Talkd. Full Stack Developer Interview Questions and Answers

The first round was coding round to test the candidate's ability . Test duration was one hour. The coding test was based on basic javascript logics.

The second round was group discussion. The topic was strategy to build a project, folder structure and API integration etc.

Q1. First question was tell about yourself in detail.
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Q2. Second was why should we hire you?
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I am a highly skilled Full Stack Developer with a strong track record of delivering high-quality projects.
• I have extensive experience in both front-end and back-end development.

• I am proficient in multiple programming languages and frameworks, allowing me to adapt to any project requirements.

• I have a proven ability to work well in teams and collaborate effectively with stakeholders.

• I am constantly learning and staying u...read more
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Q3. What can you bring to the company?
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I can bring a strong technical skillset, a passion for problem-solving, and a collaborative mindset to the company.
• Strong technical skillset in full stack development

• Ability to solve complex problems and find innovative solutions

• Collaborative mindset to work effectively in a team

• Experience with relevant technologies and frameworks

• Strong communication and interpersonal skills
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Q1. What is your weakness ans strength?
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My strength is problem-solving and my weakness is public speaking.
• Strength: Proficient in identifying and solving complex problems

• Weakness: Nervousness while speaking in front of large audiences

• Strength: Ability to learn and adapt to new technologies quickly

• Weakness: Difficulty in delegating tasks to others

• Strength: Attention to detail and ability to work under pressure

• Weakness: Tendency to overthink and second-guess d
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Q2. What is you salary expectation?
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I would expect a salary that is competitive and reflective of my skills and experience.
• Research the average salary range for Full Stack Developers in your area.

• Consider your years of experience, education, and any specialized skills you have.

• Be prepared to negotiate and discuss your salary expectations during the interview process.
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Software testing and coding related questions

Programming test coding

Q1. Myself intro HR subject question with answer
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Q2. Subject related questions
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Q3. What is types software testing
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Types of software testing include unit testing, integration testing, system testing, and acceptance testing.
• Unit testing focuses on testing individual components or modules of the software.

• Integration testing involves testing how different modules work together.

• System testing checks the entire system as a whole.

• Acceptance testing ensures that the software meets the requirements of the end users.
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Q4. What is unit testing
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Unit testing is a software testing method where individual units or components of a software are tested in isolation.
• Unit testing helps in identifying bugs early in the development process.

• It ensures that each unit of code is working as expected.

• Unit tests are automated and can be run frequently to catch regressions.

• Mocking and stubbing are often used in unit testing to isolate the unit being tested.

• Example: Testing a ...read more
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Q5. What is integration testing
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Integration testing is testing the interactions between different components/modules of a software system.
• Tests how well different parts of the system work together

• Ensures that data flows correctly between components

• Identifies any issues with communication or data transfer

• Examples: testing API integrations, testing database connections
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Q6. What is types of software testing
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Types of software testing include unit testing, integration testing, system testing, and acceptance testing.
• Unit testing focuses on testing individual components or modules of the software.

• Integration testing involves testing the interactions between different components/modules.

• System testing tests the entire system as a whole.

• Acceptance testing is performed to validate if the software meets the requirements of the st
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Q7.  What is integration testing
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Integration testing is testing the interactions between different components or systems to ensure they work together correctly.
• Integration testing verifies that different modules or components of a software work together as expected.

• It focuses on testing the interfaces and interactions between components.

• Examples include testing the integration between a front-end user interface and a back-end database, or between diff
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Q1. Difference between SQL and PL/SQL
Ans. 
SQL is a standard language for managing relational databases, while PL/SQL is Oracle's proprietary extension for SQL with procedural features.
• SQL is a standard language used to manage and manipulate relational databases.

• PL/SQL is Oracle's proprietary extension to SQL that adds procedural programming capabilities.

• SQL is used for querying and updating data, while PL/SQL is used for writing stored procedures, functions, a...read more
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Q2. What is trigger
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A trigger is a special kind of stored procedure that is automatically executed when certain events occur in a database.
• Triggers can be used to enforce business rules, perform data validation, or automate tasks.

• Examples of trigger events include INSERT, UPDATE, and DELETE operations on a table.

• Triggers can be defined to execute before or after the triggering event.
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HackerRank Test, basic questions related to the profile.

Q1. Coding Interview with the team manager
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Q1. How do you approach debugging a complex issue in a large codebase with minimal documentation?
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Approach debugging by understanding the code flow, using debugging tools, isolating the issue, and testing solutions.
• Start by understanding the code flow and identifying potential areas where the issue may be occurring.

• Use debugging tools like breakpoints, logging, and stack traces to pinpoint the source of the problem.

• Isolate the issue by reproducing it consistently and narrowing down the scope of the problem.

• Test pot...read more
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Q2. Describe a situation where you had to refactor existing code to improve performance or maintainability. What challenges did you face, and how did you overcome them?
Ans. 
Refactored a legacy codebase to improve performance by optimizing database queries.
• Identified bottlenecks in the codebase by profiling and analyzing performance metrics.

