The Mission
System design interviews are one of the hardest parts of the engineering hiring process. Most candidates practice by drawing on whiteboards with zero feedback.
DrawLint.ai changes that. Draw your architecture, get instant AI review, defend your choices, and improve iteratively.
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AI Reviewers
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Review Dimensions
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AI Providers
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Open Source
How It Works
Five steps from blank canvas to hire signal.
Draw
Excalidraw canvas with components, flows, annotations
Review
6 AI reviewers analyze NFR, Entities, Capacity, API, HLD
Verdict
Lead Reviewer synthesizes a hire signal from all reviews
Respond
Defend your choices — explain trade-offs and alternatives
Re-evaluate
AI reconsiders your signal based on your responses
Built With
Modern stack, zero compromises.
Next.js & React
App Router, RSC, SSR
Tailwind CSS
Utility-first styling
AI Providers
Azure OpenAI, Gemini
Cosmos DB
MongoDB API, global
NextAuth.js
OAuth + credentials
Framer Motion
Physics animations
100% Open Source
Every line of code is public under the MIT License. Audit it, fork it, contribute to it. No black boxes, no hidden logic.
View on GitHubBuilt by Om Sitapara
Software engineer passionate about making system design practice accessible to every developer.
Get in Touch
Questions, feedback, or feature requests? We'd love to hear from you.
drawlint.ai.support@gmail.com