GitLab Senior Software Development Engineer Interview Questions and Answers

Q1. Tell me about yourself. Why do you want to work here? What are your strengths and weaknesses? Why did you leave your previous job (or why are you looking for a new one)? Where do you see yourself in 5 year...read more
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Q2. These questions help HR gauge how well you would fit into the company culture and how your experience aligns with the role. It's a good idea to prepare for them with specific examples from your past experi...read more
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Q3. What are your strengths and weaknesses?
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Q4. What motivates you to perform at your best?
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Any one tell in gd in 5 minutes in english

1. Numerical Reasoning
- Example: "If a car travels 60 km in 1 hour, how long will it take to travel 150 km at the same speed?"

2. **Verbal Reasoning**
- Example: "Which of the following words is most similar in meaning to 'elated'? (a) Sad (b) Happy (c) Angry (d) Tired"

3. **Logical Reasoning**
- Example: "If all cats are animals, and all animals are living beings, are all cats living beings? (True/False)"

4. **Data Interpretation**
- Example: "Given a graph showing sales data over the past 12 months, what was the highest monthly sales figure?"

5. **Pattern Recognition**
- Example: "What comes next in the series: 2, 4, 8, 16, __?"

6. **Mathematical Reasoning**
- Example: "If 3x + 4 = 19, what is the value of x?"

7. **Spatial Reasoning**
- Example: "Which shape is different from the others: Square, Circle, Triangle, Rectangle?"

8. **Time and Work Problems**
- Example: "If A can finish a task in 5 days and B can finish the same task in 10 days, how long will it take for both A and B to complete the task together?"

Tell me about yourself.
Why do you want to work here?
What are your strengths and weaknesses?
Why did you leave your previous job (or why are you looking for a new one)?
Where do you see yourself in 5 years?
Can you describe a time when you faced a challenge at work and how you handled it?
How do you prioritize your tasks?
What motivates you?
How do you handle working under pressure or tight deadlines?
What are your salary expectations?
How do you deal with conflict in the workplace?
Do you prefer working independently or as part of a team?
These questions help HR gauge how well you would fit into the company culture and how your experience aligns with the role. It's a good idea to prepare for them with specific examples from your past experie
The Aptitude test typically includes questions that assess your logical reasoning, problem-solving skills, and ability to think critically. It can cover a wide range of topics depending on the job you're applying for, but here are some common types of questions you might encounter:

Numerical Reasoning

Example: "If a car travels 60 km in 1 hour, how long will it take to travel 150 km at the same speed?"
Verbal Reasoning

Example: "Which of the following words is most similar in meaning to 'elated'? (a) Sad (b) Happy (c) Angry (d) Tired"
Logical Reasoning

Example: "If all cats are animals, and all animals are living beings, are all cats living beings? (True/False)"
Data Interpretation

Example: "Given a graph showing sales data over the past 12 months, what was the highest monthly sales figure?"
Pattern Recognition

Example: "What comes next in the series: 2, 4, 8, 16, __?"
Mathematical Reasoning

Example: "If 3x + 4 = 19, what is the value of x?"
Spatial Reasoning

Example: "Which shape is different from the others: Square, Circle, Triangle, Rectangle?"
Time and Work Problems

Example: "If A can finish a task in 5 days and B can finish the same task in 10 days, how long will it take for both A and B to complete the task together?"
To prepare, it's helpful to practice problems in these areas. Many online platforms offer free aptitude tests to help you improve your skills before the actual test.


Case study
In a case study interview, you'll be given a real-world business problem and asked to analyze the situation and come up with solutions or recommendations. The goal is to evaluate your problem-solving, analytical thinking, and decision-making abilities.

