Interview Questions

Bulent K. - "I said we could always revert the production issues. Solve it at DEV environment and then publish again. Interviewer gave me an example of it like a database schema change that may not be possible to revert. I said that we always used SQL scripts to upgrade and downgrade the database schema for each production deployment. So it would not be a problem for us. I guess my answer was not accepted."See full answer

Anchal V. - "supervised learning: model is trained on the labeled data unsupervised learning: no labels provided - model learns by finding patterns , structure and groupings in the data. Semi-supervised learning: use small set of labels to guide learning for the larger pool of unlabeled data. reinforcement learning: leans by interacting with students the environment, receives reward and penalties based on actions self supervised: no labelled data . The model makes its own practice problems by"See full answer

Maria T. - "Clarifying questions: Will it be a separate app of Google maps or integrated into an existing one? Let's say it will be integrated into an existing app. Which disabilities users have? Any of your choice. For which audience are we building this product? Any exact geo, age, gender? Any of your choice. How many resources we have? Any timeline for the product to be launched? Need to launch a product in a year and any resources required. Google's mission is to organize the world's"See full answer

Cameron P. - "3 fav products. Pick 1 and 10X it. My criteria: Add value to my life Easy to use My fav products: Pinterest Youtube Google Docs How would you 10X Youtube? Interviewee: 10X revenue? 10X user base? 10X sales? Interviewer: you can decide Interviewee: Ok, let’s discuss Youtube's mission and goal and we will determine which direction to proceed after Youtube: Global product. Has Red,Music,Kids,Premium. Subscription and Ads. 5B videos watched per day. 80% market share Missio"See full answer

Sim S. - "Started with user-groups to identify the differences world wide: speed of internet, how high end devices are The interviewer just wanted to dive into the questions of latency & the technical fast. I then said let's separate out server vs client. On server side, cannot have australian users hitting california servers for data. So must be some sort of global availability of caching. And ensure rapid read out of that cache so something like a redis solution would help. Then switch gears to cli"See full answer

Soutrik M. - "Applying the STAR method to explain a time when I had to teach myself certain skills to meet project demands. Situation : I was working for a medical devices company that didn't have CI-CD setup for its embedded software Task : Build the entire CI-CD pipeline from scratch using the tools available within a month Action : I had to learn Docker and other basic DevOps technologies to build this Result : We were able to reduce build time by 70% and create a process for package manage"See full answer

Darshak S. - "Clarifying Questions: There are several different types of therapists, do you have a particular therapist in mind? Like Mental health, physical health, food and nutrition etc? Reply: You can decide And do we know what country are we building this product, since that will help me narrow down the scope of the product? Reply: USA Approach: Define the product vision and the goal that we want to achieve Target Audience is for this particular product What problems do these user currently"See full answer

Sarvesh G. - "def calc(expr): ans = eval(expr) return ans your code goes debug your code below print(calc("1 + 1")) `"See full answer

Rishabh S. - "Clarifying Qs: Business Impact: Goal is to add a 7th reaction - Engagement / Monetization / Any other? User Need: Are we aware of the exact new reaction? Symbol? Meaning? User reaction? Product Fit: Is there any link between the new reaction and FB's vision and goal? To determine the necessity of a new reaction, we can: Understand user sentiments about the existing reaction - Are they able to fulfil the emotional spectrum required by the users? We can aim to understand"See full answer

Gaurav K. - "I think sliding window will work here and it is the most optimized approach to solve this question."See full answer

Ash K. - "Below is the step by step approach I would take: Identify potential risks: Firstly, I thoroughly analyze the project and identify potential risks that could impact its success. This involves reviewing project documentation, conducting stakeholder interviews, and seeking input from team members who have expertise in different areas. Assess the impact and likelihood: I evaluate each identified risk by assessing its potential impact on the project objectives and determining the likelihood of"See full answer

Anonymous Quail - " from typing import List def least_interval(tasks: List[str], n: int) -> int: pass # your code goes here if n == 0: return len(tasks) dictionary = {} total_sum = len(tasks) output = 0 for t in tasks: if t in dictionary: dictionary[t] += 1 else: dictionary[t] = 1 dictLen = len(dictionary) while total_sum > 0: for key in dictionary.keys(): if dictionary[key] > 0: "See full answer

Geo J. - "check y the -ve effect - ask them to solve that."See full answer

Jack F. - "The project manager must take care of the risks associated with the particular project. Scrum Master is a team facilitator and serves as a servant leader. The product manager serves as a team leader and is responsible for project performance and ensuring that everything goes according to plan."See full answer

Anonymous Kingfisher - "The interviewer focused on the data models and steered the conversation there from the beginning. He had a specific design in mind and I just wasn't hitting it. He also wanted details on how I would implement the logic for splitting users into variants. I would recommend reading the LinkedIn blog on their AB Test system design."See full answer

Anonymous Muskox - "Clarification about the Google Web Answers, its goal, and vision for the next 4-5 years. Talk about the different user personas and the actions which they should take to achieve that vision. Finally replicating these actions and corresponding actions into metrics. Evaluate the different action if we there are any negative recursion about these metrics"See full answer

Rahul J. - "Clarifying questions / assumptions we are talking about a typical retail bank and not investments banks or other NBFCs The banking app covers the primary functions of a bank like money transfers, account management, savings etc. A typical bank has the following business functions: Giving loans (primary function to make money) Savings and other accounts Investments (like Fixed deposits of the bank and other government schemes) Pain points A bank had to deploy manpower to perform all"See full answer

G B. - " select user_id, b.marketing_channel from user_sessions a Left join attribution b on b.sessionid = a.sessionid group by 1,2 HAVING sum(purchasevalue)>100 and min(adclick_timestamp) `"See full answer