Coding assignment to read in data from two different CSV files and implement a provided interface to match records between them. The the provided unit test must pass, and one is encouraged to add more unit test cases.
Senior Backend Engineer Interview Questions
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Challenge project was provided for completion.
Given an array of numbers you have to return how many duplicates there are
Mostly concentrated on problem-solving, Nodejs APIs, DB queries, etc
Interview 1: (HR Interview) Basic technical questions like 1. What is database lock 2. Git merge vs git fetch etc etc Interview 2: (Technical Interview) It was more like discussion what problems you solved during your career. Interview 3: (Culture Chat) You need to prepare some questions about organization and work and basically you will be checked that you will be fit in organization culture. Part 4: Then you will be given small project which you need to finish in 7 days and they will be given gift amount. Part 5: After that you need to represent your project. Part 6: After that you will be given feedback of your project work.
Asynchronous Programming, Mongodb transactions, Caching. Real-life based questions related to handling concurrency.
• Difference between array and ArrayList? • Difference between Set and List? • Set and List are classes or interfaces? • What is ArrayList’s parent class? • Is possible to use primitive types in arrays? • Is possible to use primitive types in List? • What is Generics? • Why is not possible to use primitive types in List? • What is Generics? • Why is not possible to use primitive types in Generics ? • Difference between StringBuilder and StringBuffer ? • How does Garbage Collector work? • What is the command to call GC execution? • Difference between memory heap and stack? • How do microsservices work? • How do we define security for application access?
Hackerrank - set up a rate-limiting functionality using Express.js
Explain me architecture of your previous project
Do you agree to install Hubstuff "timetracking" app in your personal device ? (It is an activity tracking app with screenshots and video recording, not a time tracking app)
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