**Coding tests** are commonly used in technical interviews to evaluate your programming skills. These tests usually involve solving algorithmic problems, debugging code, or writing efficient code to handle certain tasks. Here are the general types of coding tests you might encounter:

### 1. **Algorithm and Data Structure Questions:**
These focus on your ability to use algorithms and data structures to solve problems efficiently.
- **Sorting and Searching**
Example: Implement a sorting algorithm like QuickSort or MergeSort, or write a binary search function.
- **Linked Lists**
Example: Reverse a linked list or detect a cycle in a linked list.
- **Trees and Graphs**
Example: Find the height of a binary tree, or perform a breadth-first search (BFS) or depth-first search (DFS) on a graph.
- **Dynamic Programming**
Example: Solve problems like the Fibonacci sequence, the knapsack problem, or longest common subsequence.
- **Recursion**
Example: Write a function that calculates factorials or solves the Towers of Hanoi problem.

### 2. **String Manipulation:**
These problems test your ability to handle and manipulate strings efficiently.
- Example: Write a function to check if a string is a palindrome, or find the longest substring without repeating characters.

### 3. **Mathematical Problems:**
These involve solving problems with mathematical concepts.
- Example: Check if a number is prime, or find the greatest common divisor (GCD) of two numbers.

### 4. **Array and Matrix Problems:**
These involve operations and algorithms on arrays or matrices.
- Example: Rotate a matrix, find the maximum sum subarray (Kadane’s algorithm), or merge two sorted arrays.

### 5. **Problem Solving with Constraints:**
In some cases, you may be given a problem where you need to optimize for time or space complexity.
- Example: Write an algorithm that finds the shortest path in a maze with obstacles, and ensure that it runs in O(n log n) time.

### 6. **Debugging:**
In some coding tests, you might be asked to debug a given piece of code that’s producing errors or incorrect output.

### 7. **Object-Oriented Design:**
These questions test your ability to design systems and classes using object-oriented principles.
- Example: Design a class to represent a library system, or implement a parking lot with multiple types of vehicles.

---

### Tips for Coding Tests:

1. **Understand the Problem:**
- Read the problem statement carefully before jumping into writing code.
- Clarify the input, output, and constraints with the interviewer (if needed).

2. **Plan Your Approach:**
- Before writing code, think about the algorithm you’ll use and the time/space complexity.
- Break down the problem into smaller steps and outline your solution.

3. **Write Clean, Efficient Code:**
- Focus on writing readable and efficient code.
- Optimize your solution to handle edge cases and large input sizes.

4. **Test Your Solution:**
- Test your code with sample inputs, including edge cases (empty input, large numbers, etc.).

5. **Communicate Your Thought Process:**
- As you write your code, explain your approach to the interviewer. This shows your problem-solving process.

### Example Coding Problem:

**Problem:**
Write a function to find the "Nth" Fibonacci number.

**Solution:**
```python
def fibonacci(n):
if n <= 1:
return n
a, b = 0, 1
for i in range(2, n+1):
a, b = b, a + b
return b
```

**Explanation:**
- The Fibonacci sequence starts with 0 and 1, and each subsequent number is the sum of the two preceding ones.
- We use an iterative approach to calculate the Fibonacci number at the nth position.

### Practice Platforms:
To prepare for coding tests, you can practice on the following platforms:
- **LeetCode**
- **HackerRank**
- **CodeSignal**
- **Codewars**
- **Exercism**

These platforms provide a wide variety of problems to improve your coding skills and familiarize yourself with common interview questions.

An **assignment** in the context of a job or academic setting is typically a task or project that you're asked to complete as part of your evaluation. The nature of the assignment will depend on the type of role or course you're involved with. Below are a few types of assignments you might encounter, along with how you can approach them:

### 1. **Technical Assignment (for a tech role)**
If you're applying for a technical position (like software engineering or data science), you might be given a coding or algorithm-based task. This could include:
- **Building a program or web app**: You might be asked to create a simple application, implement an algorithm, or design a feature based on the company’s needs.
- **Data Analysis**: Given a dataset, you may be required to clean, analyze, and extract insights from it using tools like Excel, SQL, Python, or R.
- **Problem-Solving Tasks**: Solve algorithmic problems or complete coding challenges (similar to those in a coding interview).

