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CodeSignal Updates
Highlights from Beyond 2025: Building the super skills of the AI era
This November, our community came together in San Francisco for CodeSignal Beyond 2025—a day dedicated to exploring the skills, mindsets, and tools shaping the future of work. From the moment attendees arrived,…
CodeSignal Updates
A Conversation with Dr. Mary Papazian on the Future of Education
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Skill Validation
AI skills verification tools: 5 questions to ask before you choose yours

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 Recruiting
Get better hiring results with a full stack engineer testing platform
Tech Recruiting
What is a coding assessment platform? A practical guide for hiring teams
Tech Recruiting
Enterprise product manager assessment platform: Hiring the best PMs at scale

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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CodeSignal Updates
Highlights from Beyond 2025: Building the super skills of the AI era
CodeSignal Updates
A Conversation with Dr. Mary Papazian on the Future of Education
CodeSignal Updates
CodeSignal & RippleMatch: Expanding Access Through Verified Skills

All posts

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Technical project manager skills tests: How to identify and hire the right candidates

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How technical skills management platforms build stronger teams

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Business operations manager interview questions: 20+ examples and answers

Prompt engineering cheat sheet: 7 tips for accurate and authentic AI writing for any professional

Prompt engineering for business: 7 industries where it’s needed most

Making learning addictive is only half the job

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From IT to Elixir expert: How an info systems technician mastered new skills with CodeSignal Learn

Prompt engineering best practices 2025: Top features to focus on now

Top prompt engineering tools (that aren’t just for techies!)

Beyond the basics: The best prompt engineering projects for every industry

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How agentic AI is transforming the hiring process: Meet Interviewer Agents

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Hiring in the age of AI: A visual guide for talent teams