JOB HUNTING TECHNICAL INTERVIEW CHEAT SHEET KEY CONCEPTS AND TERMS

Jan 17, 2024

19 Min Read

1. What is the purpose of a technical interview in the job hunting process?


The purpose of a technical interview is to assess a candidate’s knowledge, skills, and abilities related to the specific technical requirements of the job. It allows the employer to get a better understanding of how the candidate would perform in the role and if they possess the necessary technical expertise for success. Technical interviews also help employers assess problem-solving abilities, critical thinking skills, and how well a candidate can apply their knowledge in real-world situations. They are an important part of the job hunting process as they provide insight into a candidate’s capabilities and suitability for a technical position.

2. How can you prepare for a technical interview?


1. Research the company: Do some research about the company’s history, products, services, and current projects. This will help you better understand the company’s culture and technology stack.
2. Review your own skills and experience: Familiarize yourself with your own resume and highlight any relevant skills or experience that you can speak to during the interview.
3. Understand the job requirements: Make sure you have a good understanding of the job requirements and how they align with your skill set. This will help you tailor your answers during the interview.
4. Brush up on technical concepts and skills: Technical interviews often involve coding or problem-solving exercises, so it’s important to review common programming concepts, algorithms, data structures, and other relevant technical skills.
5. Practice coding challenges: Solve coding challenges on platforms like HackerRank or CodeChef to sharpen your problem-solving skills and familiarize yourself with different types of problems that may be asked during the interview.
6. Practice talking through your thought process: In a technical interview, it’s not just about getting the correct answer but also how you arrived at it. Practice talking through your thought process when solving problems to help you effectively communicate during the interview.
7. Prepare for behavioral questions: Along with technical questions, many interviews also include behavioral questions that evaluate how you work in a team, handle conflicts or challenges, and deal with time constraints.
8. Keep up-to-date with industry trends: Stay updated on new technologies and trends in your field by reading tech blogs or attending webinars or conferences. This will show that you are passionate about learning and keeping up with industry developments.
9. Get familiar with common tools and languages: Familiarize yourself with popular development tools and languages used in the industry, such as Git for version control, JavaScript for front-end development, etc.
10. Have a positive attitude: Show enthusiasm for technology and ask thoughtful questions during the interview to demonstrate your interest in the role.

3. What do employers typically look for in a technical interview?


Technical interviews are usually conducted by employers in order to assess a candidate’s skills and knowledge in their field of expertise. The specific criteria they look for may vary depending on the industry and position, but some common elements include:

1. Technical Knowledge and Skills: Employers want to know if the candidate has a deep understanding of the technical concepts relevant to the job. They may ask questions about programming languages, algorithms, data structures, design patterns, databases, or other relevant topics.

2. Problem Solving Abilities: Employers typically present candidates with real-world problems or coding challenges and expect them to come up with efficient and creative solutions. This helps them evaluate the ability of a candidate to think critically and solve complex problems.

3. Coding Skills: Depending on the job requirements, an employer may evaluate candidates’ coding proficiency and efficiency by asking them to write code or solve coding problems on a whiteboard or computer.

4. Communication Skills: Employers often look for candidates who can effectively communicate technical information in a clear and concise manner. This is important as the candidate may need to collaborate with other team members or explain technical concepts to non-technical stakeholders.

5. Attention to Detail: Candidates must have strong attention to detail when it comes to writing code or working on projects that require precision and accuracy.

6. Adaptability and Learning Ability: In rapidly changing industries such as technology, employers seek candidates who have a willingness to learn new technologies quickly and adapt their skills accordingly.

7. Past Experience/Projects: Employers also consider candidates’ past experience, projects they’ve worked on, and any relevant achievements that showcase their abilities.

Overall, employers want to assess if a candidate is technically competent, has strong problem solving abilities, can work well in a team setting, and show potential for growth in the company.

4. Can you explain the difference between hard skills and soft skills?

Hard skills are specific and technical abilities that are acquired through education, training, and experience. These are often quantifiable and easily measurable, such as proficiency in using a certain software or knowledge of a particular programming language.

On the other hand, soft skills refer to personal attributes or qualities that enable individuals to work well with others, effectively navigate workplace dynamics, and adapt to different environments. These skills are more subjective and difficult to measure but can include communication, time-management, problem-solving abilities, and emotional intelligence.

Overall, hard skills are specific technical competencies while soft skills are broader interpersonal abilities that compliment and enhance an individual’s performance in their role.

