Coditas Technologies Full Stack Developer Interview Questions and Answers

Logical thinking and quantitative

One Java and one SQL and one js question

Q1. What is collections
Ans. 
Collections are data structures that store and organize multiple elements in a single unit.
• Collections provide methods to add, remove, and manipulate elements.

• Examples of collections include arrays, lists, sets, and maps.

• Collections can be used to efficiently manage and access large amounts of data.
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Q2. What is constructor
Ans. 
A constructor is a special method in a class that is automatically called when an object of that class is created.
• Constructors have the same name as the class they belong to

• They are used to initialize the object's state

• Constructors can have parameters to customize the initialization process
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Q3. What is data science
Ans. 
Data science is a field that uses scientific methods, algorithms, and systems to extract knowledge and insights from structured and unstructured data.
• Data science involves collecting, analyzing, and interpreting large amounts of data to make informed decisions.

• It combines statistics, machine learning, and domain knowledge to uncover patterns and trends in data.

• Data scientists use programming languages like Python and R...read more
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Q1. What is Hoisting?
Ans. 
Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during compilation.
• Variables and functions are hoisted to the top of their scope.

• Only declarations are hoisted, not initializations.

• Function declarations are hoisted before variable declarations.
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Q2. What is currying?
Ans. 
Currying is a technique in functional programming where a function with multiple arguments is transformed into a sequence of functions, each taking a single argument.
• Currying helps in creating reusable functions and improving code readability.

• It allows partial application of functions, where some arguments are fixed and others are left to be provided later.

• Example: const add = (a) => (b) => a + b; add(2)(3) will return
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Q1. Regarding MERN stack, AWS service ( Lambda, ECS), serverless, next js
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Docker image , easy leetcode

Q1. You have to be good bargaining skill because they pay way less than budget.
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3 coding question , leetcode easy medium and mcqs

Q1. Basic questions regarding Python e.g. magic functions, constructor in python, list, tuple
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Q2. Basic questions regarding FastAPI e.g. what is pydantic, ORM usage, BaseModel etc.
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Q3. Basic questions regarding SQL e.g. No-SQL vs SQL, Indexing,
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On their recruitment.ai platform.

Q1. AWS services that you worked on?
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Q2. Behaviour questions
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