Tesco Senior Software Engineer 2 Interview Questions and Answers for Experienced

Q1. Bug life cycle sdlc process
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Q1. Fundamentals of testing
Ans. 
Fundamentals of testing involve understanding testing principles, techniques, and methodologies to ensure software quality.
• Understanding testing principles such as equivalence partitioning, boundary value analysis, and error guessing

• Knowledge of testing techniques like black box testing, white box testing, and regression testing

• Familiarity with testing methodologies such as Agile testing, Waterfall testing, and DevOps ...read more
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Q1. About youself and your experience
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Q1. What is garbage collector in python
Ans. 
Garbage collector in Python is a built-in feature that automatically manages memory by reclaiming unused memory space.
• Garbage collector in Python helps in automatically deallocating memory of objects that are no longer in use.

• It prevents memory leaks by freeing up memory that is no longer needed.

• Python's garbage collector uses reference counting and a cycle-detecting algorithm to manage memory efficiently.
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Q1. Questions on CS fundamentals. Databases, OOPs, and one question on finding anagrams
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Q1. Purely Technical and domain-specific. One CP question on array, two pointer, a few behavioural questions too
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They ask nothing only few questions on dsa

They ask previous projects knowledge

Basic java question, design questions, 1 data structure question

Q1. Asked puzzle and previous project experience
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Q2. Monitor microservices using Spring actuator
Ans. 
Spring Actuator provides endpoints to monitor and manage microservices in a Spring Boot application.
• Add Spring Boot Actuator dependency in pom.xml

• Enable Actuator endpoints in application.properties or application.yml

• Access Actuator endpoints like /actuator/health, /actuator/info, etc.

• Customize Actuator endpoints using configuration properties
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Q3. How webflux works
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Webflux is a reactive programming framework for building non-blocking, event-driven applications on the JVM.
• Webflux is part of the Spring Framework and provides support for reactive programming.

• It allows developers to build asynchronous, non-blocking applications that can handle a large number of concurrent connections.

• Webflux uses Project Reactor, a reactive library for building reactive applications.

• It supports both ...read more
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Q1. Internals of hashset
Ans. 
HashSet is a collection that stores unique elements using a hash table.
• Uses hashing to store elements

• Does not allow duplicate elements

• Provides constant-time performance for basic operations like add, remove, contains
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Q2. Deques based questions
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Q1. Projects discussion from beginning
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Q2. How do you resolve conflicts?
Ans. 
I resolve conflicts by actively listening, understanding all perspectives, finding common ground, and proposing solutions.
• Actively listen to all parties involved

• Understand each perspective and the underlying reasons for conflict

• Find common ground and areas of agreement

• Propose solutions that address the concerns of all parties
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Q1. Its a normal questions which usually service based company asked
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Q2. Overall it is good
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Ask you to implement any solution like caching using LRU or LFU

Its a manager round where they discuss about u=your past experiences and also they tell you about the project

Q1. I think they gave you only based on your previous offer.
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Q2. Negotiate well with them . Don't accept just for the sake of an offer because further they will not change it until/ unless it is filling position.
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