Top 10 Programmer Interview Questions and Their Answers [Updated 2024]

Sample Answer
I have proficient knowledge in Java, C++, Python, and JavaScript. For example, I used Java to develop a data management system at my previous job, and JavaScript was the main language when I was working on a web application project.

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At my last job, I was tasked to debug a code that wasn’t performing as expected. After thoroughly analyzing the code, I realised there was a problem with the logic in one section. I rewrote that specific section which resolved the issue, enhancing the overall functionality of the software.

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In my previous work, I’ve used tools such as Eclipse and IntelliJ for coding, JUnit for testing, and Jira for issue tracking and project management.

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In my last job, I was part of a team that developed a cloud-based application. As the lead developer, I coordinated with the team and also with other departments to ensure everything was going smoothly. We successfully completed the project within the stipulated timeline.

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I frequently visit sites like Stack Overflow and GitHub. I also attend webinars, and participate in online communities and forums. In addition, I take online courses to learn about new technologies and improve my skills.

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I am most comfortable with Python because of its simplicity and flexibility. It is a powerful language for developing both simple scripts and complex systems.

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In a recent project, I had to learn AngularJS to meet the client’s requirement. It was challenging, but I used online resources and within a few weeks, I was comfortable with the tool and completed the project successfully.

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I prioritize my tasks based on urgency and importance and try to stay organized to manage deadlines. For instance, in a previous project, we were behind schedule, so I prioritized the tasks, delegated appropriately and put in extra hours to ensure we met the deadline.

Sample Answer
Yes, I regularly perform unit testing to check individual parts of the code. I’ve also done integration testing. I use JUnit for testing and make sure to document any bugs or issues.

Sample Answer
I start by trying to understand the nature of the problem and its location in the code. I use debugging tools, breakpoints and print methods where needed. My approach is to make small changes, check if the error is resolved after each change, and keep track of the changes.