Most data scientists fail the hiring manager screen not on technical skills, but on their ability to communicate business impact, structure answers, and show role alignment.

How to Pass the Data Science Hiring Manager Screen

Data from 2026 job postings shows data scientists are now expected to own infrastructure, write production SQL, and design experiments, not just build models.

The Data Scientist Skill Bar Just Moved. New Posting Data Shows What Companies Want in 2026.

This guide teaches a simple decision framework for solving causal inference interview questions using diff-in-diff and synthetic control methods.

How to Answer Causal Inference Interview Questions: Diff-in-Diff, Synthetic Control, and When to Use Each

In 2026, technical interviews are shifting from algorithmic testing to AI-assisted problem-solving that reflects real-world engineering work.

CoderPad: U.S. Technical Hiring Is Up 90% in 2026. The Interview Format Has Changed.

AI engineer demand is rapidly growing across industries, driven by massive market expansion, talent shortages, and the shift from AI experimentation to production.

Demand for AI Engineers in 2026 and Beyond: Market Trends, Skills & Opportunities

Data science interviews feel inconsistent because companies define the role differently, forcing candidates to prepare for multiple job archetypes instead of one.

Data Science Interviews Are Broken Because No One Agrees What a Data Scientist Is

CompTIA’s 2026 forecast shows tech hiring is rebounding, but candidates with AI skills will capture a disproportionate share of new roles.

CompTIA's 2026 Tech Forecast: 185,000 New Jobs, but 275,000 Already Require AI Skills

See how one candidate transitioned from consulting to data science and landed a job at Facebook.

Consulting to Data Science 

Interview Query is partnering with Columbia University and Georgia Tech to help soon-to-be graduates prepare for technical data science interviews

Interview Query Is Partnering with Top Colleges 

See and learn sample machine learning algorithm interview questions that are commonly asked in data science interviews.

PhD in Data Science Salary (Updated in 2025)

See how companies like Scale use operational efficiency to label 1M data points per week.

Scaling Data Science Requires Better Data Labeling 

This article compares data science bachelor’s vs. Master's in Data Science salary and provides insights on weighing the pros and cons of each degree.

Master’s in Data Science Salary (Updated for 2025)

Learn more about the new feature Performance Score and our data science skills test, Challenges. 

Introducing Performance Scores on Interview Query 

Explore the latest private-sector salary trends for Mathematics PhDs in 2025—from data science and ML engineering to research scientist roles. Get detailed pay estimates and career insights.

PhD in Mathematics Salary (2025 Update)

A master's in health informatics can significantly enhance career prospects and salary potential. Here, we delve into the salary expectations for graduates with a Master of Science in Health Informatics

Master's in Health Informatics Salary: A Comprehensive Guide in 2025

Interview Query founder Jay Feng counts down ways to build passive income streams with data science. if you’re motivated and have the time and resources to invest, you can explore these ways to generate passive income with data science.

10 Easy Ways to Generate Passive Income with Data Science

Learn how to build an original data science project from scratch, including ideas for formulating a hypothesis and tips for sourcing data.

How to Create a Data Science Project from Scratch

Learn how to present data science projects in interviews, classes or on-the-job, including tips for aligning to your audience and what information to include.

How to Present a Data Science Project (With Examples)

To answer probability interview questions, you need a strong basis in probability theory, and therefore it is recommended to brush up on it during your interview prep.

Frequently Asked Questions

The statistics and probability interview questions for quants and traders are framed as quantitative problems and ask interviewees to make calculations based on the provided information.

9 Data Science Project Interview Questions (Updated for 2025)

Interview Query Onboarding & Community Guidelines

Onboarding & Community Guidelines

This article will help you get through the Top 13 Amazon SQL interview questions, using your skills for one of the most highly sought-after FAANG companies.

Meta SQL Interview Questions 2025 | Sample Q&A + Prep Guide

Data science interview books typically include insights into the conduction of interviews and have practice interview questions (with solutions), interviewing strategies, and tips.

The 8 Best Data Science Interview Books (Updated for 2025)

The data science career path from junior to senior data scientist varies greatly in skill level, responsibilities, daily tasks, and everyone’s favorite topic– total compensation.

The Data Science Career Path and Skills Progression (2025 Update)

The product data science interview is meant to test your ability to understand how to build products.

Product Interview Questions for Data Scientists (2025 Update)

To help answer the question, we took a closer look at salaries for data scientists and statistics PhDs, as well as some of the pros and cons of pursuing a PhD for your data science career.

Is a PhD in Statistics Worth It?

