What is the difference between a Set & a List Talk us through a project you worked on recently
Lead Software Engineer Interview Questions
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Big Data in depth
What do you want to learn / grow in here at LEGO?
Bacis of C language. Live programming.
Basics of OOPs, C#, SQL Server
1. Fetch data from api and display using axios 2.How to pass data from child to parent 3. How to improve performance of React application 4. Explain Redux workflow 5. Explain useeffect 6. Custom Events and Custom Hooks 7. useeffect vs useMemomo vs useCallBack 8. What is webpack? 9. Destructuring of Object 10. Few simple coding questions on array and object
Asked about current project and coding stuff
1. First Technical Round All basic JS, NodeJs question like event loop, OAuth , How JWT works, Asynchronous vs synchronous, Promises Async await , promises types, methods, some basic db question, program for char occurence . ( around 1 hr ) 1. Second Technical Round ( with senior architect and Project Manager ) All above question asked with cross question why this why that and asked deployment process in current project, some performance related questions, 2 DSA program, reduce vs map, why nodejs is synchronous (around 1.5 hr) 3. HR Round - Salary discussion
1. Difference between GET,PUT,POST 2. What is Docker? 3. Difference between pod and node 4. What is @ControllerAdvice? 5. What is Actuator? 6. What is ThreadPool 7. Implement multithreading using ExecutorService
They focused mainly on scalable Java backend architecture, microservices design, concurrency handling, performance optimization, system design decisions, and experience leading development teams in production environments.
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