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CodeSignal Updates
CodeSignal and TED partner to turn big ideas into real-world skills
Trivia question: What does TED stand for?  Answer: TED, the world-renowned conferences held across the globe, is an acronym for Technology, Entertainment, and Design. But really, TED stands for inspiration and the…
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Tech Recruiting
A quick and practical guide to technical skills screening software
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Tech Recruiting
Prevent and detect cheating in recruiting

Interview prep

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Interview Prep
Advice from CodeSignal CEO, Tigran Sloyan, on prepping for tech interviews & assessments
28 SQL interview questions and answers
Interview Prep
28 SQL interview questions and answers from beginner to senior level
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Interview Prep
22 senior software engineer interview questions (and answers)

Tech recruiting

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Tech skills screening blog cover
Tech Recruiting
A quick and practical guide to technical skills screening software
Blog cover for cheating detection and prevention blog
Tech Recruiting
Prevent and detect cheating in recruiting
Best coding interview tools of 2025 blog cover
Tech Recruiting
Best coding interview tools in 2025: Your ultimate guide for technical interviews

Engineering

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Engineering
A beginner’s guide to mastering data visualization with Matplotlib
Engineering
How to analyze large datasets with Python: Key principles & tips
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Engineering
How to learn C++: An upskilling guide for beginners

CodeSignal updates

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TED partnership blog cover
CodeSignal Updates
CodeSignal and TED partner to turn big ideas into real-world skills
TIME top EdTech companies 2025 award blog cover
CodeSignal Updates
CodeSignal recognized as a global EdTech leader by TIME
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CodeSignal Updates
CodeSignal joins forces with AWS to bridge the tech skills gap

All posts

Do you trust assessments?

Top 5 assessment questions answered

CodeSignal named Top Emerging Startup in HR Tech

3 key principles of good test design

Data-driven recruiting: What it is and how it’s done

3 benefits of early assessments

Top 3 benefits of framework-based assessments

Reimagining technical sourcing

CodeSignal named Leader in G2’s Winter 2020 report for Technical Skills Screening software

Top 2020 technical recruiting trends and predictions from the experts

3 things to consider when choosing an Applicant Tracking System

CodeSignal Co-Founder and CTO, Aram Shatakhtsyan, makes Forbes 30 Under 30