How to: Crack the Coding Challenge?

Do you need to crack a coding challenge? Here are some recommendations on how to prepare and to ace them!

Coding challenges can be tough for a number of reasons. Firstly, they are often time-limited, which means you have to solve the problem under pressure. Secondly, the problems are designed to be challenging and may require you to think creatively and outside the box to find a solution. Finally, coding challenges are usually part of a competitive job application process, which means you are up against other talented candidates. For these reasons, it's important to be well-prepared for coding challenges and to practice as much as possible beforehand. This blog article will help you become more comfortable with the types of problems you may encounter and improve your coding skills and problem-solving abilities.

1. Types of Coding Challenges: Understand the purpose of coding challenges that you might encounter in your upcoming interviews. Understand the purpose of coding challenges: Coding challenges are a common part of the technical job application process, particularly for positions in software development. These challenges are designed to assess your coding skills and problem-solving abilities, and to see how you approach a technical task. It's important to keep in mind that the main goal of a coding challenge is not necessarily to find the "correct" answer, but rather to see how you think and work through a problem. There are many different types of coding challenges that you may encounter during the job application process. Some common types of challenges include:

  • Algorithmic challenges: These challenges involve solving a problem using an algorithm, which is a step-by-step process for solving a problem.

  • Coding exercises: These challenges involve writing code to solve a specific problem or implement a specific feature.

  • Technical assessments: These challenges involve answering technical questions about computer science concepts, such as data structures and algorithms.

  • Paired programming: Supervised coding exercises where you might have no or only limited access to additional sources of information but must show your general working style under supervision.

2. Practice, practice, practice: The best way to prepare for coding challenges is to practice as much as possible. This will help you become more comfortable with the types of problems you may encounter, as well as improve your coding skills and problem-solving abilities. There are many websites and resources where you can find coding challenges to practice on, including: HackerRank, LeetCode, CodeFights, Project Euler.

3. Utilize online resources and communities: There are many online resources and communities that can help you prepare for coding challenges. Some helpful resources include: 

Online courses: There are many online courses available on platforms like Udemy, Coursera, and edX that cover topics like data structures, algorithms, and computer science fundamentals.

Online forums and communities: There are many online forums and communities where you can ask questions, get help with problems, and connect with other developers. Some popular communities include Stack Overflow, Reddit's /r/learnprogramming, and Quora.

Online coding bootcamps: These intensive programs can help you improve your coding skills and prepare for technical job interviews.

4. Consider working with a mentor or tutor: If you feel like you need more personalized help and guidance in preparing for coding challenges, you may want to consider working with a mentor or tutor. A mentor or tutor can help you identify areas where you need to improve, provide guidance on how to approach coding challenges, and offer advice on best practices for technical job interviews. There are many services that offer mentorship and tutoring for coding challenges, such as Coderust and InterviewBit.

We from hope this little overview on how to prepare for coding challenges is helpful!

Let us know if you have any other questions, or if we can assist you further in reaching your next dream job in tech. In that case, consider sending us your documents and letting us know what kind of position you are looking for.


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Jane Zurbrügg

Community Manager

I am currently finishing my Master in Business and Law at the University of St: Gallen. Having previously worked for ETH Zurich’s AI Center sparked my interest in tech and event management, which I can combine very well in Rockstar’s Event’s & Community Team.