Design a high-traffic online food delivery system that can handle thousands of concurrent orders per minute. Explain how you’d ensure scalability, fault tolerance, and real-time updates to users
Principal Engineer Interview Questions
4,346 principal engineer interview questions shared by candidates
Final, finally Bean Scopes in spring Old Java Design patterns: Proxy, Adapter, Facade How would you implement a singleton? Gotcha Snippets ( == / equals / instanceof and other quirky, autoboxing and unboxing gotcha questions) What would you say if your manager turns your proposal down, says simply "this is not how we used to do things", then refuses to elaborate.
Word search problem on LeetCode
Coding round: Started with relatively simple problem and became progressively more challenging. System Design, Architecture, and Performance: Aligned with traditional software development interviews but tailored to the specific domain and real-world constraints.. Culture fit: Focused on how the candidate approaches most common scenarios common in a product-driven development environment.
About my experience using OAuth for Identity and Access management, since they were looking for a developer with strong cybersecurity expertise
Algorithms similar to those on Leet Code, Easy to moderate.
Basic OOPs concept, Debug given code snippet, Fix the bug on the same code and add lines to fix it
Presented seminar style on topic of interest, questions related to presentation.
Technical questions on domain. Mainly EVDO and EMPA
A few technical questions about firmware such as what happens during interrupts. Questions about my past projects. One person wanted to verify what I have done and listed in my CV. How do I relate to this position? Questions about my future plans. How do I handle different situation at the work environment.
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