Data Aces Associate Software Developer Interview Questions and Answers

Q1. Spark architecture.
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Q2. Narrow and wide transformations
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Q1. What your exp?
Ans. 
I have over 5 years of experience in software development, specializing in web applications and cloud technologies.
• Developed a full-stack web application using React and Node.js, improving user engagement by 30%.

• Led a team of 4 developers in creating a microservices architecture for a scalable e-commerce platform.

• Implemented CI/CD pipelines using Jenkins and Docker, reducing deployment time by 50%.

• Worked with Agile met...read more
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Q2. What is you total exp?
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Duration: 1Hour 30 Minutes, 2 Coding Questions of Total 175 Marks. 1st Question has 75 marks and 2nd Question has 100 marks.

Q1. 1. Find the smallestMissingNumber in given array using Bitwise OR operation alone 2. Based on Array data Manipulation.
Ans. 
Using Bitwise OR operation to find the smallest missing number in an array.
• Iterate through the array and perform Bitwise OR operation with each element to set corresponding bit in a bitmask

• Iterate through the bitmask to find the first unset bit, which represents the smallest missing number

• Example: Array [0, 1, 3, 4, 6] would have a bitmask of 10101, smallest missing number is 2
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Q2. Q2: Customized Data Extraction From Given Dynamic Array & Perform Some Math Operations On the Extracted Data
Ans. 
Extract data from a dynamic array and perform mathematical operations on it.
• Identify the dynamic array structure, e.g., ['12', '15', '20'].

• Convert string elements to integers for mathematical operations.

• Perform operations like sum, average, or product on the extracted data.

• Example: For array ['2', '3', '5'], sum = 2 + 3 + 5 = 10.

• Use built-in functions like map() for conversion and reduce() for aggregation.
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Q1. Write a Pseudo code for given scenario?
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Pseudo code for a scenario
• Define variables and data structures needed

• Write the main logic using conditional statements and loops

• Handle edge cases and error conditions

• Test the pseudo code with sample inputs
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Q1. System Design & Design Pattern based questions
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Q1. Not Applicable (Yet to be scheduled)
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Q1. Describe your professional background
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I have over 5 years of experience in software development, specializing in web applications and agile methodologies.
• Developed a full-stack web application using React and Node.js for an e-commerce platform, improving user engagement by 30%.

• Led a team of 4 developers in an agile environment, successfully delivering projects on time and within budget.

• Implemented RESTful APIs that enhanced data retrieval speed by 25%, opt...read more
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Q2. What is your ideal job
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My ideal job is one that fosters creativity, collaboration, and continuous learning while making a positive impact through technology.
• A collaborative environment where team members share ideas and support each other, like in Agile development teams.

• Opportunities for continuous learning, such as attending workshops or conferences to stay updated on the latest technologies.

• Projects that have a meaningful impact, like dev...read more
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Q1. Given a, b and target x, y , find if we can reach to x,y using a+b or a-b from a,b
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Q2. This was a sliding window problem where need to get the max , so you are give a pos in the x axis and there are items kept and you need to collect the max .
Ans. 
Maximize item collection using a sliding window approach on a 1D axis.
• Identify the range of positions on the x-axis where items are located.

• Use two pointers to represent the current window of positions being considered.

• Expand the right pointer to include more items until the window exceeds the desired range.

• Contract the left pointer to reduce the window size while maintaining the maximum sum of items.

• Keep track of the ...read more
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Q1. Can you describe a time when you led a team?
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Q2. How do you motivate and inspire team members
Ans. 
I motivate team members by fostering collaboration, recognizing achievements, and encouraging personal growth.
• Encourage open communication: Create an environment where team members feel comfortable sharing ideas and feedback.

• Recognize achievements: Celebrate both small wins and major milestones to boost morale and motivation.

• Set clear goals: Help team members understand their roles and how they contribute to the larger...read more
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