Learn proven strategies for increasing diversity on your engineering team

CodeSignal for IO Psychologists

Validated & research-backed technical skills assessments

Ensure fairness, compliance, and legal defensibility for your technical hiring process

Top employers of tech talent trust CodeSignal

A technical hiring company that speaks IO Psychology

Reduce bias

Minimize subjectivity and bias with assessments validated by our team of IO Psychologists

Ensure compliance

Maintain compliance with key regulations, including adverse impact to ensure fairness

Predict performance

Our Skills Evaluation Lab develops and maintains assessments that are valid predictors of performance

Features that IO Psychologists love

Assessment Validation

Consistently identify qualified candidates for your roles with Skills Evaluation Frameworks built from a research-backed set of requirements and guidelines

Adverse Impact Research

Ensure information used to make hiring decisions is fair for all demographic groups with adverse impact analyses conducted by our in-house IO Psychologists

Predictive Coding Score™

Evaluate candidates’ skills accurately with validated assessments and robust coding reports

Role-Specific Assessments

Measure what matters most for a wide variety of technical roles with assessments that are backed by research, job analyses, and hundreds of data points

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Hours spent developing each assessment
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Job descriptions reviewed for each assessment

Want to see CodeSignal in action?

Meet candidate needs with over 70+ supported languages and frameworks

Whether it’s a Pre-Screen, Tech Screen, or live Interview, the CodeSignal platform provides all the tools candidates need to show real-world skills. Choose from 70+ supported languages and frameworks, including:


JS & Mocha

Python & Unittest
C# & NUnit
C# & xUnit

Assess in-demand technical skills

Evaluate any technical talent—including specialized and senior-level roles—using CodeSignal’s industry-leading interview and assessment platform.

Data Scientist

ML Engineer

Data Engineer

Backend Engineer

Front-end Engineer

Web Developer

Full-Stack Engineer

React Developer

iOS Engineer

Android Engineer


QA/Test Engineer

Assessments for top tech skills

CodeSignal’s Skills Evaluation Frameworks are built from a research-backed set of requirements and guidelines that enable our customers to consistently identify qualified candidates for their roles.

Find the right frameworks to match the roles you’re hiring for

Get started with CodeSignal today

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