For non-US citizens, landing a dream data science job in Silicon Valley starts with visa sponsorship. Yet, for those without a US passport or green card, getting visa sponsorship is a complicated process.

How to Get Visa Sponsorship for Data Science Jobs: Visa Types and Strategies in 2025

Don't know the difference between GROUP BY and WHERE? Here is Interview Query's one-all-end-all guide to Basic SQL Questions, designed to make your interview practice so much easier.

35 Basic SQL Interview Questions for 2025

We can drill this down all we want, but at the end of the day, I I think maybe the phrase the hiring process is broken is prevalent for a reason

Hasn’t hiring always been broken?

Fintech uses machine learning for fraud detection, risk analysis, and stock predictions. These 17 projects with code and tutorials help you build hands-on skills.

17 Best Fintech Machine Learning Projects with Code (2025)

For job positions requiring a lot of scientific calculations, matrix observations, financial, and deep learning analysis, NumPy interview questions will almost always come up. With this, this article serves as a guide for the top 19 NumPy interview questi

23 Take-Home Data Science Challenges (with Examples + Solutions)

Meet our AI and neuroscience expert coach with professional experience in natural language processing working previously on Alexa AI at Amazon. 

Land your Data Science job with our AI, ML and NLP Expert!

Interviews for customer analyst roles typically include one or more customer analytics case studies.

7 Customer Analytics Case Studies (Updated for 2025)

Discover the differences between an Analytics MBA and a Master’s in Data Science to determine which is right for your career.

Analytics MBA vs. Data Science Master's: 2025 Career Guide

This article will help you prepare for your next interview by covering the top 15 commonly asked deep-learning interview questions, covering the basics and beyond.

SQL MAX CASE WHEN: How to Use Conditional MAX in SQL

There are two main things to consider when evaluating how much money you’ll make when you accept a tech job offer.

Evaluating Job Offers Part 1: Compensation

We’ll take you through our curated 14 SQL project ideas. These projects are divided into three groups based on difficulty.

Top 14 SQL Project Ideas (Updated in 2025)

Ultimately, this pilot program of LMU – which was introduced out-of-pocket by the professor– presented Interview Query with the opportunity to learn how our courses, take-home challenges, and interview questions can be integrated into college courses.

How LMU Used Interview Query for Their College Class

We interviewed our coach, Jitesh Soni, who is passionate about sharing his knowledge, and we are delighted to learn more from his industry insights and tips to help you land your next dream job at a top company.

 Meet the Coach: Jitesh - Learn from the Experienced

Data science job openings are shifting to traditional industries in 2023. Data analytics is peaking as a specialty. We broke down the data science job market across industries, companies, and positions to understand the current trends.

Data Science Job Market - Feb 2023 Stats

We spoke with Asef Wafa, a former Microsoft analyst, who landed a job at Google during the height of the December employment cuts.

Success Story: Landing A Job At Google In The Middle Of A Recession

26 quant interview questions for analysts, researchers, traders, and risk professionals. Covers probability, stats, programming, and finance problems to help you ace interviews.

26 Quant Interview Questions & Answers for Analysts & Researchers (2025)

This guide compares Interview Query and DataLemur across SQL practice, interview simulations, learning paths, pricing, and preparation depth to help data candidates choose the right platform.

Interview Query vs DataLemur: Which Is Better for Data Science Interview Prep?

Dive into the 2023 journey of a fresh grad's rise in data science, from interview prep to landing a role at SoFi, plus insider tips for budding data scientists!

Student Spotlight: New Grad's Soaring Success at SoFi

From July to August of this year, almost all data science positions saw month-over-month increases. Data scientist positions saw the highest gains, with a 25% increase in job openings.

September 2023 Data Science Job Market Update

This week we've caught up with Owen, who joined Intuit after completing his Bachelors in Data Science at UCSD in 2020 and followed an unconventional path.

Success Story: Acing the Senior Data Scientist Interview at Intuit

Today, we're taking a closer look at the UW MSDS program, including admissions, academic requirements, and fresh perspectives from UW graduates.

University of Washington - Masters of Data Science Review (Update for 2025)

Overall, data science listings are in a holding position, with the exception of FAANG capturing a growing share of total postings and Business Intelligence taking off since the summer!

The October 2023 Data Science Job Market Report

Overall, data science listings remain below historic levels, but that has allowed FAANG to jump ahead in the share of total listings!