**Approach:**
- **Understand the requirements**: Read the assignment carefully, understand the scope, and ask any questions if something isn’t clear.
- **Plan your solution**: Break down the task into smaller steps. Plan your code, database queries, or analysis method.
- **Test thoroughly**: Ensure your code or solution works with a variety of inputs, including edge cases.
- **Document your work**: Include comments in your code, and provide a brief explanation of your approach and thought process.

---

### 2. **Business Assignment (for a business role)**
In a business-related position, the assignment could involve:
- **Case Studies**: You may be given a hypothetical business problem, like a company facing challenges in sales or operations. You'll need to analyze the issue, suggest solutions, and present them clearly.
- **Market Research**: Conduct research about an industry or competitors, analyze trends, and compile a report with insights and recommendations.
- **Business Strategy**: Devise a strategy to help a company grow, expand its market, or improve operations.

**Approach:**
- **Identify key issues**: Make sure to fully understand the business problem, and highlight any key challenges.
- **Gather data**: Use relevant data, facts, or market trends to support your arguments.
- **Develop a solution**: Propose actionable solutions with clear reasoning, potential risks, and benefits.
- **Present your findings**: Structure your report or presentation logically, and be ready to defend your solution.

---

### 3. **Design or Creative Assignment**
For roles in design (graphic design, UX/UI, etc.), the assignment may involve:
- **Creating visual designs**: You could be tasked with designing logos, web pages, or app interfaces.
- **Developing a brand concept**: Designing a complete branding package, such as a logo, color scheme, and typography.
- **Wireframing or Prototyping**: Designing a prototype for a mobile or web application.

**Approach:**
- **Understand the brand or problem**: Research the company or product and ensure your design aligns with its values, audience, and goals.
- **Sketch or wireframe first**: Create initial mock-ups or wireframes before jumping into the final design.
- **Seek feedback**: If possible, get feedback from others to improve your design.
- **Present your design**: Provide context on how your design decisions align with the brand or project goals.

---

### 4. **Writing Assignment**
In fields like marketing, journalism, or academia, writing assignments are common. These might include:
- **Content creation**: Write a blog post, article, or social media content.
- **Research paper or essay**: You may be asked to write a research paper, analysis, or essay on a particular topic.
- **Copywriting**: Write persuasive copy for advertisements, websites, or product descriptions.

**Approach:**
- **Research thoroughly**: Understand the topic you're writing about, and gather credible sources or data.
- **Create an outline**: Organize your thoughts logically before writing the full content.
- **Write and revise**: Draft the assignment, then revise it for clarity, conciseness, and flow.
- **Proofread**: Make sure your writing is free of grammar or spelling errors.

---

### General Tips for Completing an Assignment:

- **Time Management**: Plan your time carefully. Break down the assignment into smaller tasks and set deadlines for each task.
- **Quality over Quantity**: Focus on providing a well-thought-out solution rather than rushing to complete a lot of work.
- **Seek Feedback**: If you're unsure about your approach, don't hesitate to ask for feedback from colleagues, peers, or mentors.
- **Polish Your Presentation**: Whether it's a report, code, or design, make sure your final deliverable is polished and easy to understand.

---

Would you like more specific guidance on a particular type of assignment you're working on?

Q1. What is ambitionBox
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Q2. What is the role of a software developer?
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Q3. *****
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Q4. What is my role in company
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Q5. What is the TCS full form
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Q6. What is the meaning of ambition box
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Q7. What is TCS Benefits
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Q8. What are you anyway happy to hear
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Coding - 1 hr, Graph

Coding - 1hr, Algo + Implementation, Bitwise, Prefix search, Intervals.

Coding - 1 hr, Implementation, Testing.

Q1. Details around projects.
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Q2. Standard Behavioural Questions.
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Coding - 1hr, Systems Design with coding, Multithreading.