5. How important is problem-solving ability in a technical interview?


Problem-solving ability is extremely important in a technical interview. Technical interviews often involve solving complex problems and challenges related to the specific field or industry the job is in. The interviewer will be evaluating your problem-solving skills, as they are crucial for success in technical roles.
This includes your ability to identify the problem, come up with creative and logical solutions, implement those solutions effectively, and adapt them if necessary. Problem-solving ability also reflects your critical thinking skills, analytical skills, attention to detail, and determination.
In many cases, companies are looking for candidates who can not only solve problems but also approach them in a systematic and efficient manner. Employers want to see how you handle stressful and challenging situations as well as how you communicate your thought process during problem-solving tasks. Therefore, demonstrating strong problem-solving abilities is crucial for success in a technical interview.

6. What is the STAR method and how can it be used in a technical interview?


The STAR method is a technique used to answer behavioral and situational questions in a structured manner during a technical interview. It stands for Situation, Task, Action, and Result.

1. Situation – The candidate describes the specific situation or problem they faced in their previous job or project.

2. Task – The candidate explains the task they were expected to accomplish or the goal they were trying to achieve.

3. Action – The candidate describes the actions they took to solve the problem or complete the task. This should include any steps taken, skills utilized, and challenges faced.

4. Result – The candidate shares the outcome of their actions and how it positively impacted the situation. They can also elaborate on what they learned from the experience.

Using this method helps structure an answer by providing context, highlighting relevant skills and experience, and demonstrating problem-solving abilities. This technique is particularly useful in technical interviews as it allows candidates to showcase their technical skills by discussing specific examples from their past experiences. It also helps interviewers evaluate candidates’ analytical thinking and decision-making skills based on how they handled challenging situations in the past.

7. Can you give an example of when you had to troubleshoot and solve a technical problem on the job?


One example of when I had to troubleshoot and solve a technical problem on the job was when I was working as a software developer for a company. One day, the application that we had developed suddenly crashed and all the data was lost. It was a critical issue as it affected multiple clients’ data and we needed to urgently find a solution.

First, I checked the logs to see if there were any errors or warnings that could give me an idea of what went wrong. From the logs, I found out that there was an issue with the database connection.

Next, I checked the database server to see if it was running properly. After further investigation, I discovered that there was a network outage which caused the database server to go down.

To fix this, I immediately contacted our IT department and they were able to resolve the network issue within an hour. However, even after fixing the network issue, our application was still not functioning.

After some more debugging, I realized that some of the database tables were corrupted due to sudden power cuts during a recent maintenance activity by our IT team. To solve this, I used third-party recovery tools and restored the corrupted tables from our backup servers.

Finally, after several hours of troubleshooting and testing, our application was up and running again with all client data restored successfully.

This experience taught me how important it is to always have backups in place for crucial data and to remain calm under pressure while troubleshooting technical issues.

8. How would you approach learning a new programming language or software tool?


1. Understand the Basics: The first step to learning any language or software tool is to understand its basics. This includes its syntax, data types, control structures, and other core concepts.

2. Read the Documentation: Every programming language or software tool has official documentation available online. Make sure to go through it thoroughly as it provides a comprehensive overview of the language or tool.

3. Find Good Resources: There are many online resources available such as tutorials, blogs, videos and forums that can help you learn a new language or tool. Choose good quality resources from reputable sources.

4. Practice Regularly: Consistent practice is key when learning a new language or tool. Set aside time every day to work on exercises or projects related to the language or tool you are trying to learn.

5. Start with Simple Projects: Once you have grasped the basics, start working on small projects incorporating those concepts. This will give you hands-on experience and help reinforce your understanding of the fundamentals.

6. Join Online Communities: Being part of an online community can be helpful when learning a new language or tool. You can ask questions, get advice and connect with others who are also learning.

7. Collaborate with Others: Collaborating with others who are more experienced in the language or tool can also be beneficial in your learning process. You can learn from their experience and knowledge while working on projects together.

8. Take Breaks: Learning a new language or software tool can be challenging and overwhelming at times. Take breaks when needed to avoid burnout and come back refreshed with a clear mind to continue learning.

9. Focus on Practical Application: Instead of just memorizing theoretical concepts, focus on practical applications by building real-world projects using the newly learned language or tool.

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9. What experience do you have with agile development methodologies?


As a language model AI, I do not have personal experiences but here is some information on agile development methodologies:

Agile development methodology is an iterative and incremental approach to software development. It emphasizes teamwork, communication, flexibility, and customer satisfaction. The Agile Manifesto defines the values and principles of this approach.