December Data Science Job Market Report (2023)

Data scientist Alex Dang used Interview Query to keep his skills and knowledge fresh in between jobs. After facing a layoff from a rideshare company, he found himself in the competitive pool of candidates for his next opportunity in the industry.

Data Science Success Story: Re-Tooling Mid-Career

Data scientists and computer scientists are two of the most in-demand experts right now, and choosing between the two careers can be hard.

Data Science vs Computer Science: Which Career Is Better in 2025?

We caught up with the UCLA Director of Career Services, Larry Braman, to understand where MSBA students were experiencing challenges in 2021, and how Interview Query has filled the gap since then.

The UCLA and Interview Query Partnership and Why It Was a Success

As interviews increasingly move online, the whole concept of interviewing has changed over the past couple of years, and you have probably felt this change as well.

Navigating the New Age of Interviews: A Data Scientist’s Experience

This month's job market report reveals notable hiring trends and company dynamics shifts.

October Data Science Job Market Report (2024)

His career kicked off at Capital One, where he gained invaluable experience in data migration and automation. As his knowledge and skills grew, so did his ambition—leading him to land a position at Amazon.

From Capital One to New Heights: Jayandra Lade’s Data Science Journey

This guide provides a complete 2026-ready roadmap for becoming a data engineer, covering core skills, tools, cloud systems, real-time pipelines, hands-on projects, and career preparation.

The 2026 Data Engineer Roadmap: Skills, Tools, and Projects to Get Hired

This guide outlines actionable steps to help aspiring professionals secure early-career data science jobs, including education, portfolio building, and interview preparation.

How to Land Early Career Data Science Jobs in 2025

In this article, we've curated a list of 20 datasets, ranging from beginner to advanced, to help you kick-start your projects.

20 Beginner to Advanced Data Science Projects for Students

Since partnering with Interview Query in 2022, the platform has provided tailored learning paths, peer-to-peer mock interviews, and an extensive library of technical questions, helping students strengthen their skills in SQL, coding, and data analysis.

How Business Analytics Students at Purdue Achieved 100% Job Placement

In a surprising and significant shift, job listings from FAANG companies (Facebook, Amazon, Apple, Netflix, and Google) grew by a remarkable 69.1% from September to October 2024.

November Data Science Job Market Report (2024)

We’ve selected these 17 specific tools because they cover core needs in data science, from data visualization and statistical analysis to machine learning and data cleaning.

Free Tools and Resources Every Data Science Major Should Know About

This report explores the challenges faced by data science master’s students in 2025, highlighting gaps in career preparation, the rise of supplementary learning, and the disconnect between academic programs and industry demands.

The State of Masters in Data Science and Analytics in 2025: The Academic-Industry Gap

This cheat sheet provides a detailed overview of essential pandas operations and functions.

Complete Pandas Cheat Sheet for 2025

The SQL LEAD function solves the problem of accessing and comparing data from subsequent rows in a result set without resorting to complex self-joins or subqueries.

SQL LEAD Function

In this article, we explore clinical analytics, its role in improving patient care and healthcare operations, and the key skills needed for a career in this growing field.

Clinical Analytics Jobs: Complete Guide in 2025

In this guide, we will discuss how to use the LENGTH() function and explore its various applications in SQL. We'll cover everything from basic usage to practical examples, helping you leverage this function to enhance your database operations.

SQL Length of String

Both cohort studies and case-control studies can be applied across various domains, including customer analytics, healthcare predictions, financial fraud detection, and product development, making them valuable tools for data scientists, analysts, and dec

Cohort Study vs. Case Control

The January 2025 tech job market saw a surge in layoffs, continued demand for core data roles, and shifting hiring patterns as FAANG slowed while global competitors expanded.

February Data Science Job Market Report (2025)

The business analyst career path offers diverse opportunities, from entry-level to senior roles, with competitive salaries and strong job growth. This guide covers key skills, certifications, and steps to advance your business analyst career.

What Is a Business Analyst? Career Path, Salary & Key Skills in 2025

A data science major in 2025 offers strong career prospects, high salaries, and diverse opportunities across industries. Learn why it’s a smart choice for the future.

Is Data Science a Good Major in 2025?

This guide will cover essential techniques for comparing dates in SQL, including the use of comparison operators, date functions, and specific examples for different SQL databases, along with interview tips and practice problems.

SQL Compare Dates

Learn how to use SQL day-of-week functions across MySQL, PostgreSQL, and SQL Server to analyze weekday trends, calculate business days, and ace technical interviews.

