Practice for technical interviews, system design, and behavioral questions.
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- Big-O Cheat Sheet Free
- Quick reference for time and space complexity of common data structures and algorithms.
- Blind 75 Free
- Curated list of 75 essential LeetCode problems for interview prep.
- Coding Interview University Free
- Complete multi-month study plan to become a software engineer at a major tech company.
- Exercism - Mentoring Free
- Free one-on-one mentorship for code improvement.
- Front End Interview Handbook Free
- Front end interview prep with HTML CSS and JavaScript questions and detailed answers.
- Grind 75 Free
- Curated list of 75 LeetCode questions with a customizable study plan the evolution of Blind 75.
- HackerRank - Interview Prep Kit Free
- Curated problems for interview preparation.
- HiredInTech Free
- System design and algorithm interview prep courses with structured lessons and examples.
- Impossible Interviews Free
- Collection of real interview questions from tech companies.
- Interactive Coding Challenges Free
- Interactive Python coding interview challenges with Anki flashcards for spaced repetition.
- Interviewing.io Free
- Free anonymous technical interview practice with real engineers.
- Pramp Free
- Free peer-to-peer mock interviews for technical questions.
- Tech Interview Handbook Free
- Free curated resources for technical interviews.
- Tech Interview Handbook Free
- Curated interview preparation guide covering algorithms, behavioral, and resume tips.
- The Daily Byte Free
- Daily coding interview questions delivered to your inbox with detailed solutions.
- Tushar Roy YouTube Free
- Coding interview problem walkthroughs and dynamic programming video tutorials.
- Byte by Byte Freemium
- Coding interview prep strategies and practice problems by a former Google engineer.
- ByteByteGo - System Design Interview Freemium
- System design interview preparation with visual architecture explanations.
- CareerCup Freemium
- Interview questions and mock interviews from practitioners.
- CodeSignal Freemium
- General coding assessment and interview prep platform.
- HackerRank Interview Prep Freemium
- Structured preparation kit for coding interviews.
- Hello Interview Freemium
- AI-powered interview prep with mock interviews and problem walkthroughs.
- NeetCode Freemium
- Free LeetCode solutions NeetCode 150 list and a structured roadmap for interview prep.
- Structy Freemium
- Structured coding interview prep focused on graph and tree problem patterns.
- AlgoExpert Paid
- Curated algorithm problems for interview prep.
- AlgoMonster Paid
- Learn coding interview patterns systematically with a flowchart by Google engineers.
- CoderPad Paid
- Live coding interview platform.
- Coderust Paid
- Interactive coding interview preparation course.
- Design Gurus Grokking Coding Paid
- Pattern-based coding interview course with solutions in Java Python C++ and JavaScript.
- Gainlo Paid
- Mock interviews with engineers from Google, Amazon, etc.
- Grokking the Coding Interview Paid
- Pattern-based approach to solving coding interview problems.
- Interview Buddy Paid
- Mock interviews with real engineers from top companies.
- Interview Cake Paid
- Interview preparation with guided practice problems.
- Interview Kickstart Paid
- Technical interview preparation program.
- Interview Ready Paid
- System design and coding interview prep platform.