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Netflix Machine Learning Engineer Interview
Leon Wei
Published on Dec. 2, 2021

Netflix Machine Learning Engineer Interview

Netflix machine learning engineer job interview case study, machine learning, coding, behavioral questions, Netflix culture fit.

Last updated: Dec. 2, 2021

Google Cloud Data Scientist Job Interview
Leon Wei
Published on Nov. 30, 2021

Google Cloud Data Scientist Job Interview

Google Cloud Data Scientist job interview case study, statistics, AB testing, coding, Googliness, behavioral questions/leadership question.

Last updated: Nov. 30, 2021

Amazon Economist Job Interview
Leon Wei
Published on Nov. 29, 2021

Amazon Economist Job Interview

Amazon Economist job interview case study, SQL coding, Time Series Analysis, Forecasting system design, leadership and behavioral questions

Last updated: Nov. 29, 2021

Instacart Machine Learning Engineer Interview
Leon Wei
Published on Nov. 27, 2021

Instacart Machine Learning Engineer Interview

Instacart machine Learning Engineer job interview case study, coding and algorithm, machine learning system design, behavioral question.

Last updated: Nov. 27, 2021

How I 14Xed my salary in 14 years as a data analytics / science professional
Leon Wei
Published on Nov. 26, 2021

How I 14Xed my salary in 14 years as a data analytics / science professional

How I increased my full-time job salary 14 times in my 14 years of career. I talked about IPO, RSU, startups and working at FAANG companies.

Last updated: Dec. 3, 2021

Whiteboard interview with Zoom and Apple iPad
Leon Wei
Published on Nov. 25, 2021

Whiteboard interview with Zoom and Apple iPad

Tutorial on how to use iPad and Apple Pencil to conduct a whiteboard interview through Zoom. Detailed setup and instructions.

Last updated: Nov. 25, 2021

Doordash Machine Learning Engineer Interview
Leon Wei
Published on Nov. 24, 2021

Doordash Machine Learning Engineer Interview

Doordash machine Learning Engineer job interview case study, sample questions: coding, machine learning system design, behavioral question.

Last updated: Nov. 24, 2021

Twitter Machine Learning Engineer Interview
Leon Wei
Published on Nov. 23, 2021

Twitter Machine Learning Engineer Interview

Twitter machine Learning Engineer job interview case study, sample questions: coding, machine learning system design, behavioral question.

Last updated: Nov. 23, 2021

Uber Machine Learning Engineer Interview
Leon Wei
Published on Nov. 22, 2021

Uber Machine Learning Engineer Interview

Uber Machine Learning Engineer job interview case study, sample questions: coding, machine learning system design, behavioral questions.

Last updated: Nov. 24, 2021

Yelp Product Data Scientist Job Interview
Leon Wei
Published on Nov. 21, 2021

Yelp Product Data Scientist Job Interview

Yelp product data scientist job interview case study, sample questions, SQL, Python, product sense, statistics, and machine learning

Last updated: Nov. 21, 2021

Doordash machine learning data scientist job interview
Leon Wei
Published on Nov. 21, 2021

Doordash machine learning data scientist job interview

Doordash Machine Learning Data Scientist job interview case study, take-home assignment, product sense, ab testing, behavioral questions.

Last updated: Nov. 21, 2021

LinkedIn Staff Data Scientist Interview
Leon Wei
Published on Nov. 20, 2021

LinkedIn Staff Data Scientist Interview

LinkedIn Staff data scientist job interview case study, sample questions, SQL, Python, product sense, statistics, and machine learning

Last updated: Nov. 20, 2021

Redfin Data Analyst Interview
Leon Wei
Published on Nov. 19, 2021

Redfin Data Analyst Interview

Redfin data analyst job interview case study, sample questions, take-home assignment, SQL, product sense, ab testing

Last updated: Nov. 20, 2021

Amazon Data Scientist (L5) Interview
Leon Wei
Published on Nov. 16, 2021

Amazon Data Scientist (L5) Interview

Amazon Web Service: AWS Data Scientist L5 case study with instamentor customer. SQL, Machine Learning, leadership, behavioral questions.

Last updated: Nov. 20, 2021

Walmart Labs Data Scientist Interview
Leon Wei
Published on Oct. 21, 2021

Walmart Labs Data Scientist Interview

Walmart Labs personalization team Data Scientist case study. Sample coding questions including Python, SQL, Machine Learning modeling.

