Technical interviews for junior developers assess understanding of fundamental concepts such as OOP, databases, networks, and algorithms, and evaluate problem-solving and collaboration skills through development experience and team project participation.
It's crucial to showcase your expertise by providing detailed explanations of programs you've developed, challenges you've overcome, and your areas of interest within the field of development.
When preparing for interviews, it's effective to anticipate the types of questions interviewers might ask and prepare answers based on your own experiences.
Surviving as a Non-Computer Science Graduate Developer
#13. Technical Interview for Junior Developers
1. Explain the main functions and design methods of the program you developed.
This question is designed to assess the interviewee's ability to explain the functions and structure of a program they created independently. It's beneficial for the interviewee to provide a detailed explanation, along with mentioning any challenges faced during the problem-solving process and how they overcame them.
2. Explain Object-Oriented Programming (OOP). OOP is one of the most frequently asked concepts in interviews. The interviewer seeks to understand the interviewee's knowledge of the four principles of OOP (SOLID), along with the advantages, disadvantages, and characteristics of OOP.
3. Questions regarding Database Understanding The interviewer aims to assess the interviewee's ability to explain database modeling, SQL syntax, transaction processing, and other related concepts in detail.
4. Questions regarding Network Understanding The interviewer seeks to evaluate the interviewee's understanding of the OSI 7-layer model, TCP/IP model, and various network technologies.
5. Questions regarding Algorithm and Data Structure Understanding The interviewer aims to assess the interviewee's ability to explain the algorithms and data structures they have learned. Additionally, the interviewee can provide examples of how they can apply these concepts to solve problems efficiently.
6. Describe the difficulties you encountered during a team project and how you overcame them. This question is used to assess the interviewee's collaboration skills, problem-solving abilities, and communication skills. The interviewee should provide a detailed explanation of their role in the team project, the challenges they addressed, and the precautions they took when working with team members.
7. Explain the technology you are most interested in currently.
This question is designed to gauge the interviewee's technical passion and research capabilities. It's recommended that the interviewee provide a detailed explanation of their area of interest and the specific technologies they are researching within that field.