Modular InfoTech Interview Questions and Answers

Q1. Talk about your work experience. Detailed questions about projects that I worked on.
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Q2. Why are you interested in switching.
Ans. 
Seeking new challenges and growth opportunities in a dynamic field.
• Interested in leveraging my skills and experience in a new environment

• Excited about the potential to work on innovative products

• Looking for opportunities to expand my knowledge and expertise
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Q3. Do you use any food delivery apps frequently? What would you improve in Swiggy?
Ans. 
Yes, I frequently use food delivery apps like Swiggy.
• I use Swiggy at least a few times a week for ordering food.

• I appreciate the wide variety of restaurants and cuisines available on Swiggy.

• Improvement suggestion: Enhance the user interface for a smoother ordering experience.

• Improvement suggestion: Implement a more accurate delivery time estimation system.

• Improvement suggestion: Offer more personalized recommendations
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Q4. What is northstar metric, what would be northstar metric for Swiggy
Ans. 
Northstar metric is the key metric that drives the core value of a product. For Swiggy, the northstar metric could be Daily Active Users (DAU) or Orders per User.
• Northstar metric is the single metric that best captures the core value that your product delivers to customers.

• For Swiggy, the northstar metric could be Daily Active Users (DAU) as it represents the number of unique users who engage with the platform on a dai...read more
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Q1. Explain what you worked on, how did you grow the adoption of the feature.
Ans. 
I worked on improving the adoption of a new feature by conducting user research, implementing user feedback, and creating targeted marketing campaigns.
• Conducted user research to understand user needs and preferences

• Implemented user feedback to make necessary improvements to the feature

• Created targeted marketing campaigns to promote the feature to the right audience
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Q2. Design product to manage risks during an event. Sub-question- How would this change if the target market is tier 3 cities in India
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Q1. Mvvm and Mvc architectures
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Q2. Gave Code snippets to find the output
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Q3. Swift basics and concepts like memory management
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Q4. Oops concepts and solid principles
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MCQs around CS fundamentals

3 DSA questions on graph

Q1. Hackathon of two parts
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Q1. DSA and system design
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After Resume shortlisting, Coding test was scheduled, started with introduction and my project discussion, coding test write a python code for LRU cache, interviewer was friendly helped me and discussed the logic too. At the end, interviewer asked if i have any question, I asked about the company product.

There were 2 project consist, should be submitted in 3 days.

Q1. Question related to project and assignment
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Q1. About the backend things authentication and db with huge amount pf users
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Q2. About the frontend to show huge data how to deal and some other stuffs
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Q1. What is SDLC and STLC?
Ans. 
SDLC stands for Software Development Life Cycle, which is a process used by software development teams to design, develop, and test high-quality software products. STLC stands for Software Testing Life Cycle, which is a subset of SDLC focused on testing activities.
• SDLC involves planning, designing, coding, testing, and deployment stages.

• STLC involves test planning, test design, test execution, and test closure stages.

• S...read more
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Q2. Explain Bug life cycle
Ans. 
Bug life cycle is the process of a bug from identification to resolution in software testing.
• Bug is identified by tester

• Bug is logged in bug tracking tool

• Bug is assigned to developer

• Developer fixes the bug

• Bug is retested by tester

• If bug is fixed, it is closed. If not, it is reopened

• Bug is verified in subsequent releases
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Q1. Diff between react and jQuery
Ans. 
React is a modern JavaScript library for building user interfaces, while jQuery is a fast and concise JavaScript library for DOM manipulation.
• React is component-based, promoting reusability and modularity.

• React uses a virtual DOM for efficient updates, while jQuery directly manipulates the DOM.

• React is declarative, making it easier to reason about the UI, while jQuery is imperative.

• React is typically used for single-pa...read more
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Emotion Intensity was the assignment project

Q1. What are pearson and spearman coefficients? When to choose which?
Ans. 
Pearson and Spearman coefficients are measures of correlation between two variables, with Pearson being for linear relationships and Spearman for monotonic relationships.
• Pearson coefficient measures the linear relationship between two variables, while Spearman coefficient measures the monotonic relationship.

• Pearson coefficient ranges from -1 to 1, with 1 indicating a perfect positive linear relationship, 0 indicating n...read more
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Q2. Explain multi-collinearity mathematically and how it impacts the equation: y=mx+c?
Ans. 
Multi-collinearity occurs when independent variables in a regression model are highly correlated with each other.
• Multi-collinearity is a phenomenon where two or more independent variables in a regression model are highly correlated.

• It can impact the equation y=mx+c by making the estimates of the coefficients m and c less reliable.

• Multi-collinearity can lead to inflated standard errors, making it difficult to determine ...read more
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Q1. Tell me about yourself?
Ans. 
Experienced performance marketing manager with a proven track record of driving successful campaigns and maximizing ROI.
• Over 5 years of experience in performance marketing

• Proficient in utilizing various digital marketing channels such as PPC, SEO, and social media advertising

• Strong analytical skills to track and optimize campaign performance

• Managed budgets effectively to achieve desired results

• Previously increased conv
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Q2. Attribution models in Google ads?
Ans. 
Attribution models in Google Ads determine how credit for conversions is assigned to different touchpoints in a customer's journey.
• Common attribution models include last click, first click, linear, time decay, and position-based.

• Each model has its own way of assigning credit to touchpoints based on their position in the customer journey.

• For example, the last click model gives all credit for a conversion to the last tou...read more
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Q3. Define Ad Rank?
Ans. 
Ad Rank is a value used to determine the position of an ad on a search engine results page.
• Ad Rank is calculated based on the bid amount, ad quality, and ad extensions.

• Higher Ad Rank increases the chances of an ad being shown in a higher position.

• Ad Rank formula: Ad Rank = Bid Amount x Quality Score + Ad Extension Impact.

• Example: An ad with a high bid amount, good quality score, and relevant ad extensions will have a h
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