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Latest posts

What 50 million job postings tell us about the 2026 skills economy

Best Skills Assessment Software 2026

AI Interview Proctoring: What It Is, How It Works, and Best Practices for Hiring

Interview prep

Advice from CodeSignal CEO, Tigran Sloyan, on prepping for tech interviews & assessments

28 SQL interview questions and answers from beginner to senior level

22 senior software engineer interview questions (and answers)

Tech recruiting

Best Skills Assessment Software 2026

AI Interview Proctoring: What It Is, How It Works, and Best Practices for Hiring

AI Job Simulation Tools: Are they ready for hiring decisions?

Engineering

A beginner’s guide to mastering data visualization with Matplotlib

How to analyze large datasets with Python: Key principles & tips

How to learn C++: An upskilling guide for beginners

CodeSignal updates

What 50 million job postings tell us about the 2026 skills economy

The CodeSignal MCP: Skills Intelligence, Connected to Any AI Tool

How San José State climbed to #2, and why their deans saw it coming

All posts

How Greenhouse hires: Processes, tools, and partnerships

How CodeSignal makes it easy to write and run unit tests for a coding assessment

How Greenhouse diversifies its hiring pipeline while growing its team by 3x

The power of persistence: Building a new architecture for interviews

The unique role of Assessment Design Engineers at CodeSignal

5 things to keep in mind when setting a technical bar for your assessments

How CodeSignal’s QA team ensures we can rapidly ship releases to customers

We’ve upgraded our virtual whiteboard

CodeSignal springs forward in G2’s Spring 2021 reports

How to avoid issues with your HTML email formatting

Exploring the CodeSignal IDE, Part 2: The terminal

3 numbers you need to know when designing a technical assessment