Last updated: Nov. 20, 2021

Dropbox Data Engineer Interview
Leon Wei
Published on Oct. 18, 2021

Dropbox Data Engineer Interview

Dropbox data engineer interview case study. 3 rounds of interviews: 1. HR call, 2. SQL coding interview, 3. virtual onsite interviews.

Last updated: Nov. 20, 2021

Lyft Data Scientist Interview
Leon Wei
Published on Oct. 12, 2021

Lyft Data Scientist Interview

Lyft senior data scientist job interview case study including sample questions in SQL, Product Sense, leadership, statistics.

Last updated: Nov. 18, 2021

From Microwaving fresh salad to a female leader in tech | Chen Zhao
Chen Zhao
Published on Aug. 28, 2021

From Microwaving fresh salad to a female leader in tech | Chen Zhao

In this interview, I talked to Chen Zhao, a seasoned female leader in the tech industry, who's worked at some of the biggest technology companies in …

Last updated: Aug. 28, 2021

Product owner’s mindset: software engineers' key to career advancement. | chunzhao
Chunzhao Zheng
Published on Aug. 18, 2021

Product owner’s mindset: software engineers' key to career advancement. | chunzhao

I talked to Chunzhao, a software architect with 15 years of software engineering experience, who currently works on Facebook’s distributed AI project…

Last updated: Aug. 28, 2021

Job search is hard, community and mentors are here to help | Alex Chao
Alex Chao
Published on Aug. 10, 2021

Job search is hard, community and mentors are here to help | Alex Chao

In this interview, I talked to our latest mentor, Alex Chao. Alex is currently a principal product manager at SambaNova Systems, an AI chip company.…

Last updated: Aug. 28, 2021

Two secret weapons for your job search and career: networking and showing initiatives.
Sam Yang
Published on Aug. 4, 2021

Two secret weapons for your job search and career: networking and showing initiatives.

Best advice for anyone who wants to land a job at wall street and work at an investment bank, why Leetcode is not good in finding machine learning/da…

Last updated: Aug. 28, 2021

Facebook data engineer interview
Leon Wei
Published on Aug. 1, 2021

Facebook data engineer interview

Facebook data engineer interview case study and sample python and SQL questions.

Last updated: Nov. 20, 2021

Facebook product data scientist interview
Leon Wei
Published on July 27, 2021

Facebook product data scientist interview

An interview with an instamentor member Jennie, who shared her experience interviewing Facebook product data scientists.

Last updated: Nov. 30, 2021

An interview with a product and data science director: Arielle Caron
Arielle Caron
Published on July 23, 2021

An interview with a product and data science director: Arielle Caron

An interview with Arielle Caron, a seasoned product management leader with expertise in data science and analytics.

Last updated: July 23, 2021

SQL Q&A
Leon Wei
Published on July 22, 2021

SQL Q&A

SQLPad founder Leon Wei, recently did an AMA on Reddit r/sql, he answered some great questions in the database, data science, latest technology, indu…

Last updated: July 23, 2021

Amazon BIE | Business Intelligence Engineer interview
Leon Wei
Published on July 16, 2021

Amazon BIE | Business Intelligence Engineer interview

Amazon Business intelligence engineer (BIE) interview case study. How a mentee prepared for a BIE role at Amazon and received a job offer

Last updated: Nov. 20, 2021

Stripe Data Scientist interview
Leon Wei
Published on July 15, 2021

Stripe Data Scientist interview

Stripe data scientist interview case study, data challenge, statistical analysis, product sense, ab testing, leadership/behavioral questions

Last updated: Nov. 20, 2021

Object Recognition with CoreML, Vision and SwiftUI on iOS
Leon Wei
Published on May 20, 2021

Object Recognition with CoreML, Vision and SwiftUI on iOS

Step by step tutorial on image object recognition iOS app (improved SeeFood app in Silicon Valley) with CoreML, Vision, and SwiftUI.

Last updated: Nov. 30, 2021

Django All Auth with Google One Tap for Web Tutorial
Leon Wei
Published on March 24, 2021

Django All Auth with Google One Tap for Web Tutorial

A tutorial on how to sign up a user with django all auth, django cookie-cutter, and google one tap for web.

