MasterDSA & Web Development
Your complete guide to acing technical interviews with optimized data structures, algorithms, and modern web development practices.
Three Pillars of Success
Everything you need to land your dream tech job, structured for optimal learning
Data Structures & Algorithms
Master fundamental concepts with optimized solutions
Arrays, Linked Lists, Trees, Graphs
Sorting, Searching, Dynamic Programming
Time & Space Complexity Analysis
Interview Preparation
Ace coding interviews at top tech companies
Company-specific interview patterns
Mock interview questions & solutions
System design fundamentals
Web Development
Build modern, scalable web applications
React, Next.js, TypeScript mastery
Backend with Node.js & databases
Deployment & best practices
Practice Problems
Interview Guides
Web Dev Projects
Free Access
Your Optimized Learning Path
Follow our proven roadmap from beginner to interview-ready
Foundation
Start with core concepts and basic data structures
Intermediate
Advanced algorithms and problem-solving patterns
Advanced
Complex systems and optimization techniques
Interview Ready
Mock interviews and real company questions
Ready to Start Your Journey?
Join thousands of developers who have landed their dream jobs using O1DSA. Start learning today, completely free.