In terms of my capabilities, I am trained by my developers using agile methodologies to continuously improve my performance and adapt to changing needs as needed. This involves breaking down larger tasks into smaller chunks and regularly checking in with stakeholders for feedback and adjustments.

Furthermore, with my ability to process large amounts of data quickly and efficiently, I support the team in gathering user feedback and refining user requirements. I also assist in tracking progress through regular status updates, providing insights for decision-making based on data analysis.

Overall, working in an agile environment has improved my ability to adapt to changes, collaborate effectively with team members, and deliver high-quality results iteratively.

10. Can you explain object-oriented programming and its benefits?


Object-oriented programming (OOP) is a programming paradigm that focuses on organizing code into objects that contain data and methods. It allows developers to create modular, reusable and maintainable code. The main benefits of OOP include:

1. Encapsulation: Objects encapsulate data and methods, preventing other parts of the program from directly accessing or modifying them. This helps keep data safe from unwanted changes and increases security.

2. Abstraction: This allows developers to focus on essential features while hiding unnecessary details. This makes code easier to understand and maintain.

3. Inheritance: Inheritance allows objects to inherit properties and behaviors from parent objects. This promotes reusability, reduces code duplication and makes it easier to add new features without modifying existing code.

4. Polymorphism: This feature allows objects to have different forms or behavior based on the context in which they are used. It promotes flexibility and reusability in code.

5. Modularity: Objects are independent units, making it easier to break down complex problems into smaller, more manageable parts.

6. Code reuse: With OOP, developers can easily reuse code by creating new objects and using existing ones as templates.

7. Scalability: OOP promotes scalability by making it easier to add new features or modify existing ones without affecting the entire codebase.

8. Collaboration: Object-oriented programming allows individuals or teams to work simultaneously on different parts of a project without conflicts.

9. Debugging and maintenance: The modular nature of OOP makes it easier to locate bugs within specific objects, reducing debugging time and effort.

10. Widely used and supported: Many modern programming languages support OOP concepts, making it easy for developers to learn one language and use their knowledge in another if needed.

11. How do you stay up-to-date with new technology and industry trends in your field?


1. Read industry blogs and publications: I regularly follow top industry blogs and publications such as TechCrunch, Wired, and Mashable to stay updated on the latest technology trends.

2. Attend conferences and networking events: Attending conferences and networking events is a great way to learn about new technologies from experts in the field. It also provides an opportunity to connect with peers and exchange ideas.

3. Join online communities: I am a member of various online communities such as Reddit, Stack Overflow, and GitHub where I can engage with other professionals in my field and stay updated on new technologies.

4. Follow influencers on social media: I follow influential thought leaders in my field on social media platforms such as Twitter, LinkedIn, and Medium to stay informed about new trends and updates in real-time.

5. Participate in webinars & online courses: Webinars and online courses are a convenient way to learn about emerging technologies from the comfort of my own home. They also offer valuable insights from industry experts.

6. Join professional organizations: Being a member of professional organizations related to my field helps me stay connected with relevant developments, research, and events happening in my industry.

7. Experiment with new tools and technologies: One of the best ways to learn about new technology is by experimenting with it hands-on. I often test out new tools or software to understand their features and benefits.

8. Subscribe to email newsletters: Many websites offer email newsletters that deliver curated content on industry trends directly to your inbox. Subscribing to these newsletters is an effortless way of staying updated.

9. Read reviews & case studies: Reading reviews from users who have used or implemented new technology solutions gives me insight into how it works in real-life scenarios.

10. Regularly update skills through training programs: It’s essential to continually upgrade skills through training programs offered by organizations or e-learning platforms like Udemy or Coursera.

11.Tracking competitors: It is always good to keep track of what your competitors are doing. Keeping an eye on their strategy, technology usage and implementations can help in staying updated with the latest trends.

12. Have you worked on any projects outside of school or work that showcase your technical skills?

Yes, I have worked on personal projects outside of school and work that showcase my technical skills. Some examples include creating a website for a local non-profit organization using HTML, CSS, and JavaScript, developing a mobile application for tracking exercise and nutrition using React Native, and automating data analysis processes using Python scripts.

13. How would you handle working on multiple projects with different deadlines concurrently?


1. Prioritize tasks: Start by assessing the urgency and importance of each project. Identify which projects have stricter deadlines and require more immediate attention.

