TEKsystems Interview Questions, Process, and Tips

Q1. Data structures related questions
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Q2. Design principle related questions
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Q3. Microservices related questions
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Q4. Difference between SOA and microservices
Ans. 
SOA is a design pattern where components are designed to communicate via services, while microservices is an architectural style where an application is composed of small, independent services.
• SOA focuses on reusability and interoperability of services

• Microservices focuses on breaking down an application into small, independent services

• SOA typically uses a centralized ESB for communication

• Microservices communicate via ...read more
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Q5. Performance fine tuning related questions
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Create a design to build a app for ice cream parlour

6 sections with section timings
Aptitude 10 questions
Reasoning 10 questions
Coding 1(30min)
Data structure 10
Pseudo Code 10
About Company 5

Topic 1-drone
Topic - self driving cars

Q1. Program to count spaces in string Program to print only digits in string
Ans. 
Program to count spaces and print digits in string
• For counting spaces, loop through the string and check for ' ' character

• For printing digits, loop through the string and check for '0' to '9' characters

• Use isdigit() function in Python to check for digits

• Use a counter variable to keep track of spaces

• Use a separate string variable to store digits and print it at the end
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Q2. Why string is immutable
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String is immutable because it cannot be changed once created.
• Immutable objects are safer to use in multi-threaded environments

• String pool in Java is possible because of immutability

• StringBuffer and StringBuilder are mutable alternatives to String
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Q3. About Constructor Dictionary Access modifiers in python
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Q1. Which is difficult program that you wrote in python Which is difficult program wrote in c Dictionary use with code implications
Ans. 
Difficult program in Python: A web scraper to extract data from dynamic websites. Difficult program in C: A program to implement a custom data structure.
• Python program required knowledge of web scraping libraries like BeautifulSoup and Selenium

• C program required understanding of memory management and pointers

• Python program had to handle dynamic website elements and login authentication

• C program had to implement a custo...read more
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Q1. Self intro About Company Hobbies Related to resume
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Q1. Self intro Intrested field
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Q1. Programming Java dot net scenario questions
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Q1. General questions like scenario and reason for leaving
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Q1. Tell me about your self
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Q2. What are the technical skill
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Q1. How many years of experience in Python?
Ans. 
I have 5 years of experience in Python.
• 5 years of hands-on experience in Python programming

• Proficient in developing web applications, data analysis, and automation scripts using Python

• Familiar with popular Python libraries and frameworks such as Django, Flask, and NumPy
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Q2. What is the difference between List and Tuple?
Ans. 
List is mutable, Tuple is immutable in Python.
• List can be modified after creation, Tuple cannot be modified.

• List is defined using square brackets [], Tuple is defined using parentheses ().

• Example: list_example = [1, 2, 3], tuple_example = (1, 2, 3)
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Q3. What is lambda function?
Ans. 
A lambda function is a small anonymous function defined using the lambda keyword in Python.
• Lambda functions can take any number of arguments, but can only have one expression.

• They are commonly used as a way to create small, throwaway functions.

• Lambda functions are often used in conjunction with functions like map(), filter(), and reduce().
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Q4. What are the Data types used in your project?
Ans. 
The data types used in the project include integers, strings, floats, and booleans.
• Integers are used for storing whole numbers, such as IDs or quantities.

• Strings are used for storing text data, such as names or descriptions.

• Floats are used for storing decimal numbers, such as prices or measurements.

• Booleans are used for storing true/false values, such as status indicators.
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Q5. Write a code having square of a series which is divisible by 3 using lambda function ?
Ans. 
Code to find square of series divisible by 3 using lambda function.
• Create a list of numbers in the series

• Use filter() function with lambda function to filter numbers divisible by 3

• Use map() function with lambda function to find square of each number
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Easy questions can be solved simply

Nothing much have to speak about topic

Q1. Basics dsa stuff have to write code
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Q2. Basic oops questions which also can be answered easily
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Which of the following one is better, iOS or Android

List manipulation questions