C and Golang related questions, 2 Hours assement, The test involved writing code by hand in paper in the office (Bengaluru)

Q1. Write a go code to remove duplicate elements from a slice.
Ans. 
Go code to remove duplicate elements from a slice of strings
• Use a map to keep track of unique elements

• Iterate over the slice and add elements to the map

• Create a new slice with unique elements from the map
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Q2. Difference between array and slice in Go.
Ans. 
Arrays have fixed length, slices are dynamic and can grow/shrink. Slices are references to arrays.
• Arrays have fixed length, specified at compile time.

• Slices are dynamic, can grow or shrink at runtime.

• Slices are references to arrays, allowing for more flexibility.

• Example: var arr [3]string // array with fixed length of 3

• Example: slice := make([]string, 0) // slice with dynamic length
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Q3. Explain struct and interface
Ans. 
Struct is a user-defined data type that groups related data fields together. Interface defines a set of methods that a type must implement.
• Struct is used to create complex data structures by grouping related data fields together.

• Interface defines a set of methods that a type must implement. It allows for polymorphism in Go.

• Example: type Person struct { Name string; Age int }

• Example: type Shape interface { Area() float6...read more
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Q4. What is containerization.
Ans. 
Containerization is a method of packaging, distributing, and running applications in isolated environments called containers.
• Containers are lightweight, portable, and can run on any platform that supports containerization.

• They include everything needed to run the application, such as code, runtime, system tools, libraries, and settings.

• Popular containerization tools include Docker, Kubernetes, and Podman.

• Containerizati...read more
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Q5. Write a go code to implement struct.
Ans. 
Implementing a struct in Go code
• Define a struct using the 'type' keyword

• Add fields to the struct with their respective data types

• Access struct fields using dot notation
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Q6. Explain goroutine.
Ans. 
Goroutine is a lightweight thread managed by Go runtime, allowing concurrent execution of functions.
• Goroutines are created using the 'go' keyword in Go programming language.

• They are more lightweight than threads and are managed by the Go runtime.

• Goroutines allow for concurrent execution of functions without the need for manual thread management.

• Example: go myFunction()

• Example: go func() { // code here }
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Q7. How do you achieve concurrency in Go?
Ans. 
Concurrency in Go is achieved using goroutines and channels.
• Use goroutines to run functions concurrently

• Communicate between goroutines using channels

• Avoid using shared memory for synchronization
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Q8. What is channel in Go? What are the differences between buffered and unbuffered channel?
Ans. 
A channel in Go is a communication mechanism that allows goroutines to communicate with each other.
• Buffered channels have a specific capacity and can send multiple values without the need for a corresponding receive operation immediately.

• Unbuffered channels have no capacity and require both a send and receive operation to be ready at the same time for communication to occur.
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Q9. What is scaling? Horizontal and vertical scaling.
Ans. 
Scaling refers to the ability of a system to handle increasing amounts of work or its potential to accommodate growth.
• Horizontal scaling involves adding more machines to distribute the load, while vertical scaling involves increasing the resources of a single machine.

• Horizontal scaling is more cost-effective and provides better fault tolerance, but can be more complex to implement.

• Vertical scaling is simpler to impleme...read more
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Q1. REST API for User CRUD
Ans. 
Design a RESTful API for CRUD operations on user resources.
• Use HTTP methods like GET, POST, PUT, DELETE for CRUD operations

• Create endpoints like /users for listing all users, /users/{id} for specific user

• Use status codes like 200 for success, 404 for not found, 400 for bad request

• Implement authentication and authorization mechanisms for security

• Include request and response body formats like JSON or XML
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Q2. Two Sum Leetcode problem
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Q3. Basic questions based on the candidate technical skills
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Q1. Basics to Intermediate level of questions based on the skills mentioned in the resume
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Q2. Projects related discussions
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Q1. I was informed to upload the supporting documents. ( They rejected me after this eventhough all my documents are genuine )
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Q1. Salesforce Security Model
Ans. Allows Various levels of Security: Organization Level, Object Level, Field Level, Record Level
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Q1. Salary Expectations
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It is all concepts for communication skills

This is some role of the coding ,for example: java,html,css,javascript like that coding

Q1. Subject based questions they are asking
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Q1. Overall details asking them
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This is observed the skills