Write Java class for a blocking queue: when the queue is empty and read method is invoked, it is blocked until something is on the queue. When the queue is full and write method is invoked, it is blocked until an entry in the queue is available.
Back End Engineer Interview Questions
Back End Engineer Interview Questions
If you're applying for a job position as a back-end engineer, interviewers want to know if you have the knowledge to design, build, and maintain the server-side of a website. Be prepared to answer questions about the latest in web design and technology, as well as questions about your problem-solving skills, time management abilities, and communication skills.
Top Back End Engineer Interview Questions & How to Answer
Question 1
Question #1: Can you talk about the most modern advancements in website building and servers?
How to answer
How to answer: Employers don't just want someone who is up to date with the latest technology, they want someone who is innovative and on the cutting edge. When discussing the most modern advancements in web design and web building, talk about how you would incorporate these modern enhancements into the company's website.
Question 2
Question #2: How do you feel about working as a member of a team?
How to answer
How to answer: Back-end engineers often have to work as a member of a team to develop and run a website. Interviewers want to know if you're a team player who can work well with the staff that already exists at the company. Highlight your abilities to communicate effectively and collaborate with others.
Question 3
Question #3: Can you tell me about a time you had to meet a tight deadline?
How to answer
How to answer: When asked this question, highlight your time management skills and ability to stay organized and on task, even in high-stress situations. Employers want to know that you can work well under pressure.
1,560 back end engineer interview questions shared by candidates
How you think your project and how you finished.
(Algorithmic Round) Implement LRU Cache (Variant). Talk about the pros and cons of using this data structure including time complexity. (Design rounds) How would you create an API? Rest or GRPC? Tell me the structure of the payload? JSON or XML? What are you API Methods? How would you make v1 API compatible with v2 API? (object oriented round) There is a code quality round where you will be given buggy, unstructured, code that calculates price of booking a rental car, and ask you to make it production grade. Think about design patterns. Think about business requirements changing. (Design round) There is a system design round with VP of engineering. Design a system that you can offer to companies which can authorize employees into buildings using badges. How would you scale the system out? You must drive the entire conversation, and talk about justification of your ideas.
Q1: How does the Sync process between mobile app and backend app work? Q2: Solve a graph theory question!
Tell me about your internship.
Most of the questions were about my working experience and the projects I have implemented.
They will ask you to list all of your knowledge with various coding languages and frameworks, as well as how you've used these technologies in your past workplaces.
Describe what you are looking for in your next position? What drew you to apply to Unu? Describe the internal development processes you have in your current position What are your salary expectations?
Have you worked with android before?
What was a time that you had to solve a problem? How and what ideas did you come up with to solve it?
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