- How to efficiently delete records from a relational database table with millions of rows - Practical understanding and application of SOLID principles - How to monitor and observe the health of running microservices - The differences and trade-offs between a monolithic architecture and microservices
1st round - was more hands on coding (nothing too complicated) 2nd round - was more theoretical about implementing a feature E2E (client, server, db). In my opinion this was the hardest interview. I feel that in the others I did quite well and they were not too difficult. 3rd round - was system design like interview. Very theoretical with scalability and consistency in mind. 4rd round - was hr interview, pretty straight forward.
Algorithms & data structures problems + a system design question.
Java hashmap, hashtable, set, experience
what was the challenging project you have worked on?
How my work experience corresponds with the position requirements
1- What do you do in your current role and position? 2- How large is your team? 3- How is the release process in your project? How is your project going to be live for your customers? 4- After the release and going to live with your project, how you are sure everything works well? How do you check it? 5- How is the process of merging a merge request in your team? 6- Why you are interested in Lodgify? 7- Why you are leaving your current job? 8- What is the difference between integration tests and unit tests and when do we use each of them? 9- How many unit and integration tests you would write for a solution? 10- What are the downsides and upsides of using Microservices? 11- What do you know about SOLID abbreviation? (tell me about open/closed, what does it mean in reality? give an example) 12- How does the Garbage collector work in .Net? 13- Do you know async\await? How does the .Net handle it? 14- Do you have experience with performance optimization and memory leaks?
system design was to designing a ticket booking system. technology: - how to model a problem with billions of records - what is the core benefit of java 8 - how to handle distributed transactions
The technical discussion questions were like this - when to use typescript and when to use javascript? - what is ES6? - describe k8s and when to use it?
The usual SE job interview questions
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