StockX Data Engineer Interview Questions and Answers

Q1. Tell me about your projects?
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Q2. How do you approach the project if you are using logistic regression model?
Ans. 
Approach involves data preprocessing, model training, evaluation, and interpretation.
• Perform data preprocessing such as handling missing values, encoding categorical variables, and scaling features.

• Split the data into training and testing sets.

• Train the logistic regression model on the training data.

• Evaluate the model using metrics like accuracy, precision, recall, and F1 score.

• Interpret the model coefficients to under...read more
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Q1. What are you future goals?
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Q2. What would you do if your interested field doesnt have any work in the company?
Ans. 
I would seek opportunities to apply my skills in related fields within the company.
• Explore other departments or teams within the company that may have projects related to my field of interest

• Offer to collaborate with colleagues in different departments to bring a new perspective to their projects

• Seek out professional development opportunities to expand my skills and knowledge in related areas
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It was an online assessment. Some coding questions. Some cs fundamental mcqs. SQL query, Rest Api question.

An assignment to create a game using nodejs/ go lang/ java.

Q1. Discussion related to Assignment. Told some changes and told to add some more functionalities.
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Q2. Some APIS were given. It was case study. You had to show the dishes to a customer according to his preferences.
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Questions were crayon box ,the bot and the game and happy neighbourhood for 90 mins

Q1. Array basics was asked
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Q2. Segment tree,prefix sum
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Q1. Low level design was asked
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Q1. Create pagination component using an api show the data for the pages
Ans. 
Create a pagination component using an API to display data for different pages.
• Use API to fetch data for each page

• Implement pagination logic to display data for each page

• Allow users to navigate between pages
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Assignment containing the python coding and the pandas data analysis and statistics questions

Q1. Given the tabular data and asked to find the issues in the data and how to solve them.
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Q2. Check if the sentence is palindrome or not.
Ans. 
Check if a sentence is a palindrome or not.
• Remove all non-alphanumeric characters and convert to lowercase.

• Compare the original sentence with its reverse to check for palindrome.

• Example: 'A man, a plan, a canal, Panama' is a palindrome sentence.
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Q1. Classical data science questions
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Q2. Given the large dataset and asked to find the answers using pandas
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1 hr, Java questions, SQL question, 1 DSA question

Q1. LLD about Hotel Booking system
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Q1. Discussed about the project
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Q1. He asked to invert a binary tree
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Q2. Deep dive in projects
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Q3. Asked me indept js questions
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