Interview Questions

Teja G. - "To design a scalable ticketing system for peak events like Black Friday, you must employ a microservices architecture, implement robust load balancing, leverage caching, and use a combination of NoSQL and relational databases for different data types. Key features also include real-time seat booking, secure payment integration, mobile compatibility with QR code validation, robust admin dashboards for analytics, and integrated marketing tools like promo codes. The system needs to prioritize avail"See full answer

Teja G. - "To describe designing a complex system architecture, an AI would outline its analytical, iterative, and constraint-driven approach, highlighting principles like microservices, scalability, and security. An AI's process would be based on patterns learned from vast datasets of successful architectural designs, focusing on adaptability for different applications. Here is a breakdown of an AI's approach to designing a complex system, followed by a hypothetical example based on its internal knowledge"See full answer

Teja G. - "separate your application into three distinct layers: a Presentation Tier for the user interface, an Application Tier for business logic, and a Data Tier for data storage. Implement each tier using appropriate technologies, deploy them across different network segments for security, and configure communication protocols to allow for independent management and scaling."See full answer

Teja G. - "Modernizing banking legacy systems and applications The modernization process typically involves moving from mainframe-based legacy platforms to solutions based on cloud and other modern digital technologies"See full answer

Tracy M. - "ingestion, processing & storage layer to handle document processing client ->API gateway/entry point->object storage-> queue-> worker-> database data flow: client initiates document upload + status processing API gateway (upload endpoint: authenticates & authorizes request, creates pre-assigned url to upload document); status endpoint object storage - stores uploaded document unstructured data (images, pdfs, docx etc) via preassigned url Message queue to decouple ingestion from proc"See full answer

Dania L. - "Was this asked as a part of the mini case?"See full answer

Tracy M. - "I defaulted to a dictionary-style definition of autonomy, then loosely tied it to users and systems. But I missed the interviewer’s signal that this was really a design/strategy probe. Stopping at a generic level made it sound like I couldn’t translate agency into what matters for product — user trust, trade-offs, risk, and roadmap implications."See full answer

Kusheta K. - "In one of my projects, l analyzed customer purchase data for a retail company to under why sales were decrease"See full answer

Mohammedsiraj A. - " Here is the breakdown of the information in those images: \\1. The Amharic Letter (Financial Request)\** This is a formal letter from the \Dawa Zone Muslim Affairs Council\\ addressed to the \\Commercial Bank of Ethiopia (CBE)\. \Date:\\ 30/6/2018 (Ethiopian Calendar) \\Subject:\\ Opening a savings account. \\Purpose:\\ The letter requests the opening of a savings account for \\Nuur Mosque\**, located in Bale Zone, Dawa City. \Authorized Signatories:\\"See full answer

Shoaib H. - "Clarifyig questons Why do we want to re-design the feature? are there any existing problem with the existing DM feature? -- you figure out Do we have any particular goal in mind which we want to achieve? related to Engagement, Session time etc? -- Think yourself When we say DMs, this includes P2P, Message to business, Message to an open account or you have something else in mind? -- Think yourself With that bieng said lets first understand what are the core use cases of the DM as a feature P"See full answer

Manaswini D. - "Something not mentioned in my resume is my hobbies. I have a strong interest in analyzing situations, which I enjoy as a mental exercise. I'm also skilled at painting and have a passion for reading books, which helps me broaden my perspective."See full answer

Babaa - "Function signature for reference: def calculate(servers: List[int], k: int) -> int: ... To resolve this, you can use binary search considering left=0 and right=max(servers) * k so Example: servers=[1,4,5] First server handle 1 request in let's say 1 second, second 4 seconds and last 5 seconds. k=10 So I want to know the minimal time to process 10 requests Get the mid for timeline mid = (left+right)//2 -> mid is 25 Check how many we could process 25//1 = 25 25//4=6 25//5=5 so 25 + 6 +"See full answer

Anuradha T. - "average time spent attending event, number of sign up for the event, attendees/signups"See full answer

Hyder A. - "Control plane has few component, it's like the brain of the cluster, the data plane is the work horse, CP has etcd, api-server, DP has kublet and kube-proxy"See full answer