Programs like remove the duplicate numbers in sorted array by scanning the array only once, means {1,1,2,3,6,8,8,8,8}-->{1,2,3,6,8}, producer and consumer problem, and finding the sum of diagonal elemts in array of any size, etc
481 Domande di colloqui condivise dai candidati | software developer 2
Mostly combination of both technical and professional questions.
Write an API class to fetch data. Define the business scenario to resolve a PAYTM issue
Remove duplicates from a linked list
Medium level DSA questions and project qs
Q. OOP concepts in Java.
Brush up on data structures and system design principles. One of the questions was to design a product/system based on a business need.
System Design Round – Design Twitter (1 Hour) Objective: Design a simplified version of Twitter, focusing on core features like posting tweets, timelines, and following users. What was assessed: Requirements gathering: Clarified functional (e.g., tweet, follow, timeline) and non-functional (e.g., scalability, latency) requirements. High-level architecture: Designed components like: User Service Tweet Service Timeline/Feed Service Follower Graph Service Data modeling: Discussed database schema for tweets, users, followers (SQL or NoSQL trade-offs). Scaling strategies: Sharding for tweet storage Caching popular tweets Fan-out vs fan-in timeline generation Tech choices: Talked about using message queues, databases, caching (e.g., Redis), etc. Bottlenecks & trade-offs: Handled questions on real-time delivery, rate limits, consistency vs availability. Interview Style: Conversational Interviewer guided parts of the discussion Follow-up questions tested understanding of distributed systems and design trade-offs
Tell me about yourself and your projects, that was the most technical question, lol
Round 1: Managerial round -> Questions from my previous projects. -> Questions related to my area of expertise (Javascript and Node). -> Questions relating SOLID principles and my previous projects. -> Node packages used in my projects. Round 2: Technical round 1 -> I was asked to explain about my previous project and team work. -> How we efficiently used version control to manage our project. -> A trade off I made in previous projects. -> How good we were during our teamwork. -> A hurdle I faced in my project and how I solved it. Round 3: Technical round 2 -> Almost similar to Tech round 1
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