Top 6 Resources to Crush Tech Interviews in 2026 (Coding + System Design)
From LeetCode to System Design — the exact resources that actually deliver results
Hello guys, Preparing for a tech interview can be daunting, but having the right resources can make a significant difference.
In the past, I have shared 11 system design interview resources and Java interview books, and today, I am going to add a few more gems to that list.
This is courtesy of Alex Xu of ByteByteGo, with some enhancements and additions from my side.
By the way, if you are looking for a one-stop shop to prepare for a coding interview, then DesignGuru.io is a great place to start.
They have many Grokking courses to prepare for coding interviews, like OOP Design, System Design, Dynamic Programming etc and you can get access to all of their courses for a big discount by joining their All course bundle. You can also use code GURU to get 30% discount.
6 Best Resources for Tech interviews (SDE) in 2026
Here are some highly recommended tools and materials to help you succeed in various aspects of your tech interviews.
1. Coding Interview Preparation
AlgoMonster: Learn coding interview patterns that can be used to solve a variety of coding problems on LeetCode and NeetCode
Educative-99: a curated set of 99 coding interview questions designed to help candidates master 26 essential problem-solving patterns. It provides a hands-on, setup-free coding environment where users can efficiently practice and internalize coding patterns crucial for tech interviews, making it easier to tackle various coding challenges in a structured manner
LeetCode: Practice coding problems of varying difficulty levels.
NeetCode: Get access to a structured plan for mastering coding problems.
Cracking the Coding Interview: A comprehensive guidebook with 189 programming questions and solutions.
2. System Design Round
System Design Interview Books: Essential reads for understanding system design concepts and interview questions.
Grokking the System Design Interview by Design Guru: A practical guide to system design with real-world scenarios.
Codemia.io — Practice System Design Problems in Leetcode style on Codemia. They have more than 120 problems on System Design with editorial solutions and diagrams.
Designing Data-Intensive Applications: Learn about the architecture of data systems and how to design data-heavy applications.
3. Behavioral Interview
Tech Interview Handbook: A go-to resource for behavioral interview questions and tips.
A Life Engineered (YouTube): Insights and advice from industry professionals on YouTube.
STAR Method: A technique for answering behavioral questions by discussing the Situation, Task, Action, and Result.
4. Object-Oriented Design (OOD) Interview
Interview-ready: Tools and courses to help you prepare for OOD interviews.
Educative: Interactive learning paths for mastering design patterns and OOD principles.
Codemia.io — They have recently added OOAD sections with many questions like parking lot design, vending machine design and much more.
Head First Design Patterns Book: An engaging book that simplifies complex design patterns with practical examples.
5. Mock Interviews
DesignGurus.io: if you want to do mock interviews with ex-Facebook and Microsoft engineers on System design and coding interviews, then DesignGurus.io is a great place.
Interviewing.io: Practice interviews with experienced engineers.
Pramp: Pair up with peers to practice coding and system design interviews.
Meetapro: Book sessions with experts for personalized feedback and improvement.
You can also find mock interview videos on YouTube, like this, to get a feel before you actually book your mock interview session with these sites
6. Applying for Jobs
LinkedIn: Utilize the professional network to find and apply for tech jobs.
Monster: A comprehensive job search platform with numerous listings.
Indeed: Search for tech roles across various companies and locations.
That’s all about the best resources for coding and tech interviews in 2026. Cracking a coding or tech interview requires a lot of preparation and hard work, and while it’s definitely not easy to find a new job, especially your first job, with these resources at your disposal, you’ll be well-prepared to tackle any tech interview.
All the best with your next interview!!
All the best for your System Design Interviews. If you have any doubts or questions, feel free to ask in the comments.
P. S. — If you just want to do one thing at this moment, go join ByteByteGo and start learning System Design concepts. You will thank me later. Make it a goal for the new year, and you will surely be a better Software Engineer.
 | A guest post by
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