Ace your technical interviews with preparation resources. Practice coding problems and system design.
LeetCode
📊 3000+ problems
Difficulty: Easy to Hard
Focus: Algorithms, DS
Free + Premium
HackerRank
📊 2000+ problems
Difficulty: All levels
Focus: Coding, SQL, ML
Free
Pramp
📊 N/A problems
Difficulty: Mock interviews
Focus: Peer practice
Free
CodeSignal
📊 1000+ problems
Difficulty: Easy to Hard
Focus: Assessments
Free
Interviewing.io
📊 N/A problems
Difficulty: Mock interviews
Focus: Anonymous practice
Free + Paid
AlgoExpert
📊 200+ problems
Difficulty: Curated list
Focus: Video solutions
Paid
📚 Data Structures
Arrays, Trees, Graphs, Hash Tables
📚 Algorithms
Sorting, Searching, DP, Greedy
📚 System Design
Scalability, Databases, APIs
📚 Behavioral
STAR method, Past experiences
📚 Frontend
HTML/CSS, JavaScript, React
📚 Backend
Databases, REST APIs, Security
• Practice consistently - at least 1 problem daily
• Understand concepts, don't memorize solutions
• Practice explaining your thought process out loud
• Time yourself to simulate real interview pressure
• Review and learn from your mistakes
• Do mock interviews with peers or platforms
• Study company-specific interview patterns
• Prepare questions to ask the interviewer