• Rewrote complex and inefficient database queries to improve response times.

• Implemented caching mechanisms to reduce redundant database calls.

• Refactored code to follow best practices and improve maintainability.

• Tested the changes thoroughly to ensure the
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Q3. How do you ensure your code is both efficient and scalable when working under tight deadlines? Can you provide an example?
Ans. 
By prioritizing tasks, using efficient algorithms, and conducting code reviews.
• Prioritize tasks based on impact and complexity to focus on critical components first.

• Utilize efficient algorithms and data structures to optimize code performance.

• Conduct code reviews with team members to identify potential bottlenecks and suggest improvements.

• Example: Prioritize implementing a caching mechanism for frequently accessed data
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Q4. Explain how you would handle a situation where your preferred solution to a problem conflicts with the opinion of a senior team member or client.
Ans. 
I would approach the situation by respectfully discussing the pros and cons of both solutions and finding a compromise.
• Listen to the senior team member or client's perspective and understand their reasoning

• Present your preferred solution along with the reasons why you believe it is the best approach

• Engage in a constructive discussion to find common ground or a compromise

• Consider the impact of each solution on the proje...read more
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Q5. What is your process for staying updated with the latest programming languages, frameworks, and technologies relevant to your role?
Ans. 
I regularly attend tech conferences, read industry blogs, participate in online courses, and collaborate with colleagues to stay updated.
• Attend tech conferences to learn about new technologies and trends

• Read industry blogs and articles to stay informed

• Participate in online courses and tutorials to expand knowledge

• Collaborate with colleagues to share insights and learn from each other
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Q6. How do you manage dependencies and third-party libraries in your projects to avoid potential security or compatibility issues?
Ans. 
I use package managers, regularly update dependencies, and conduct security audits.
• Utilize package managers like npm, pip, or Maven to manage dependencies

• Regularly update dependencies to ensure compatibility and security patches

• Conduct security audits using tools like OWASP Dependency-Check or Snyk

• Consider using dependency locking to ensure consistent builds
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Q7. Describe a time when you had to implement a feature that required learning a new technology or framework on the job. How did you approach the learning curve?
Ans. 
I implemented a new feature using React Native and had to learn the framework on the job.
• Researched online resources and documentation to understand React Native

• Experimented with small projects to practice using React Native

• Sought help from colleagues or online communities when facing challenges
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Q8. Can you walk us through a time when you identified a potential bottleneck in a system before it became a problem? How did you address it?
Ans. 
Identified and addressed a potential bottleneck in a system before it became a problem.
• Monitored system performance regularly to identify any potential bottlenecks

• Analyzed system logs and metrics to pinpoint the root cause of the bottleneck

• Implemented optimizations such as caching, indexing, or code refactoring to address the bottleneck

• Collaborated with team members to implement a long-term solution to prevent similar
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Q9. How do you prioritize and manage multiple tasks or projects when they all seem equally important?
Ans. 
I prioritize tasks based on deadlines, impact, and dependencies, and use tools like to-do lists and project management software.
• Evaluate deadlines and prioritize tasks that are due soon

• Consider the impact of each task on the overall project or team goals

• Identify dependencies between tasks and prioritize accordingly

• Use tools like to-do lists, project management software, or time-blocking techniques to stay organized

• Regu
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Q10. What strategies do you use to ensure that your code is both clean and well-documented for future developers who may work on it?
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I use consistent naming conventions, inline comments, and thorough documentation to ensure clean and well-documented code.
• Follow consistent naming conventions for variables, functions, and classes to make the code easier to understand.

• Include inline comments to explain complex logic or algorithms within the code.

• Write thorough documentation for each function, class, and module to provide context and usage instructions ...read more
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Q11. How would you approach integrating a new feature into an existing system without disrupting the current functionality? Can you provide an example from your past experience?
Ans. 
Approach integrating new feature into existing system without disruption
• Analyze the existing system to understand its architecture and dependencies

• Identify the impact of the new feature on the current functionality

• Implement the new feature in a separate branch or environment for testing

• Conduct thorough testing to ensure the new feature works as expected and does not break existing functionality

• Gradually integrate the n...read more
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Simple aptitude question were given.

Q1. Had 2 technical round on the same day. The first round was based on the projects and question related to the basics of mysql. The second technical round was based on the union, joins and subquries.
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Q2. Explain about your clg project.
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Q3. Question on database schema diagram related to the project.
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Q4. Queries on Union.
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Q5. Questions on subqueries
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1st round was a simple application round for a game

Q1. Tell me about yourself?
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Q2. Projects that you have done till now?
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Q3. Technologies you have worked on ?
Ans. 
I have worked on a variety of technologies including JavaScript, React, Node.js, MongoDB, SQL, HTML, CSS, and Git.
• JavaScript

• React

• Node.js

• MongoDB

• SQL

• HTML

• CSS

• Git
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CRUD API with login and registration functionality using jwt with 2 days of duration.

Q1. Tell me about yourself?
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Q2. Tell me your expectations?
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