Interview Questions

Otto yhoda A. - "Context: While working as a Senior Systems Engineer at Indra on a project for BBVA, I was primarily responsible for building ETLs and optimizing data pipelines using Spark and Scala. Action: During a critical deployment phase, our QA lead had to leave unexpectedly due to a personal emergency. With no one available to manage testing coordination, I volunteered to step in — even though it wasn’t my formal responsibility. I quickly reviewed the test cases, communicated with stakeholders, an"See full answer

Mohit G. - "5 reasons Gmail search is real time Gmail search needs to be 100% accurate Does not have significant caching / hot searches Less hardware used as user info cant be sprayed across machines Gmail storage is different, as needs decryption on every"See full answer

Neha A. - "FB Vision Why is this problem important - bad ads can drive customer churn and pose reputational risks in terms of law suits. What is a bad ad defined as - we will exclude ad relevance. any ad that is inappropriate, harmful, and misleading. What is the user journey >> Businesses creates ads, ads are verified by FB team who will remove any bad ads, ads get published after verification, user sees the ads, reports if they dont like it, and the team verifies it again and if bad, removes it. N"See full answer

Anonymous Fox - "In what terms we need to improve the quality? Is there any focus on any particular host/customer experience? - Let’s consider that we need to improve the customer engagement on Airbnb platform. Airbnb has both - web interface as well as mobile interface. So, I am assuming the experience on both the platforms. I will brief about Airbnb - Airbnb provides homeowners to rent their spare rooms/properties to travelers/visitors and at the same time, travelers/visitors can get accommodation at budget"See full answer

Saisandeep M. - "Explained the charts with using Scatter Plot with Size and Color Encoding X-axis: Ride duration (in minutes). Y-axis: Total fare (in dollars). Point size: Encodes the star rating (e.g., larger points for higher ratings). Point color: Indicates whether the rating is favorable (green) or unfavorable (red). Heatmap for Correlation Analysis Why: Heatmaps are ideal for quickly identifying patterns and correlations between variables. How: Create a heatmap matrix where rows represent ride durat"See full answer

Ahna R. - " I would start by making sure we agree on what "improving Stripe Payments" means. What specifically are we looking to improve or are we focusing on improving the experience for a particular user group? Do we mean improving the experience for the developers building on Stripe or for the users checking out using Stripe? Once I got clarity I would share my proposed outline for a brainstorm: I would start by revisiting Stripe's mission and defining how Payments fit into that goal. I would then t"See full answer

Singer29 - "Let me tell you about a time when my manager was on a two week PTO and I was building the post-MVP roadmap for a newly launched product. Being a SaaS platform for supporting restaurants, I'd led the conception, planning, development and launch of the MVP for an online ordering solution for diners in restaurants. After the launch of the MVP, our original plan was to build features which supported table-service restaurants like keeping an open tab. But while looking at the data, I realized that a"See full answer

Sandy L. - "Clarify Functionality: Watch is a tab in FB app where people can upload and view Videos. What's the redesign? We collapsed the reaction and comment bar so people can see more videos and spend more time watching videos. What's the objective of the redesign? To help people discover and watch more videos they'll enjoy._ Structure To decide whether or not to ship this redesign, i'd like to go over. How does the Watch Tab fit into FB's mission and what's its goal? What's the long-"See full answer

Kanishvaran P. - "class Solution { public boolean isValid(String s) { // Time Complexity and Space complexity will be O(n) Stack stack=new Stack(); for(char c:s.toCharArray()){ if(c=='('){ stack.push(')'); } else if(c=='{'){ stack.push('}'); } else if(c=='['){ stack.push(']'); } else if(stack.pop()!=c){ return false; } } return stack.isEmpty(); } }"See full answer

Srikhar S. - "t"See full answer

Shiva S. - "Clarification: Believe no constraints such as for specific market or for specific device, No specific goal , can explore what improve means. Goal: can I assume improve user experience and resolve pain points, and not around monetization So goal could be to improve engagement and higher customer satisfaction with google news as a product, so basically more usage, and lower churn So more DAU Users: Consumers based on how they consume: Deep dive into news reports in a specific area of the"See full answer

Scott S. - " Last year, we were in the midst of a critical project to develop a new machine learning-driven risk analytics platform. This platform was intended to provide real-time risk assessments and predictive insights to enhance our trading strategies. However, midway through the project, our project lead unexpectedly had to take an extended leave of absence due to a personal emergency. This left the team without clear leadership during a crucial phase of the project. Stepping into the Leadership R"See full answer

Sameer A. - "Google’s Mission: Organize the world’s information and make it universally accessible. Google offers perhaps the most consequential set services available on the internet today - Search, Maps, Gmail, Drive, Docs, etc. These services reach billions of users across the world and they are all available for free. Google is able to give away these services for free because of how their business model works. Google’s Business Model: Google makes money from Ads. They offer perhaps the most"See full answer

Hari priya K. - "Smart Lock : Clarifying Questions : Are* we *talking about the locks we use for the doors or locks used for suitcases or study lockers ? "Scope is yours" What do we need by smart ? Are we a company that are already in lock business? - Yes Do we have significant marketshare in lock business ? - Yes Are we trying to address or improve any customer pain point or improve our metric? - "No" Customer Segment : Tech savvy - non tech savvy- Customer buys Old"See full answer

Yogi S. - "Might be good to have also explained how the engineer wasn't aware of th expedition process that you as a PM were able to identify when you spoke to the PM from the team that was providing the API, was it just a simple of case of not having access to information that you were able to help surface ?"See full answer

John H. - "All products and services have to sell. I would create measurements on how much time, labor, and funds went into a project and how much value it brings back to customers and company."See full answer

Pratik H. - "Clarify- 1) How much time do we have to do this?- 2 years 2) Is there a goal for this product?- We are looking toward engagement towards the Olympics 3) Are we building this for a global auidience or just the US- Up to you 4) Should I keep Meta's mission in mind here? Not necessarily...thinking through the Olympic committee lens Lets understand the Olympics. Its the games that are hosted once every 4 years. Its a global event that hosts many different athletes from various countries. There a"See full answer