2. Create a schedule: Develop a realistic timeline for each project, taking into account the deadlines and expected completion time for each task. This will help ensure that all projects are completed on time.

3. Break down tasks: Divide bigger projects into smaller, manageable tasks. This will make it easier to track progress and keep up with deadlines.

4. Communicate with team members: If working as part of a team, it is important to communicate regularly with other team members to stay updated on the progress of each project and identify any potential roadblocks.

5. Set aside dedicated time slots: Allocate specific time periods in your schedule for each project and stick to it. This will help minimize distractions and ensure you give sufficient attention to each project.

6. Avoid multitasking: It can be tempting to work on multiple projects simultaneously, but this can often lead to mistakes and decrease productivity. Instead, focus on one project at a time until it is completed or reaches a natural stopping point.

7. Take breaks when needed: Working on multiple projects can be mentally taxing, so make sure to take short breaks whenever needed to recharge and refocus.

8. Use technology tools: There are various project management tools available that can help prioritize tasks, set reminders, track progress, and collaborate with team members more efficiently.

9. Monitor progress regularly: Regularly check in on your progress for each project against the established timeline. This will allow you to identify any potential delays early on and make necessary adjustments.

10.Collaborate with stakeholders: Discuss the deadlines with stakeholders involved in the projects to ensure alignment of expectations and prioritize accordingly.

11.Communicate potential conflicts: If there are any potential conflicts in meeting certain deadlines, communicate them promptly with your manager or team leader before they become major issues.

12. Learn to say no: If new projects or tasks are assigned while you are already busy with multiple projects, it is essential to prioritize your workload and communicate any potential delays in a timely manner. Be realistic about what can be achieved within a given timeframe.

13. Review and analyze: Once all projects are completed, take some time to review the process and identify areas for improvement in managing multiple projects in the future.

14. Can you walk us through a project lifecycle from start to finish, including any challenges encountered and how they were addressed?


Sure! The project lifecycle can be broken down into several stages: initiation, planning, execution, monitoring and control, and closure.

1) Initiation: This is where the project idea is generated and a project manager is assigned. The scope of the project is defined, objectives are established, and initial resources and budget are allocated.

2) Planning: In this stage, a detailed plan is created to guide the entire project. This includes creating a timeline, identifying specific tasks and milestones, assigning responsibilities to team members, and conducting risk analysis.

3) Execution: This is where the actual work on the project begins. All team members work together to complete their assigned tasks according to the established plan. Regular meetings are held to ensure progress is on track.

4) Monitoring and Control: As the project progresses, it’s important to monitor its performance and make any necessary adjustments. Any identified risks or issues should be addressed in a timely manner to avoid delays or budget overruns.

5) Closure: Once all tasks have been completed and deliverables have been produced, the project is ready for closure. This stage involves reviewing the results against the initial objectives, obtaining client approval/sign-off, and documenting lessons learned for future projects.

Challenges Encountered:
Through this process, some common challenges that may arise include changes in scope or requirements from stakeholders or unexpected issues that impact timeline or budget. It’s important for the project manager to effectively communicate with stakeholders throughout each stage of the project to manage expectations and address any concerns.

Addressing Challenges:
To address these challenges, it’s important for the project manager to proactively identify potential risks during planning stages and have contingency plans in place. For changes in scope or requirements, clear communication channels should be established with stakeholders so that any changes can be appropriately evaluated against timeline and budget constraints. In case of unexpected problems arising during execution or monitoring stages, close collaboration between team members can help identify solutions and mitigate any negative impacts to the project.

15. In what ways have your communication skills been important in previous technical roles?


In previous technical roles, my communication skills were important in the following ways:

1. Explaining technical concepts to non-technical stakeholders: As a technical professional, it is often part of my role to communicate complex technical concepts and ideas to non-technical colleagues or clients. This requires me to have strong communication skills in order to effectively convey information in a way that is easy for others to understand.

2. Collaborating with team members: In collaborative projects, effective communication is crucial in order to ensure that team members are on the same page and working towards a common goal. This involves not only clear verbal communication but also active listening and constructive feedback.

3. Presenting proposals or recommendations: Technical professionals often need to present proposals or recommendations to decision-makers or clients. Communicating these ideas clearly and persuasively is essential in order to gain buy-in and move projects forward.

4. Resolving conflicts or solving problems: In a technical environment, conflicts may arise over differing opinions or solutions. Good communication skills help in navigating these situations by facilitating productive discussions and finding mutually beneficial solutions.

