Case Study

DevCoach

DevCoach is a full-stack learning platform that helps developers practice by working through real-world coding projects. It uses AI to generate project ideas, break them into steps, and reveal hints or solutions only when users need support.

Developer learning toolSelf-initiated
DevCoach's cover image

Key metric

3

Guided Learning Layers

Outcome

Structured projects into ideas, step-by-step tasks, and gated hints/solutions to improve problem-solving.

Tools

TypeScriptNext.jsAnthropic AILemon SqueezyMongoDB

Contributions

  • Frontend development
  • Backend development
  • Anthropic AI integration

Challenges

A key challenge was designing an experience that motivates developers to think independently while still offering support when they need it. This required developing a progressive guidance system without making the app feel like a tutorial.

Another challenge was enforcing fair use when using external AI APIs while maintaining a smooth user experience.

Solutions

I used Anthropic AI to generate project ideas and step-by-step breakdowns, and structured the interface to reveal hints and solutions gradually. This encourages users to try solving problems themselves before seeking help—mimicking how real developers work.

To manage costs, I implemented credit-based access. Projects are protected behind user authentication using NextAuth, and data is stored in MongoDB for persistence and tracking.

Notable features

  • AI-generated project ideas tailored for individual developers
  • Step-based project flow with gated hints and solutions
  • Credit system integrated with Lemon Squeezy
  • Secure project access via NextAuth authentication
  • Real-time project progress tracking
  • Clean, responsive dashboard built with TypeScript and Tailwind CSS

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