at Spotify

8.1. What surprised me about my first DS job

8.1.1. Improve as a writer

8.1.2. Explain contribution to the business without using jargon

8.1.3. How to break my work down into versions

8.2. How to deal with many suggestions for project improvements

8.2.1. Give ideas weights based on their contribution towards the goal and how long they would take

8.3. Advice to juniors

8.3.1. Don't be afraid to speak up

8.3.2. Your opinion is valued

9. Hilary Parker, DS at Stitch Fix

9.1. Don't do a stream-of-consciousness notebook for analysis

9.1.1. You should flip that to "Here's the conclusion, and in the appendix, you see where I started"

9.1.2. What's going to be the easiest to produce quickly may not be the most readable

9.2. How to handle people asking for adjustments

9.2.1. They might be articulating unease

9.2.2. You should figure out what the person is actually trying to say

9.2.3. What's the root cause? Is that something that's appropriate for an analysis to address?

10. Sam Barrows, DS at Airbnb

10.1. A tool for working with stakeholders is to turn requests into dialogues

10.1.1. Interest-based negotiation

11. Sade Snowden-Akintunde, DS at Etsy

11.1. It doesn't matter how smart you are if you cannot communicate concepts to non-technical stakeholders

11.2. Communicate early and repeat yourself

11.3. Say something from the very beginning

11.4. Soft skills are what are going to take you far in your career

12. Amanda Casari, Engg Mgr at Google

12.1. When to start looking for a new job?

12.1.1. My role

12.1.1.1. I enjoy working on projects at their start

12.1.1.2. I also think about the stage of team cohesion

12.1.2. Where the product is in this product life cycle

12.1.3. Where the team is in forming vs conforming

12.2. Don't think you're irreplaceable

12.2.1. Nobody else is going to execute your job exactly like you do

12.2.2. But that doesn't mean that no one else can do it

12.3. Experienced people

12.3.1. Simply doing what's asked of you is no good

12.3.2. Larger kinds of impact and change

12.3.3. Solving problems

12.3.3.1. Scalable

12.3.3.2. Repeatable

12.3.3.3. Solves an org problem

13. Michelle Keim, head of DS and ML at Pluralsight

13.1. To prevent your project from failing, you really have to get down into the weeds and understand the use case of the problem

13.2. Know what success looks like at different points along the way!

13.2.1. Lets you validate early

14. Elizabeth Hunter, senior VP of tech strategy at T-mobile

14.1. Success in career has depended on relationships I took the time to establish

14.1.1. Provided them with a lot of context about me

14.1.2. As an introvert, I had to work at how to go about it