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Senior Product Engineer Interview Questions
560 senior product engineer interview questions shared by candidates
Difference between comparable & comparator? Why do we have comparator? Write Singleton class? Write without use of synchronization but must be thread safe Write multithreaded code for producer & consumer What is difference between for, for each & iterator? Write java collection hierarchy? When concurrent modification exception will be thrown? Difference between hash map & hash table? Difference between equals & compare methods of String? Explain current project, questions on current project, different ways to implement solution that you implemented in your current project Design patterns used in your projects OSGi
Database related - Oracle configuration question
DS. Alogos, Design pattern, and micro services
What is your previous experience
How does the Latch-up test work?
Why would you want to join an early stage startup?
Electronic design is helpful. But not needed. Project management is plus
In general they check you general knowledge on EE
Consider this scenario: The greatest sporting event in history is about to take place – The World ChessBoxing Championship! The highlight of the event will be the Celebrity Mega-Match on Mars between Elon Musk and Mark Zuckerberg! Everyone knows who would win the chess game……but who would dominate in the ring? The world anxiously awaits to see these two tech monsters slug it out on another planet! This elimination tournament will begin with 300 matches happening simultaneously at various venues around the world. Each match will also be simultaneously live streamed to millions of viewers via the RTheyAliensInc app. Your task is to design a high-throughput, low latency, resilient, and scalable backend system that will deliver notifications. Specifications: - The events that need to be fired during the match are: - Major piece captured - Check and checkmate - Power punch landed - KO / TKO - Each user can set in their preferences how they want to receive notifications: a browser pop-up, an email, or a mobile push notification. - Each time a new notification event is fired, the web application will process and deliver notifications in batches according to the platform chosen by users (web, iOS, Android). - During high loads, the queue of messages that needs to be processed can start to swell and affect delivery timing, so special care must be taken to prevent lag and resource contention. We need a System Design capable of scaling to 300 notifications/second average and 1000 notifications/second peak.
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