Trending
Most popular this week- 🔥
Dynamic Programming
Most solved this week📚 42 Lessons
- 🚀
Spring Boot
Backend Hiring Favorite📚 58 Lessons
- 🏗️
System Design
Interview Essential📚 37 Lessons
- ⚛️
React
Frontend Development📚 29 Lessons
- 🕸️
Graph Algorithms
Advanced DSA📚 63 Lessons
- ⚡
Java Collections
Core Java📚 34 Lessons
- 🧠
Operating Systems
CS Fundamentals📚 48 Lessons
- 🌐
Computer Networks
Interview Ready📚 31 Lessons
- 🗄️
DBMS
SQL & Design📚 40 Lessons
- 🐳
Docker
DevOps📚 22 Lessons
Live Contests
Upcoming coding events🟢
LeetCode
Weekly Contest 463
🕒 Sunday • 8:00 PM🔵
Codeforces
Round #1049
🕒 Saturday • 7:35 PM🟠
CodeChef
Starters 195
🕒 Wednesday • 8:00 PM🟣
AtCoder
Beginner Contest
🕒 Saturday • 5:00 PM🟡
HackerRank
Hiring Challenge
🕒 Friday • 6:00 PM🔴
GeeksforGeeks
Weekly Coding
🕒 Sunday • 9:00 PM🟢
AlgoGalaxy
Galaxy Sprint
🕒 Every Friday🟠
Coding Ninjas
CodeKaze
🕒 Monthly🔵
InterviewBit
Mock OA
🕒 Daily🟣
TopCoder
SRM
🕒 ThursdayContinue Learning
Resume where you left off☕
Java
Collections Framework72%
🍃
Spring Boot
JWT Authentication41%
🐳
Docker
Docker Compose18%
📨
Kafka
Producer API67%
⚡
Redis
Caching54%
☁️
AWS
EC2 Deployment35%
📦
Microservices
Service Discovery46%
🔐
Spring Security
OAuth281%
⚛️
React
Hooks58%
🧩
LLD
Observer Pattern26%
Bookmarks
Quick access to saved topics- 📑
Sliding Window
DSA - ⚡
Kafka
Backend - 💾
Redis
Database - 🖥️
Operating Systems
CS Core - 🌐
HTTP & HTTPS
Networking - 🧠
LRU Cache
Design - 🔒
Authentication
Backend - 📦
Docker
DevOps - ☁️
Kubernetes
Cloud - 📊
Load Balancer
System Design
Daily Challenge
Earn XP & maintain your streakLongest Increasing Subsequence
Word Ladder
Binary Tree Paths
LRU Cache
Merge Intervals
Best Time to Buy Stock
Two Sum
Course Schedule
Clone Graph
Trapping Rain Water
Interview Focus
Topics frequently asked by top companies- Ci
Cisco
🎯 Spring Boot APIsFocus - Am
Amazon
🎯 Graphs & TreesFocus - Ad
Adobe
🎯 System DesignFocus - Mi
Microsoft
🎯 Dynamic ProgrammingFocus - Go
Google
🎯 Greedy AlgorithmsFocus - Ub
Uber
🎯 LLDFocus - Or
Oracle
🎯 Java MultithreadingFocus - Go
Goldman Sachs
🎯 ArraysFocus - JP
JPMorgan
🎯 SQL & DBMSFocus - Wa
Walmart
🎯 MicroservicesFocus
Learning Stats
Your coding journey🔥
41
Day Streak🧩
782
Problems🎓
19
Courses🏅
8
Certificates⏱️
1243
Hours🌍
#1234
Ranking🎖️
42
Badges💻
27
Projects🎯 Interview Readiness
92%
Tip of the Day
Small habits. Massive growth.🚀 Solve one Hard problem every Sunday.
💡 Revise yesterday's topics before learning new ones.
🧠 Learn one design pattern every week.
⚡ Build one REST API every weekend.
📦 Dockerize every backend project.
☁️ Deploy every finished project to the cloud.
🔍 Read source code of one library every month.
🏗️ Practice one LLD question daily.
📈 Track coding streaks consistently.
🎯 Apply to at least 10 companies every day.
