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Mastering Technical Interviews: Common Questions and Strategies for Success

~ 5 min read
Mastering Technical Interviews Common Questions and Strategies for Success


When we talk about the technical interview, then we mean an interview to assess your technical abilities, as well as your knowledge in the field. Your technical interview will also test your problem-solving, communication, and thinking skills. This blog presents you with a few suggestions on how to perform exceptionally well in technical interviews. With proper guidance and direction, you may increase your chances of being successful in such interviews. Interviews for technical positions are the best chance to present your skills. Thus, it is essential to be well-prepared for them. Here are some common questions and strategies to consider for technical interviews:




  • Explain the concept of time complexity and space complexity?
  • Implement a sorting algorithm (e.g, quicksort, mergesort).
  • Discuss the efficiency of various search algorithms?

Coding Challenges:

  • Solve a coding challenge involving arrays or strings?
  • Implement a binary search algorithm?
  • Find the intersection point of two linked lists?

Data Structures:

  • Discuss the advantages and disadvantages of using a hash table?
  • Implement a stack using arrays or linked lists?
  • Describe the characteristics and use cases of a binary tree?

System Design:

  • Explain the components of a scalable and fault-tolerant system?
  • Discuss the differences between monolithic and microservices architectures?
  • Design a distributed caching system?


  • Explain the differences between SQL and NoSQL databases?
  • Optimize a SQL query for better performance?
  • Design a schema for a social media platform?

Operating Systems:

  • Explain the purpose of an operating system?
  • Discuss the differences between processes and threads?

Coding Practices:

  • Discuss the importance of code readability and maintainability?
  • Explain the principles of object-oriented programming?
  • Demonstrate exception handling in your preferred programming language?

Problem-Solving Scenarios:

  • Solve a real-world problem related to the company’s domain?
  • Discuss a challenging project you’ve worked on and how you overcame obstacles?
  • Explain how you approach debugging and troubleshooting?

Behavioural Questions:

  • Describe a situation where you had to work under tight deadlines?
  • Discuss a project where you collaborated with a diverse team?
  • Explain how you handle conflicting priorities?

Share an experience where you had to quickly learn a new technology.

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Mastering the SDET Interview: Common SDET Questions and Best Practices

Recognize the Job Requirements:

The priority when a job opportunity presents itself is for the job requirements and desired skills of the company to be understood before preparing for the technical interview. The primary qualities prioritized in a technical applicant are determined by carefully examining the job description and familiarizing oneself with the company’s technological stack.

Determine the primary qualities the business prioritizes in a technical applicant by carefully examining the job description and familiarizing oneself with their technological stack. 

Engage in deliberate practice of each ability before the interview to showcase your comprehension. Engaging in a concise web search may help you regain your memory of the company’s objectives, values, and mission. You will also learn about their services, which may aid you in resolving technical interview issues. You may use this information to direct your preparation efforts where they will have the most impact.

Review the Fundamentals:

In the context of technical interview, questions are often asked on basic programming ideas and fundamental computer science information. In addition to other core subjects, you should brush up on your understanding of data structures, algorithms, and object-oriented programming. To build your foundation, review relevant textbooks and internet resources or enroll in appropriate classes. Reviewing your most excellent work and providing supporting statistics might help you stand out to interviewers.

Present Yourself:

You may want to wow the interviewer with your rapid thinking and talents, but take patience and explain each step of your thought process so they understand why you’re making your own decisions. They want to see how you manage new and challenging situations, so detailing your process might help you to stand out.

Be honest if you can’t accomplish anything! Technical professionals need to learn from others and be open to new challenges, which may seem paradoxical. Ask for help if you need it. Employers prefer this to pretending you know what you’re doing.

In IT, there are generally a few “right” ways to tackle an issue, so demonstrating to the interviewer that you can see it from different angles helps demonstrate your competence.

Practice Coding:

It is generally accepted for technical evaluations to include coding interviews as a component. Spend some time practicing code tasks made available by credible coding sites. Starting with more accessible issues and working your way up to more difficult ones is a good strategy. Concentrate on grasping problem-solving strategies, developing tidy code, and providing optimized solutions.

Offering solutions to Practical Issues:

Apart from coding challenges, technical interviews may encompass scenarios that necessitate the candidate to solve tangible problems encountered in the real world. Engaging in open-source collaborations, doing project work, or becoming a member of coding communities are all excellent methods to enhance your capacity to apply technical expertise to practical situations. Engaging in this valuable experience will improve your aptitude for problem-solving and demonstrate your competence in tackling real-world challenges.

Practice System Design:

System design is an essential skill because it shows how well you can make solutions that work well and can be used by many people. Learn about the basics of system design, the most common building patterns, and the things you should consider when growing. To make systems that work in different circumstances, you should have experience, especially speed, stability, and growth.

Similar interviews should be conducted, creating realistic interview scenarios to prepare thoroughly. Seek the help of friends with technical expertise, or seek professional help for better understanding. Engaging in practice interviews can enhance understanding of the interview process, strengthen communication skills, and provide valuable insights into areas that need additional work.

Maintain Knowledge of Industry Trends:

Technical interviews are mostly comprised of inquiries regarding technological characteristics and the latest advancements. It would be highly recommended to engage in online counseling and join online communities to stay up-to-date with the latest advancements in your field. Showing that you understand new technologies and trends is a way to demonstrate your passion and commitment to continuous learning.

Successfully Communicate:

Technical interviews are designed to gauge a person’s ability to evaluate their approach and technical skills. It is advised to master your capability to express your ideas swiftly and accurately. It is considered vital to express with clarity and precision articulating methodologies and assumptions with proper reasoning. Good communication plays a vital role in aiding in interviews and helping interviewers to judge your problem-solving skills and technological thought process.

Be Inquisitive and Proactive: 

When the interview is near its completion, the interviewers ask about any questions that you might have. It is recommended to show enthusiasm in the role they are offering and be prepared for thoughtful inquiries that will help give you insights into the company and the team or projects you might be a part of shortly. It will not just only clear out your concerns but will also help you decide whether you want to take the job or not if an offer is extended.


In conclusion, to succeed in technical interviews, you should have a strong command of knowledge and the ability to solve problems confidently. Additionally, it’s important to express your thoughts and be prepared clearly. It’s advised to start gaining clarity in advance according to your local level to maintain consistency, increasing your chances of success. It’s also suggested that you refresh basic proposals, participate in coding and system design exercises, accept advancements in your field, and focus on improving your verbal communication. Having the ability to conduct interviews can enhance your business opportunities. It’s essential to prepare yourself in various ways, clearly express your future brilliance, demonstrate your compatibility with the company’s culture, and independently and efficiently face any difficulties during the interview process. This way, you can increase your chances of securing a job.

Understanding the importance of being skilled and prepared to excel in technical interviews is extremely important. Each interview should also be seen as an opportunity to gain new perspectives and understanding, and it’s crucial to express your passion for showcasing your skills and understanding during this time. By implementing current practices, job interviews can be improved. Various suggestions, such as complete preparation and self-reliance in conversation, assist the hopeful in achieving success.

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Artur Aliev

Artur Aliev

Since 2013 i am building a vibrant online presence for e-commerce and retail brands across diverse industries. In 2021 I turned my passion towards the exciting world of programming and turned newfound knowledge into insightful articles that guide and inspire learners of all levels. While working with WEDEVX for almost a year i learned a lot about software testing, QA and coding bootcamps firsthand from instructors and top-earners in their field.


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