With AI now capable of writing large amounts of code, the role of software engineers is changing.
Writing code is no longer the bottleneck.
Designing the right system and reviewing AI-generated code critically is.
That belief is why I built CodeSensei.
👉 https://codesensei-study.vercel.app/en
The Idea Behind CodeSensei
AI can generate code quickly, but it cannot:
- Decide what should be built
- Choose appropriate abstractions
- Judge whether a solution is correct, safe, and maintainable
Those responsibilities still belong to engineers.
CodeSensei is built around a simple idea:
In the AI era, engineers are valued for design thinking and code review skills, not just typing speed.
What This Site Is (and Is Not)
What It Is
- A place to practice reading and understanding code
- A way to sharpen design judgment
- Training for reviewing correctness, structure, and intent
What It Is Not
- A competitive coding platform
- A grind-heavy problem-solving site
- A tutorial that teaches syntax from scratch
The focus is thinking, not typing.
Why This Matters Now
As AI tools become more capable:
- Poor design decisions scale faster
- Bugs introduced by AI are harder to notice without strong review skills
- Engineers who cannot evaluate AI output become replaceable
CodeSensei exists to strengthen the skills AI cannot replace.
Design Principles
- Concept-first: Understand why before how
- Minimal UI: No gamification, no noise
- No forced login: Start thinking immediately
- Clarity over volume: Fewer problems, deeper understanding
Who This Is For
- Engineers working with AI-assisted coding tools
- Developers who review more code than they write
- Anyone who believes software quality starts with design
If you see AI as a collaborator—not a replacement—this site is for you.
Tech Stack (Brief)
- Next.js / React
- Vercel
The implementation is intentionally simple to keep the focus on ideas, not infrastructure.
What’s Next
Planned directions include:
- More design-focused exercises
- Code review–oriented examples
- Content explicitly built around AI-generated code scenarios
The goal is depth, not scale.
Feedback Welcome
This project reflects my view of where engineering is heading.
If you agree—or disagree—I’d like to hear your thoughts.
🔗 https://codesensei-study.vercel.app/en
Thanks for reading.
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