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Latest posts

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

Best AI assessment platforms in 2026

7 best skills-based hiring platforms in 2026

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

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

Best AI assessment platforms in 2026

7 best skills-based hiring platforms in 2026

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

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

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

Highlights from Beyond 2025: Building the super skills of the AI era

All posts

3 tips to build your candidate pipeline

Free-coding questions

CodeSignal named to 2019 CNBC Upstart 100 list

How we measure time complexity

Creating a new task

Free-form text

Standardized assessments

Asynchronous code

Introducing Certify: The standardized assessment for programming skills

Data analysis

CodeSignal named Leader for Technical Skills Screening Software by G2 Crowd

JavaScript UI tasks