Screen Magic Mobile Media Interview Questions and Answers

Q1. Technical and process related
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Q1. Technical and scenario based
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Q1. Project and process related
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Q1. With Solution architect
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Q1. Manager round with complete SDLC
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Q1. HR round generic questions and salary discussion
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Q1. Coalesce, SQL Order of Execution
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Q2. Given a table with fields(id, name, salary, managerId) find out the managers who have atleast 5 reportees under him/her.
Ans. 
Use SQL query to count number of reportees for each manager and filter out those with atleast 5 reportees.
• Write a SQL query to count number of reportees for each manager using GROUP BY clause

• Add HAVING clause to filter out managers with atleast 5 reportees

• Example: SELECT managerId, COUNT(id) AS num_reportees FROM table_name GROUP BY managerId HAVING num_reportees >= 5
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Q3. How to manage large datasets in python
Ans. 
Use libraries like pandas and dask to efficiently manage large datasets in Python.
• Use pandas library for data manipulation and analysis.

• Use dask library for parallel computing and out-of-core processing.

• Optimize memory usage by loading data in chunks or using data types efficiently.

• Consider using cloud services like AWS S3 or Google BigQuery for storing and processing large datasets.
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Q4. Name few of the commonly used python libraries used by DA
Ans. 
Some commonly used Python libraries for Data Analysts are Pandas, NumPy, Matplotlib, and Scikit-learn.
• Pandas - used for data manipulation and analysis

• NumPy - used for numerical computing and working with arrays

• Matplotlib - used for data visualization

• Scikit-learn - used for machine learning and data mining
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Q1. What are Agile Values? Scrum Values? Scrum Ceremonies? Story Points?
Ans. 
Agile values include individuals and interactions over processes and tools, while Scrum values include commitment, courage, focus, openness, and respect.
• Agile values prioritize individuals and interactions over processes and tools

• Scrum values include commitment, courage, focus, openness, and respect

• Scrum ceremonies include Sprint Planning, Daily Standup, Sprint Review, and Sprint Retrospective

• Story points are a unit of...read more
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Q2. As project manager what docs do you prepare? How do you contribute as a PM?
Ans. 
As a project manager, I prepare various documents such as project plans, schedules, budgets, risk assessments, and progress reports. I contribute by leading the team, managing resources, and ensuring project success.
• Prepare project plans outlining scope, objectives, deliverables, and timelines

• Create schedules to allocate tasks and track progress

• Develop budgets to manage project costs effectively

• Conduct risk assessments...read more
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Q3. Capacity? Velocity? etc Agile/Scrum-based questions (bookish) this round was taken by Rajni
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Q1. Megha took my final round and asked me questions about Agile/Scrum, Stroy Points (estimation).
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Q2. Ques on explaining Sprint Planning, Retro, Review, using Doc/Excel (screen sharing)
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Q3. Ques on Conflict and Resource Management, some scenario-based question.
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Q4. How will you make a low-performing resource a high-performing one?
Ans. 
Provide clear expectations, offer support and training, provide feedback and recognition, set goals and milestones.
• Clearly communicate expectations and goals to the resource.

• Offer support and training to help the resource improve their skills and knowledge.

• Provide regular feedback and recognition for progress made.

• Set specific goals and milestones to track improvement.

• Create a development plan with the resource to addr...read more
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Q5. Megha did not hire me because she felt I had adequate knowledge and practical experience. (insecurities) Anyway, good luck with your interview.
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Q6. What is Scrum of Scrums? What is PI planning?
Ans. 
Scrum of Scrums is a scaled agile framework where multiple Scrum teams coordinate their work. PI planning is a key event in SAFe where teams plan their work for the upcoming Program Increment.
• Scrum of Scrums involves representatives from each Scrum team meeting regularly to discuss dependencies and progress.

• PI planning is a two-day event where teams align on their objectives, dependencies, and priorities for the upcomi...read more
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Pretty standard GD on topics around working remotely and country's macroeconomic

Q1. Derivative Knowledge Check
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Q2. Alternate Investment Knowledge Check
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Q1. Scenario Based and financial instrument level
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Q2. Deep dive into derivative and alternative investment
Ans. 
Derivative and alternative investments involve complex financial instruments and strategies beyond traditional stocks and bonds.
• Derivatives are financial contracts whose value is derived from an underlying asset, index, or rate. Examples include options, futures, and swaps.

• Alternative investments are non-traditional assets such as private equity, hedge funds, real estate, and commodities.

• Both derivative and alternative...read more
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Q1. General HR Question
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Q2. Strength and Weakness
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Q1. Favorite UPI App, and why?
Ans. 
My favorite UPI app is PhonePe because of its user-friendly interface and wide range of services.
• User-friendly interface makes transactions quick and easy

• Wide range of services like bill payments, recharges, and shopping

• Offers cashback and rewards for transactions

• Secure and reliable platform for financial transactions
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Q2. Develop two features to help Paytm cope up with loosing users?
Ans. 
Implement personalized recommendations and loyalty rewards program.
• Implement personalized recommendations based on user behavior and preferences to increase user engagement.

• Introduce a loyalty rewards program to incentivize users to continue using Paytm and earn rewards for their transactions.
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Q3. Estimate the number of UPI transactions per day in Mumbai?
Ans. 
It is difficult to provide an accurate estimate without specific data, but the number of UPI transactions in Mumbai is likely to be high due to the city's large population and high digital adoption rate.
• Mumbai is one of the largest cities in India with a high population density, leading to a high volume of transactions.

• UPI (Unified Payments Interface) has gained significant popularity in India as a convenient and secur...read more
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Q1. WHAT IS PANDAS LIBRARY
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Q2. HOW TO DO DATA WRANGLING IN PYTHON
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Q1. Explain the architecture of transformer models.
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Q2. What's the role of attention in transformers? Additionally, which one of the two networks has a faster training process - RNNs or transformers?
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Duration was 1 hour. First asked verbal technical questions based on deep learning concepts, then asked me to code an easy leet code problem.

This round was with the hiring manager. It was mostly like a technical discussion, but he started by discussing the projects that I had worked on from my resume. Then it eventually turned into a system design type of a round.

Q1. What is vlookup?
Ans. 
VLOOKUP is a function in Excel used to search for a value in a table and return a corresponding value from another column.
• VLOOKUP stands for 'vertical lookup'

• It is commonly used in Excel to search for a value in the leftmost column of a table and return a value in the same row from a specified column

• Syntax: =VLOOKUP(lookup_value, table_array, col_index_num, [range_lookup])

• Example: =VLOOKUP(A2, B2:D10, 3, FALSE) - searc...read more
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Q2. What do you know about us health care?
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Q1. What is the difference between vlookup and index match?
Ans. 
VLOOKUP searches for a value in the first column of a range and returns a value in the same row. INDEX MATCH is more flexible and can search in any column.
• VLOOKUP searches vertically in a table and returns a value from the same row.

• INDEX MATCH can search horizontally or vertically and is more versatile.

• VLOOKUP requires the lookup value to be in the first column of the table.

• INDEX MATCH can search for the lookup value i...read more
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Q2. Us health care domain specific questions?
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Q1. Questions on commitment towards the company, general team behaviour and typical scenario based questions to test your emotional intelligence?
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Q2. Sallery discussion
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