One platform for your entire engineering journey
Backend, frontend and everything between — Java, Python, DSA, SQL, system design, HTML and CSS, JavaScript, TypeScript and React. With Aria, your AI tutor, explaining concepts your way, reviewing your code and running full mock interviews with written feedback.
Everything you need to crack your dream job
Core CS
DSA
Java
Python, AI & Frontend
Interview
Why we exist
The problem was never finding content
The internet is full of brilliant free teaching. You can find a hundred videos on Java, DSA or System Design and still be stuck on the same questions.
- “What should I learn first?”
- “Which resource should I trust?”
- “What should I learn next?”
- “Am I actually improving?”
- “What should I practice?”
- “Am I ready for an interview?”
AiCanCode exists to answer these.
Start with a structured pathMeet Aria, your personal Aria
Aria knows your goals, tracks your progress, and gives you exactly what you need to level up — whether that's explaining a concept, reviewing code, or building your interview plan.
- Explains concepts in your own words
- Personalised study plans for your goals
- Instant answers, 24 × 7
- Interview prep with real feedback
Aria · AI Tutor
Hey there! 👋
I'm Aria, your personal AI tutor. Ask me anything across software engineering — a concept you're stuck on, code to review, a design to think through, or what to learn next.
Aria · AI Tutor
Platform Overview
See AiCanCode in action
Watch how engineers use AiCanCode to master interviews and crack their dream job.
Knowledge Map
Every topic, one map
800+ concepts across Java, Python, DSA, and DevOps — expand a branch, click a topic, start learning.
Built for depth
Every concept explained from first principles - not just what it is, but why it works and when to use it.
Interview-focused
Every topic is framed around what interviewers actually ask. Quizzes, projects, and certifications keep you sharp.
Aria, always by your side
Ask anything, anytime. Aria explains concepts, builds your study plan, and reviews your code — all inside the platform you already use.
Learning Tracks
What do you want to master?
All free to explore · No sign-up needed
Core CS
OS · Networks · DBMS · Theory
Operating Systems
Processes and threads, scheduling, deadlocks, virtual memory and paging — the answers every interviewer circles back to.
Computer Networks
What actually happens between typing a URL and seeing a page — TCP, DNS, HTTP, TLS, and the layers underneath.
DBMS & SQL
SQL from first SELECT to window functions, plus the engine underneath — indexes, transactions, isolation and query plans.
CS Theory
Automata, compilers, computer organisation and digital logic — the subjects a CS degree assumes you will pick up somewhere.
DSA
Concepts · Patterns · Problems
DSA & Algorithms
Arrays, trees, graphs, DP — every major topic with Java code, complexity tables, and real FAANG interview questions.
Patterns, not luck
Sliding window, two pointers, monotonic stack — learn the handful of shapes that most interview problems reduce to.
Practice & The Sheet
A structured problem sheet plus a runnable Java editor — solve, run, and check against the expected output in the browser.
Java
Core Java · Spring Boot · Microservices
Java A–Z
JVM internals, OOP, Collections, Streams, Concurrency, and Java 21 virtual threads — the way senior engineers know it.
Spring Boot
Beans and the container, REST, data access, security and actuator — from a first controller to something you can deploy.
Microservices
Service boundaries, inter-service calls, resilience, and the messaging layer — Kafka and RabbitMQ — that holds it together.
Design
System Design · Low Level Design
System Design
System Design from fundamentals to real-world interviews — scaling, caching, sharding, CQRS, saga, real-world designs, and observability.
Low Level Design
SOLID principles, all 23 GoF design patterns, and real-world LLD problems with full Java implementations.
Python / AI
Python · AI Engineering
Python Fundamentals
Core Python from syntax to OOP, async, decorators, and data structures — the foundation for every Python career path.
AI Engineering
Build AI-powered apps with Claude API, OpenAI, LangChain, RAG pipelines, and MCP-based agents — in Python and Java.
Frontend & Full-Stack
HTML · JS · React · Next.js
HTML, CSS & Responsive
Semantic markup, the cascade and box model, flexbox and grid, and layouts that hold up on a mid-range Android.
JavaScript & TypeScript
Written for people who already know Java or Python — closures, this-binding, the event loop and structural typing, where your instincts are wrong.
React
Weighted towards where juniors actually fail: state in the wrong place, effects misused, data fetching with no loading or error state, and forms.
Next.js
React plus a server. Server Components and the App Router, the four caching layers, server actions, and what changes once it is deployed.
Full-Stack Integration
The seam nobody teaches — CORS and preflights, where the token lives, error contracts, idempotency, and deploying both halves.
Also included
Practice, tools and what’s hot
Test yourself
Java, Spring Boot, System Design, Kafka — timed quizzes by topic and difficulty. Every wrong answer comes with an explanation.
Browse quizzes106+ free tools
JSON formatter, regex tester, password generator, image compressor and more — all free, no sign-up required.
Explore toolsTrending in 2026
Based on latest Indian JDs
Interview Prep by Company
Curated Q&A for your target company
A note from the founder
I want to say something openly.
There is an incredible amount of knowledge available on the internet today — much of it completely free. YouTube is filled with exceptional teachers, developers, engineers and creators who generously share their knowledge with the world.
AiCanCode was never created because the internet doesn’t have enough content.
It was created because having access to knowledge and knowing how to learn are two different things.
We are bringing together some of the best publicly available learning resources, including high-quality content from YouTube, and organizing them into meaningful, structured learning paths.
When we point you to someone else’s video, the view, the credit and the channel stay with the person who made it. That is how it should be. We are not trying to replace the educators already teaching the internet — we want to help more students find them, understand them, and turn what they teach into real skills.
But curation is only the beginning.
On top of that, we are building an experience that understands you — your goals, your current level, your gaps and the skills you need to develop. You can learn with an AI tutor, practice what you learn, ask questions, work through interview problems, build your skills step by step and receive guidance along the way.
Our belief is simple:
You shouldn’t have to spend money to access knowledge.
You should have the choice to invest in guidance, personalization, practice and outcomes.
That is why AiCanCode has different experiences.
- Free
- is for anyone who wants to learn and explore.
- Pro
- is for learners who want a more personalized and powerful learning experience.
- Elite
- is for learners who want deeper guidance, advanced preparation and a more complete journey toward their goals.
- On-Campus
- is for colleges and institutions that want to bring structured, AI-powered learning and career preparation to their students at scale.
And honestly, we are still building. There is so much more we want to create.
So if you are a student, developer, educator or someone who simply believes that learning should be more accessible and more personal — come build this journey with us.
Learn from the best. Learn at your own pace. Practice with purpose. And let AiCanCode help you figure out what to learn, why to learn it, and what to do next.
Akshay
Founder · aicancode.org
Start your journey today
Courses, DSA, system design, quizzes, tools - everything you need to grow as an engineer, in one place.