Convin Software Quality Assurance Engineer Interview Questions and Answers

Medium DSA question on dynamic programming

Basic grammer, maths questions,

Q1. Basic questions on programming languages
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Q2. Oops concepts, collections, method overloading, method overriding
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Q1. Tell me about your self?
Ans. 
I am a software engineer with experience in developing and maintaining software applications.
• Proficient in programming languages such as Java, C++, and Python

• Experience in developing web applications using frameworks like Spring and Django

• Strong problem-solving and analytical skills

• Familiarity with version control systems like Git

• Ability to work in a team and collaborate effectively
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Q2. What is your salary expectations?
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I am open to discussing salary based on the responsibilities and requirements of the position.
• I am flexible and open to negotiation.

• I am looking for a competitive salary based on my skills and experience.

• I am interested in discussing the overall compensation package, including benefits and bonuses.

• I am open to considering other forms of compensation, such as stock options or profit sharing.

• I would like to learn more ab...read more
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Q1. What is promise
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A promise is an object representing the eventual completion or failure of an asynchronous operation.
• Promises are used in JavaScript to handle asynchronous operations.

• They can be in one of three states: pending, fulfilled, or rejected.

• Promises can be chained using .then() to handle success and failure callbacks.

• Example: Fetching data from an API returns a promise that resolves with the data or rejects with an error.
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Q2. What is hoisting
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Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during compilation.
• Variable and function declarations are hoisted to the top of their scope.

• Only declarations are hoisted, not initializations.

• Function declarations take precedence over variable declarations.
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Q1. What is event loop
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Event loop is a mechanism in programming that allows for asynchronous execution of code by continuously checking for and handling events.
• Event loop is commonly used in JavaScript to handle asynchronous operations like setTimeout, setInterval, and AJAX requests.

• It allows for non-blocking I/O operations, ensuring that the program can continue running while waiting for I/O operations to complete.

• Event loop works by contin...read more
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Q1. Pointers, Data structure & algorithms
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Q2. Programming and debugging basics
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Pointers and algorithm & data structures

2 queue problem
a lot about c++ concepts
oops
stack problem
it is one and half hour round

Q1. Collection framework Basic java & oops concepts Design patterns A logical programming question (loop & recursion)
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Q1. On going project discussion Technologies used so far. Why changing? Scenario based technical question.
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Q1. Basic discussions
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Invert binary tree