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Tips For Interviewers

Interviewing candidates is a crucial responsibility for any engineer, and the coding session is often the highlight of the technical evaluation. This session not only assesses a candidate's coding skills but also their problem-solving abilities, thought process, and collaboration potential. To ensure a smooth and effective coding session, here are some valuable tips for engineers who will be conducting interviews:

1. Understand the Role and Expectations

Before the interview, thoroughly understand the role the candidate is being considered for. Familiarize yourself with the job description, required skills, and the type of projects the candidate would be working on. This understanding will help you tailor the coding session to reflect the real-world challenges the candidate might encounter.

2. Prepare a Well-Defined Problem

Choose a coding problem that is both relevant to the role and appropriately challenging. The problem should be solvable within the allocated time frame but complex enough to evaluate the candidate's skills effectively. Clearly define the problem statement, input/output expectations, and any constraints.

3. Provide a Thoughtful Environment

Create a welcoming and comfortable atmosphere for the candidate. Explain the interview format, the purpose of the coding session, and reassure them that it's okay to ask questions or seek clarifications. This will help alleviate nerves and set the tone for effective communication.

4. Assess Problem-Solving Approach

During the coding session, focus not just on the candidate's ability to write code but also on their problem-solving approach. Pay attention to how they analyze the problem, break it down into smaller parts, and formulate a plan before diving into code. This reflects their critical thinking skills and ability to design solutions.

5. Emphasize Communication

Strong communication skills are essential for engineers. Encourage the candidate to talk through their thought process as they work on the problem. This allows you to understand their thinking, offer guidance if needed, and assess how well they can explain their ideas to others.

6. Collaborate and Offer Help

If the candidate gets stuck, don't hesitate to offer hints or guidance to help them get back on track. This doesn't necessarily indicate weakness on their part;rather, it shows their willingness to collaborate and learn. Remember, it's not just about finding the right solution, but also about how they approach challenges.

7. Evaluate Coding Style and Quality

While the end result matters, pay attention to the candidate's coding style and the quality of their code. Are they following best practices? Is their code readable and maintainable? This provides insights into how well they would integrate with the existing team and codebase.

8. Time Management

Keep track of time during the coding session to ensure that the candidate is making steady progress. If they are running out of time, consider adjusting expectations or focusing on specific aspects of the problem that are most critical.

9. Encourage Questions

At the end of the session, give the candidate an opportunity to ask questions about the company, team dynamics, or any other relevant topic. This demonstrates their genuine interest in the role and helps them make an informed decision.

10. Provide Constructive Feedback

After the coding session, take time to provide feedback. Highlight what the candidate did well and areas where they could improve. Constructive feedback helps candidates understand their strengths and weaknesses and provides valuable insights for their growth.


Conducting a coding session during an interview is not just about evaluating a candidate's technical skills;it's about gauging their problem-solving skills, communication abilities, and collaborative mindset. By following these tips, you will be better equipped to conduct a successful coding session that identifies top talent and ensures a positive candidate experience.

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