UBS Senior Sdet Engineer Interview Questions and Answers

Q1. OOPS Concepts,Java Coding,Testing
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Q1. Selenium, APIs, Automation
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2 medium dsa que - one is of binary search, one is from graph

Q1. Define oops principle
Ans. 
OOPs principles are the fundamental concepts of object-oriented programming that help in designing and implementing software solutions.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Allowing a class to inherit properties and behavior from another class.

• Polymorphism: The ability of different classes to be treated as instances of a common superclass.

• Abstraction: ...read more
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Q2. Define os concepts
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OS concepts refer to fundamental principles and components of operating systems.
• Process management - handling processes, scheduling, and resource allocation

• Memory management - managing memory allocation, virtual memory, and paging

• File system - organizing and accessing files on storage devices

• Device management - controlling and communicating with hardware devices

• Security and protection - ensuring system and data securit...read more
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Q1. What is salary expectating?
Ans. 
I am looking for a competitive salary based on my experience and skills.
• Research industry standards for SDET Engineer salaries

• Consider my level of experience and skills

• Factor in location and cost of living

• Negotiate based on benefits and perks offered by the company
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Q2. What is your experience
Ans. 
I have 5 years of experience in software development and testing, with a focus on automation and quality assurance.
• 5 years of experience in software development and testing

• Specialize in automation and quality assurance

• Proficient in programming languages such as Java and Python

• Experience with testing frameworks like Selenium and JUnit

• Worked on various projects to improve testing processes and efficiency
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Hackerearth test 2 automata questions , 7 automata fix and 8 mcq

Quant and verbal ability

Questions from DSA and webdevelopement

Q1. About my goals with the company and how will I contribute to it.
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Coding questions mostly related to Java and Api

Algorithm specific questions to understand approach

2 coding question, 1 section of business aptitude and 1 section english.

Q1. Design a chess game.
Ans. 
A classic chess game with standard rules and pieces.
• Create a board with 8x8 squares

• Place 16 pieces on each side: 1 king, 1 queen, 2 rooks, 2 knights, 2 bishops, and 8 pawns

• Define the movement rules for each piece

• Implement special moves like castling and en passant

• Check for checkmate and stalemate conditions

• Allow for player vs player or player vs computer gameplay
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Q2. N queens problem. Minimum steps by knight.
Ans. 
The N Queens problem is to place N chess queens on an NxN board so that no two queens threaten each other. Minimum steps by knight is a variation of this problem.
• The N Queens problem is a classic problem in computer science and can be solved using backtracking.

• The minimum steps by knight variation involves placing N knights on an NxN board so that no two knights threaten each other.

• This problem can also be solved using...read more
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Q1. Hr questions were asked. And location preference.
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