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Celestial Systems
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Celestial Systems Backend Developer Interview Questions and Answers
Celestial Systems Backend Developer Interview Experiences
1 interview found
Anonymous
Selected
I applied via Approached by Company and was interviewed before Sep 2023. There were 3 interview rounds.
Gave 40 questions with 1 hr of time, which are easy to medium level questions.
40 min , easy coding round
(2 Questions)
- Q1. How much salary u need?
- Ans.
I am looking for a competitive salary that reflects my skills and experience in the industry.
Research industry standards for backend developer salaries
Consider my level of experience and expertise
Factor in cost of living in the area where the job is located
- Q2. Why u r jioing this company?
- Ans.
I am joining this company because of its innovative projects and strong team culture.
Exciting projects that align with my skills and interests
Positive company culture and strong team collaboration
Opportunities for growth and learning
Reputation for excellence in the industry
Interview Preparation Tips
Top trending discussions
Interview questions from similar companies
Normal java coding question
(2 Questions)
- Q1. What are spring ioc
- Ans.
Spring IoC (Inversion of Control) is a design pattern where the control of object creation and lifecycle is shifted to a container or framework.
In Spring IoC, objects are created and managed by the Spring container.
It helps in achieving loose coupling between classes.
Dependency Injection is a key feature of Spring IoC, where dependencies of a class are injected by the container.
Example: @Autowired annotation in Spring
- Q2. Different implementation of map interface
- Ans.
The Map interface in Java provides a way to store key-value pairs and retrieve values based on keys.
Different implementations of the Map interface include HashMap, TreeMap, LinkedHashMap, and ConcurrentHashMap.
HashMap provides constant-time performance for basic operations but does not guarantee the order of elements.
TreeMap maintains elements in sorted order based on keys.
LinkedHashMap maintains the insertion order of...
Skills evaluated in this interview
It's about implementing rest apis
(2 Questions)
- Q1. Java 8 interview
- Q2. Rest api development
I applied via Company Website and was interviewed in Mar 2020. There were 4 interview rounds.
Interview Questionnaire
3 Questions
- Q1. About previous projects and challenges in those
- Q2. About how to create backends which can take high traffic
- Q3. Security related. SQL injection, XSS etc.
Interview Preparation Tips
Normal java coding question
(2 Questions)
- Q1. What are spring ioc
- Ans.
Spring IoC (Inversion of Control) is a design pattern where the control of object creation and lifecycle is shifted to a container or framework.
In Spring IoC, objects are created and managed by the Spring container.
It helps in achieving loose coupling between classes.
Dependency Injection is a key feature of Spring IoC, where dependencies of a class are injected by the container.
Example: @Autowired annotation in Spring
- Q2. Different implementation of map interface
- Ans.
The Map interface in Java provides a way to store key-value pairs and retrieve values based on keys.
Different implementations of the Map interface include HashMap, TreeMap, LinkedHashMap, and ConcurrentHashMap.
HashMap provides constant-time performance for basic operations but does not guarantee the order of elements.
TreeMap maintains elements in sorted order based on keys.
LinkedHashMap maintains the insertion order of...
Skills evaluated in this interview
It's about implementing rest apis
(2 Questions)
- Q1. Java 8 interview
- Q2. Rest api development
I applied via Company Website and was interviewed in Mar 2020. There were 4 interview rounds.
Interview Questionnaire
3 Questions
- Q1. About previous projects and challenges in those
- Q2. About how to create backends which can take high traffic
- Q3. Security related. SQL injection, XSS etc.
Interview Preparation Tips
Celestial Systems Interview FAQs
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Celestial Systems Backend Developer Interview Process
based on 1 interview
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