Free while early — no card required

Learn with an AI mentorthat knows what you know.

Praxis follows what you learn and where you struggle — then tells you exactly what to practice next.

Lucy
praxis924 / onboarding
onboarding · step 1 of 3

What are you aiming for?

Land my first dev job
Clear DSA interviews
Go deeper on backend
Lucy is building your path…

What you'll practise against

What you actually get

See all of it before you sign up.

Seven surfaces, one loop. Pick whichever one sounds like your week.

Nobody can tell me why I keep making the same mistake.

Lucy grounds herself in the lesson you're on, cites the section she used, and connects today's error to the one you made last week. She won't hand over the answer — she makes you say why it works.

chat · Lucy
Grounded in Big-O Notation
why is my solution O(n²)?
Because you scan the array again inside the loop. Tell me why a hash map fixes it before you write it.
Big-O Notation · Key principles
Ask Lucy anything…

Every screen here is a surface that ships today — not a roadmap.

How It Works

Learn. Practice. Prove.

Three steps, one loop — with a mentor watching how you move through it.

01

Learn

Pick a technology. Praxis builds a structured path from basics to advanced — every lesson reviewed and scored before you ever see it.

A real curriculum
02

Practice

Every exercise is graded with line-level feedback, not just pass/fail. When you're wrong, you find out exactly why — and what to do about it.

Feedback that explains
03

Prove

A full mock interview that adapts to your answers and ends with a /100 score, broken down the way a real debrief reads.

Scored /100

The Full Platform

Everything around the loop.

A roadmap so you know where to start, an app you can install, and a small community learning alongside you.

A personal roadmap

Stop guessing what to learn next. Follow an ordered path built for the level you're targeting — and let it adapt as you go.

See roadmaps

Install it like an app

A full PWA — add it to your home screen on phone or desktop. No app store, no download wait.

Start free

Quiet reminders

Opt in to web push and get a nudge when you've drifted. You control it; turn it off any time.

Create an account

A small, real community

Follow people, message mutuals, ask questions under any lesson. It's small today — we're honest about that.

Meet the people

The Builders

Two people build this.

No company behind it, no growth department — just the two of us, in the open. When you report something broken, one of us reads it.

Prashant Rajan

Product & engineering

Jayant Singh

Product & engineering

Curious how it gets built? The build journal is where the decisions get written up.

FAQ

Honest answers.

Free to start

Your next skill starts with one lesson.

Pick a technology. Get a full AI-generated curriculum. Run your first graded practice session in under 5 minutes. No setup, no credit card.

Or help it grow — contribute a lesson

Start practicing free

No card · Free while we're early

Get started