ThoughtWorks Application Developer Interview Questions, Process, and Tips

Online hackerrank test

Q1. Code pairing round
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Q2. Solving a problem and improving it
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Q1. Question on previous experience
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Q1. Basic HR questions
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Domain modeling, oops, clean code

Q1. General technical dicussions in resume
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Q2. About project we worked on?
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Q3. LLD system design question
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Q1. Basic dsa questions would be asked
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Q1. OOP questions , clean coding
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Q1. Python basic questions
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Q2. Why python is used for data science
Ans. 
Python is used for data science due to its simplicity, readability, extensive libraries, and community support.
• Python is easy to learn and read, making it accessible for beginners and experts alike

• Python has a wide range of libraries like NumPy, Pandas, and Scikit-learn for data manipulation and analysis

• Python has a strong community support with active forums and resources for data science enthusiasts

• Python's versatili...read more
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Q3. Questions related to projects
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Q4. Hasmap working on the backend
Ans. 
HashMap is a data structure commonly used in backend development for efficient key-value storage and retrieval.
• HashMap is a collection that stores key-value pairs and allows for fast retrieval of values based on keys.

• It is commonly used in backend development for caching, session management, and data storage.

• Example: HashMap employeeSalaries = new HashMap<>(); employeeSalaries.put("Alice", 50000); int
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Some Object Oriented question

Extension of the previous problem and code pairing

Q1. Fav sorting algorithm and explanation
Ans. 
Quick Sort - efficient, divide and conquer approach
• Efficient sorting algorithm with average time complexity of O(n log n)

• Uses divide and conquer approach by selecting a 'pivot' element and partitioning the array around the pivot

• Example: Sorting an array of integers in ascending order
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Q2. How does multithreading work
Ans. 
Multithreading allows multiple threads to execute concurrently within a single process.
• Multithreading allows for parallel execution of tasks within a single process.

• Each thread has its own stack and runs independently of other threads.

• Threads share the same memory space, allowing for communication and data sharing.

• Multithreading can improve performance by utilizing multiple CPU cores efficiently.

• Examples of multithread...read more
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Q1. How are you as a person
Ans. 
I am a dedicated and detail-oriented individual with a passion for problem-solving and continuous learning.
• Dedicated to completing tasks efficiently and effectively

• Detail-oriented in my work to ensure accuracy

• Passionate about problem-solving and finding innovative solutions

• Continuous learner, always seeking to expand my knowledge and skills
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Q2. Some questions about Deepika Padukone
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