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    3. Interview Query

    Interview Query

    Interview Query is an adaptive learning platform that supports data scientists, machine learning engineers, and other data professionals in preparing for technical interviews and advancing their careers.

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    At a Glance

    1Tool Listed
    3Products
    25Tool Views
    7Capabilities
    Discussions
    San Francisco, CaliforniaHeadquarters
    2019Est.
    16Employees
    Focus Areas
    AI Interview Help
    AI Courses
    AI Tutorials
    Latest News
    State of Tech Hiring: Demand for AI Engineers SurgesApr 10, 2026
    Analysis: How AI-Driven Layoffs are Shaping the Technical Job MarketMar 30, 2026
    Markets
    • Individual job seekers (Data Scientists, MLEs, Analysts)
    • Academic institutions (Career Centers)
    • Technology companies hiring data talent

    AI Tools by Interview Query

    (1)
    View Interview Query
    Interview Query tool icon

    Interview Query

    Data Science Interview Prep Platform

    AI Interview HelpAI CoursesAI Tutorials

    Discussions

    No discussions yet

    Be the first to start a discussion about Interview Query

    Latest News

    04/10/2026

    State of Tech Hiring: Demand for AI Engineers Surges

    interviewquery.com
    03/30/2026

    Analysis: How AI-Driven Layoffs are Shaping the Technical Job Market

    interviewquery.com
    01/15/2025

    State of Interviewing 2025: How AI Quietly Rewired Tech Interviews

    interviewquery.com
    06/05/2024

    Five Years of Bootstrapping: Reflections on Building Interview Query

    datastream.substack.com

    Products & Services

    3
    IQ Coder

    Includes 300+ Python & SQL questions with solutions, unlimited code submissions, and 3 AI-driven mock interviews per month.

    IQ Premium

    Includes all Coder features plus 500+ case, system-design, and behavioral questions, 10 AI interviews per month, and 10+ specialized courses.

    1:1 Coaching

    Personalized coaching sessions with data science industry coaches from top companies like Meta, Amazon, and Google.

    Market Position

    Positioned as 'the Leetcode for data science,' specializing in the niche intersection of coding, statistics, and business intuition that data roles require.

    Leadership

    Founders

    JF

    Jay Feng

    Co-Founder and CEO. Former Data Scientist at Nextdoor (2016-2018) and Monster (2014-2016). Education: University of Illinois Urbana-Champaign (UIUC).

    SF

    Shane Frykholm

    Co-Founder and CTO. Former Senior Software Engineer at Monster.

    Executive Team

    JF

    Jay Feng

    Co-Founder and CEO

    Former Data Scientist at Nextdoor and Monster.

    SF

    Shane Frykholm

    Co-Founder and CTO

    Former Senior Software Engineer at Monster.

    Founding Story

    Founder Jay Feng started Interview Query after helping a friend ('Bob') land a high-paying data science job. He noticed that while software engineers had LeetCode, data scientists lacked a structured platform for SQL, probability, and case-study interview preparation.

    Business Model

    Revenue
    $650,000 ARR in 2021; bootstrapped and profitable.

    Revenue Model

    Subscription-based SaaS (B2C) and partnership-based (B2B/Academic).

    Pricing Tiers

    IQ Coder
    $10 / mo (billed yearly)

    Basic access to technical questions and AI interviews.

    IQ Premium
    $17 / mo (billed yearly)

    Full access to all technical and behavioral content, courses, and increased AI interviews.

    Private

    Target Markets

    Industries & Segments
    • Individual job seekers (Data Scientists, MLEs, Analysts)
    • Academic institutions (Career Centers)
    • Technology companies hiring data talent
    Use Cases
    • Data science and machine learning interview prep
    • Technical skill assessment for hiring
    • Academic career services support
    • Continuing education for data professionals
    Notable Customers
    • Texas A&M University
    • 100,000+ individual members

    Quick Facts

    Headquarters
    San Francisco, California
    Founded
    2019
    Entity Type
    LLC
    Employees
    16
    Total Funding
    $0 (Bootstrapped)
    Investors
    Bootstrapped (Self-funded)
    Office Locations
    San Francisco

    History & Milestones

    2026

    Platform serves over 100,000 data science and engineering professionals.

    2025

    Published the State of Interviewing 2025 report.

    2024

    Published the 2024 Data Science Report; focused on EBITDA-margin growth.

    2021

    Tripled revenue to $650,000 annually.

    2020

    Reached approximately $216,000 in annual revenue.

    Key Capabilities

    7
    AI-generated mock interviews
    6,000+ company-specific interview guides
    In-browser SQL and Python code editor
    Curated learning paths with 350+ lessons
    Real take-home technical challenges
    Peer-to-peer mock interview community

    Integrations & Partnerships

    Platform Integrations

    • Stripe
    • Slack
    • Mixpanel
    • Segment.io

    Key Partnerships

    Texas A&M Institute of Data Science (TAMIDS)

    Connect

    Website
    interviewquery.com

    AI Topics

    3

    Interview Query focuses on these topics:

    AI Interview Help(1)
    AI Courses(1)
    AI Tutorials(1)
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