Last updated: March 31, 2021

Django All Auth tutorial with Google and Django Cookiecutter
Leon Wei
Published on March 20, 2021

Django All Auth tutorial with Google and Django Cookiecutter

A step-by-step tutorial on how to use django-allauth, Google OAuth to sign in a user with django-cookiecutter template.

Last updated: July 8, 2021

4 common mistakes to avoid in a  job search
Leon Wei
Published on March 5, 2021

4 common mistakes to avoid in a job search

Bad timing application, generic resume, ignoring behavioral questions, missing out on good opportunities, afraid of applying for big techs.

Last updated: Sept. 28, 2021

How to install Postgres on a Mac with Homebrew in 5 minutes
Leon Wei
Published on Feb. 26, 2021

How to install Postgres on a Mac with Homebrew in 5 minutes

Step by step guide on how to install the latest Postgres server on a Mac with homebrew, and how to update its configuration file to improve its perfo…

Last updated: March 22, 2021

How to build a successful data analytics career
Chen Zhao
Published on Feb. 16, 2021

How to build a successful data analytics career

An interview with Chen Zhao, a seasoned data and product analytics executive, who shares her wisdom, tips, and tricks on how to breaking into a succe…

Last updated: March 19, 2021

What a typical SQL interview looks like at a FAANG company
Leon Wei
Published on Dec. 31, 2020

What a typical SQL interview looks like at a FAANG company

A walkthrough of a typical SQL interview process in Silicon Valley tech companies. Tips and techniques that give you an edge for your next interview.

Last updated: July 8, 2021

5 Quick Tips to Make Your Data Scientist Resume Stand Out in 2021
Leon Wei
Published on Dec. 27, 2020

5 Quick Tips to Make Your Data Scientist Resume Stand Out in 2021

5 actionable quick tips and techniques to improve your data scientist resume and make it stand out in 2021's job market.

Last updated: Sept. 23, 2021

4 Essential SQL Window Functions and Examples for a Data Scientist Interview in 2021
Leon Wei
Published on Dec. 27, 2020

4 Essential SQL Window Functions and Examples for a Data Scientist Interview in 2021

SQL window functions tutorials: ROW_NUMBER/RANK, NTILE, LAG/LEAD, running sum, total with real interview question examples.

Last updated: Sept. 23, 2021

7 Steps to Prepare a Data Scientist Job Interview in Silicon Valley in 2020. Analytics & Inference Track
Leon Wei
Published on Dec. 26, 2020

7 Steps to Prepare a Data Scientist Job Interview in Silicon Valley in 2020. Analytics & …

Data Scientist & Data Analytics interview prep: SQL, Product Sense, Basic Data Processing, A/B testing, Statistics, Probability, BQ

Last updated: Sept. 23, 2021

11 Tools for Productive Data Analytics Professionals - The fullstack data scientist toolkit
Leon Wei
Published on Dec. 26, 2020

11 Tools for Productive Data Analytics Professionals - The fullstack data scientist toolk…

The full stack data scientist toolkit: 11 categories of apps and services for enhancing your productivity as a data analytics professional.

Last updated: July 8, 2021

Django for Data Scientists Part 2: Deploy A Machine Learning Model RESTFul API to the Cloud (Heroku)
Leon Wei
Published on Dec. 26, 2020

Django for Data Scientists Part 2: Deploy A Machine Learning Model RESTFul API to the Clo…

Step by step tutorial to create a RESTful API to serve a machine learning model with Python/Django, Scikit-Learn and Heroku

Last updated: March 21, 2021

Django for Data Scientists Part I: Serving A Machine Learning Model through a RESTFul API
Leon Wei
Published on Dec. 26, 2020

Django for Data Scientists Part I: Serving A Machine Learning Model through a RESTFul API

Tutorial on productionize a machine learning model by serving it through a RESTFul web API server with Django and Django cookie-cutter.

Last updated: Nov. 30, 2021

9 behavioral questions you must prepare for a data scientist job interview in 2021
Leon Wei
Published on Dec. 26, 2020

9 behavioral questions you must prepare for a data scientist job interview in 2021

Behavioral questions, or leadership questions preparation guidance with recently asked sample questions at Amazon.

Last updated: Sept. 23, 2021