JavaScript Interview Prep
Sharpen your JavaScript fundamentals and advanced concepts—closures, prototypes, async programming, event loop, memory model, symbols, and more. Includes real interview questions with clear, concise answers.
Interview Prep Guides
Choose a technology to start your interview preparation journey. Each guide contains in-depth lessons, real interview questions, and concise answers.
Available Guides
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Node.js Interview Prep
Master the Node.js runtime, architecture, event-driven model, streams, clustering, performance optimization, and backend patterns.
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MongoDB Interview Prep
Learn indexing, schema design, aggregation pipelines, performance tuning, and real-world data modeling. Includes scenario-based questions.
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PostgreSQL Interview Prep
Master SQL queries, indexing strategies, transactions, ACID properties, and advanced PostgreSQL features for database interviews.
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Redis Interview Prep
Learn caching strategies, data structures, pub/sub, clustering, and performance optimization with Redis.
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DSA Interview Prep
Practice Data Structures & Algorithms—arrays, trees, graphs, dynamic programming, and common coding patterns.
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