SQL Day of Week Functions Explained (With MySQL, PostgreSQL & SQL Server Examples)

Chris Keating’s journey from startup founder to staff data scientist at Meta shows how rigorous prep with Interview Query helped him land offers at top companies and level up his technical game.

From Startup Founder to Staff Data Scientist at Meta | Chris Keating's Journey

Two popular open-source options — SQLite and PostgreSQL — offer very different benefits depending on the application’s scale, performance needs, and complexity.

SQLite vs PostgreSQL: Choosing the Right Database for Your Needs

Jeffrey Li’s career switch from mechanical engineering to senior data engineer at Trend Micro shows how smart prep with Interview Query leads to success.

How Jeffrey Became a Senior Data Engineer at Trend Micro | Interview Query

A complete 2025 guide to R programming interview questions—from fundamentals and Shiny to advanced modeling and optimization—tailored for data science roles.

R Interview Questions (2025) – R Programming & Data Science Prep

An end-to-end resource covering Walmart SQL interview questions—from entry-level joins and aggregations to senior-level performance tuning and platform-specific Karat, SQLPad, and BigQuery scenarios.

Walmart SQL Interview Questions 2025: Complete Prep & Strategy Guide

This guide walks you through TikTok SQL interview questions at every level—basic data manipulations, intermediate cohort and window-function challenges, and senior-level debugging and performance-tuning scenarios—plus platform-specific variations and stra

TikTok SQL Interview Questions: Complete Prep for Data Analysts & Engineers

A comprehensive guide to Amazon SQL interview questions—covering everything from basic queries to advanced optimizations—with sample solutions, platform-specific tips, and pro strategies for your SQL assessment test.

Amazon SQL Interview Questions: Top Prep Guide & Sample Answers

A detailed comparison of Interview Query and StrataScratch covering SQL practice, mock interviews, pricing, features, and which platform better prepares you for real data science interviews.

Interview Query vs StrataScratch: Which Data Science Interview Platform Is Right for You?

Prepare smarter with curated study plans for interviews. Covering data science, analytics, BI, supply chain, ML & AI roles with 50 essential questions.

Introducing Study Plans: A Smarter Way to Prepare for Interviews

A bombshell Stanford study shows AI is not wiping out every job, it is targeting entry-level workers, and 22-year-olds are the first to vanish from the workforce.

Stanford study finds that AI has already started wiping out new grad jobs

MIT’s latest study reveals that most companies are losing money on AI which means human problem-solving and practical skills are still essential for career success.

MIT says AI isn’t replacing you… it’s just wasting your boss’s money

Nick Bermingham overcame repeated rejections by using a layered interview prep system—ultimately landing an Amazon applied scientist role.

How Nick Bermingham Turned Rejections into an Amazon Applied Scientist Role

Discover the strengths of Interview Query and LeetCode to determine the best fit for your interview preparation needs in data science, software engineering, & beyond.

Interview Query vs LeetCode: Which Platform Will Land You Your Dream Tech Job?

A new Skillsoft survey shows HR leaders fear employees are overstating their skills and falling behind the demands of an AI-driven workplace.

Global survey exposes what HR fears most about AI

Ramp’s spending data reveals San Francisco tech workers are increasingly working Saturdays, sparking concerns that China’s “996” hustle culture is creeping into the Bay Area.

San Francisco Tech Workers Just Lost Their Weekends, Ramp Data Shows

On Friday night, Elon Musk’s xAI cut 500 employees with a cold email. The very team that trained Grok, its chatbot, was locked out instantly.

Musk Fired 500 Workers by Email After They Built His AI

Workers are increasingly “job hugging” due to AI-related job fears, but upskilling and employer support offer a path to career security and growth.

AI Has Workers Clinging to Dead-End Jobs

College degrees still matter, but in 2025 they no longer guarantee job security as AI, layoffs, and hiring shifts push graduates into long-term unemployment.

“Get a Degree, Get a Job” Stopped Working—Labor Research Says

Trump’s $100K H-1B visa fee has Big Tech in crisis mode, but Nvidia and OpenAI’s CEOs see opportunity amid the chaos.

H-1B Chaos: Nvidia, OpenAI Optimistic—Big Tech Freaks Out

Executives worldwide are overselling AI while quietly doubting its value, creating a costly leadership gap between hype and reality.

Your Boss Is Faking Their Way Through AI Adoption

Despite the hype, data shows AI isn’t eliminating jobs but reshaping them—workers who adapt will thrive.

AI Job Apocalypse? The Data Says Otherwise

While AI models can write code, engineers are still essential as “babysitters” to ensure safety, scalability, and real-world reliability.

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