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Interview Corner: All Resources To Crack Any Tech Interview

Last Updated : 21 Jun, 2025
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This article serves as your one-stop guide to interview preparation, designed to help you succeed across different experience levels and company expectations. Here is what you should expect in a Tech Interview, please remember the following points:

  • Tech Interview Preparation does not have any fixed syllabus. Different companies, roles, and hiring managers have their own approaches. However, a few patterns have become standard over the years.
  • One thing is, most of the companies take an online round first where they check your problem-solving skills using coding problems. Once you qualify the online coding round, you go to the next face-to-face technical rounds, that includes live coding and domain specific discussions.
  • For students, the most important topics are Data Structures and Algorithms (DSA), Object Oriented Programming (OOP), DBMS, OS, SQL, Web Development basics, AI, ML, and Data Science basics. Some companies ask Aptitude, Puzzle, and Design (Low Level and High Level) as well for internship.
  • For early working professionals, the process and topics are almost same as freshers, with addition of questions related to previous work experience and technologies they've previously used.
  • For more experienced working professionals, the process varies a lot. Some top product-based companies like Google ask DSA for all levels. However, there is going to be a lot more focus on System Design and technologies used in the previous companies.

Let us now explore different interview resources available on GeeksforGeeks.

Common Coding Resources

Here are the most helpful Tech Interview preparation resources covering all coding problems, company and topic wise:

Software Development

Here are all the essential resources to help you prepare for Software Development Engineer (SDE) roles across various levels and companies:

LLD and HLD

For Students

Web Development

Here are resources specially for Web Developer roles, including front-end and back-end focused interview questions:

Aptitude, MCQ, Puzzle & Computer Subjects

Python

Here are must-read resources for Python interview preparation, consisting basic to advance Python questions asked in interviews:

Data Science and Machine Learning

Data Analytics

Here are comprehensive resources for Data Analyst and Business Analyst interview preparation, covering tools, concepts, and real-world use cases:

Software Testing

Here are targeted resources for Software Testing and SDET interview preparation, covering both manual and automation testing roles:

Mobile App Development (Android Development)

Here are essential resources for Android developer interviews, covering application development concepts and role-specific questions from SDE I to SDE III:

DevOps

Here are top resources to prepare for DevOps interviews, including cloud computing and AWS-specific roles

Interview preparation can be challenging sometimes, but with the right resources and a structured approach, you can confidently tackle each stage. Whether you're a student aiming for internships, a fresher stepping into your first tech role, or a working professional looking to switch or grow, this GeeksforGeeks guide has something for everyone. Use this topic-wise and role-based resources shared above to strengthen your skills, practice consistently, and stay updated with what top companies are looking for.


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