Be a part of our community of 1M+ users who develop and demonstrate their skills on CodeSignal
5 courses
53 practices
4 hours
Master agentic engineering with Claude Code. Learn foundation basics, project customization, plan mode, and custom skill creation through hands-on data analysis and API development.
Learn what Claude Code is and master the basics: launch sessions, understand how Claude uses tools autonomously, and navigate the file system. You'll see Claude create files, run code, and manage conversations—all from your terminal.
Learn to customize Claude Code for specific workflows. Create persistent instructions with CLAUDE.md, control what Claude sees with context management, configure settings, and handle errors effectively. You'll work with a sales analysis project throughout this course.
Master power-user features: understand the evolution of Claude Code extensions, manage tool permissions, use Plan Mode for safe refactoring, delegate work to subagents, and leverage web access tools effectively.
Learn the Skills system—Claude's most powerful extension mechanism. Understand how Skills differ from custom commands, create practical skills for real workflows, and build multi-skill workflows where Claude automatically selects the right skill for each task.
Apply your Claude Code skills to a real project through progressive, hands-on exercises. You'll configure Claude Code for an existing codebase, implement multiple features using skills you created in previous courses, and practice error recovery techniques—all while building confidence with real-world workflows.
Hear what our customers have to say about CodeSignal Learn
I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!
Francisco Aguilar Meléndez
Data Scientist
+11
I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.
Faith Yim
Software Engineer
+14
It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.
Alex Bush
Full Stack Engineer
+9
I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.
Abbey Helterbran
Tech consultant
+8
I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.
Jonathan Miller
Senior Machine Learning Engineer
+12
I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!
