Growisto Magento Developer Interview Questions and Answers

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?
Ans. 
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?
Ans. 
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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Q1. Self intro - tell me about yourself
Ans. 
I am a software developer with a passion for creating efficient and user-friendly applications.
• Proficient in multiple programming languages such as Java, C++, and Python

• Experience in developing web applications using HTML, CSS, and JavaScript

• Strong problem-solving and analytical skills

• Familiarity with agile development methodologies

• Excellent communication and teamwork abilities
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Q2. Experience & why do you want to switch
Ans. 
I have 5 years of experience as a Software Developer and I want to switch to explore new technologies and challenges.
• I have 5 years of experience as a Software Developer.

• I have gained expertise in various programming languages and frameworks.

• I have successfully delivered multiple projects and contributed to their success.

• I want to switch to explore new technologies and challenges.

• I believe switching will help me enhanc
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Simple basic code for Form data

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. Basic questions about overall experience
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Q1. Interview with Manager - Asking technical & overall understanding, communication skills
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Q2. On page, off page, what you learn etc
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Q1. Team lead - In-depth technical questions about On-page, off-page, google analytics, indexing, etc
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Project to do an SEO Audit

Q1. Salary discussion with HR
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Q1. How will you improve core web vitals?
Ans. 
Improving core web vitals involves optimizing page speed, interactivity, and visual stability.
• Optimize images and videos to reduce page load time

• Minimize HTTP requests by combining files and using caching

• Use lazy loading to defer loading of non-critical resources

• Eliminate render-blocking resources

• Reduce server response time by optimizing code and database queries

• Use a content delivery network (CDN) to reduce latency

• Pri...read more
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Q2. How will you resolve performance issues of a website?
Ans. 
I will identify the root cause and optimize code, database, and server configurations.
• Analyze website performance using tools like Google PageSpeed Insights, GTmetrix, etc.

• Identify the root cause of performance issues by analyzing server logs and database queries.

• Optimize code by reducing database queries, using caching, and minimizing HTTP requests.

• Optimize database by indexing tables, optimizing queries, and reducing...read more
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