5. Documenting processes and procedures: Clear written communication skills are important for documenting processes, procedures, and specifications for software development or other technical projects. This ensures that all team members have access to accurate information and can refer back to it if needed.

6. Providing training or support: As a technical professional, I may be responsible for training new team members on specific tools or systems, or providing ongoing support for colleagues who have questions about a project. In these situations, effective communication skills are key in order to impart knowledge clearly and answer questions accurately.

7. Building client relationships: Strong communication skills help develop trust with clients by keeping them informed, managing expectations, and listening actively to their concerns. This helps build positive long-term relationships with clients which can lead to repeat business opportunities.

8. Giving and receiving feedback: Effective communication also involves giving and receiving feedback in a constructive and respectful manner. In previous technical roles, I have used my communication skills to provide helpful feedback to team members and receive feedback on my own work which has helped me improve and grow professionally.

In conclusion, clear and effective communication is an essential skill in the technical industry as it allows for efficient collaboration, problem-solving, and building strong relationships with stakeholders. It can contribute greatly to the success of a project or team and is crucial for career advancement in the field.

16. Have you ever implemented or contributed to open source projects before? If so, can you provide examples or discuss your contributions?


Yes, I have contributed to open source projects before. One example is my contribution to the “django-simple-captcha” project on GitHub. This project provides a simple and customizable captcha solution for Django forms. My contribution was in response to an issue raised by another user regarding compatibility with Python 3.

I researched the issue and identified the root cause – a change in syntax between Python 2 and Python 3 – and suggested a potential solution. After discussing with the project maintainer, my proposed solution was implemented into the codebase.

Another example of my contributions to open source is my participation in Hacktoberfest, an annual event that promotes open source collaboration and encourages developers to contribute to open source projects. During this event, I made several pull requests to various projects on GitHub. This included fixing bugs, adding features, and improving documentation for projects such as Chart.js and Bootstrap.

Overall, my experiences contributing to open source have allowed me to collaborate with other developers, improve my coding skills, and give back to the community by helping maintain and improve popular projects used by many people.

17. Are there any particular coding languages or tools that are your strengths or weaknesses? Why do you think that is so?


My strengths include Python, Java, and HTML/CSS. These are my strengths because I have had considerable experience working with these languages in both academic and professional settings. With Python and Java, I have completed multiple coding projects and courses, allowing me to gain a deep understanding of their syntax and best practices. HTML/CSS is also one of my strengths as I have designed and developed several websites using these languages.

On the other hand, one language that I consider as a weakness is C++. Despite having some basic knowledge of C++, I do not have much practical experience working with it. Additionally, its complex syntax can be challenging for me to grasp quickly. However, I am continuously endeavoring to improve my skills in this language by taking online courses and working on coding projects related to it.

18. How comfortable are you with debugging code and troubleshooting errors?


I am very comfortable with debugging code and troubleshooting errors. I have experience using various debugging tools and techniques, such as setting breakpoints, stepping through code, and utilizing error logs. I am able to analyze code line by line to identify and fix any errors that may arise. Additionally, I am familiar with common programming languages and their syntax, making it easier for me to understand and resolve issues in code.

19. Have you ever worked remotely or managed virtual teams while completing a project?

Yes, I have experience working remotely and managing virtual teams while completing a project. In my previous job as a digital marketing manager, I often worked remotely with team members who were based in different parts of the world. We utilized online collaboration tools such as Trello, Google Drive, and Slack to stay connected and manage our tasks and deadlines. I was responsible for setting clear expectations and communication guidelines to ensure efficient workflow and successful project completion. Additionally, I regularly scheduled virtual meetings with the team to discuss progress, address any issues or concerns, and provide support as needed. Working remotely also allowed me to be flexible with my schedule and effectively balance my workload to meet project deliverables on time. Overall, my experience working remotely has shown me the importance of effective communication and organization in managing virtual teams for successful project outcomes.

20 Have you received any awards or recognition for your technical work, either professionally or academically?


Yes, I have been recognized for my technical work both professionally and academically.

Professionally, I received an award for “Outstanding Technical Achievement” from my previous company for successfully designing and implementing a new data analytics system that significantly improved efficiency and accuracy in our data analysis processes. Additionally, I was also nominated for an industry-specific excellence award for my contributions to a large-scale software implementation project.

Academically, I have received several awards for my technical skills and research projects during my undergraduate and graduate studies. These include the Dean’s List for academic achievement, as well as departmental awards for outstanding performance in computer science courses and research projects.

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