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Xalta Technology Services RPA Developer Interview Questions and Answers
21 Interview questions
Some searching algorithms include linear search, binary search, depth-first search, and breadth-first search.
Linear search: Iterates through each element in a list until the desired element is found.
Binary search: Divides a sorted array in half to determine if the target value is in the lower or upper half.
Depth-first search: Explores as far as possible along each branch before backtracking.
Breadth-first search: E...
Yes, I am familiar with various algorithms commonly used in RPA development.
I am familiar with sorting algorithms like bubble sort, quick sort, and merge sort.
I have experience with searching algorithms such as linear search and binary search.
I am knowledgeable about graph algorithms like Dijkstra's algorithm and breadth-first search.
Binary Tree is a hierarchical data structure where each node has at most two children. Binary Search Tree is a type of binary tree where the left child is less than the parent and the right child is greater.
Binary Tree can have any values in any order, while Binary Search Tree follows a specific ordering based on the values.
In Binary Search Tree, searching for a value is more efficient as it follows a specific ord...
Linear data types have elements arranged in a sequential order, while non-linear data types do not have elements arranged in a sequential order.
Linear data types include arrays, linked lists, and queues.
Non-linear data types include trees and graphs.
Linear data types have a single path to traverse all elements, while non-linear data types have multiple paths.
Encapsulation is the concept of bundling data and methods that operate on the data into a single unit. Polymorphism allows objects to be treated as instances of their parent class.
Encapsulation helps in hiding the internal state of an object and restricting access to it.
Polymorphism allows objects of different classes to be treated as objects of a common superclass.
Encapsulation ensures data integrity and prevents...
I am comfortable with Python as a programming language.
Python is known for its simplicity and readability, making it a popular choice for developers.
It has a large standard library and community support, making it easy to find resources and solutions.
Python is versatile and can be used for web development, data analysis, automation, and more.
Xalta Technology Services HR Interview Questions
Classes in programming provide a way to organize and structure code by grouping related data and functions together.
Classes help in organizing code by grouping related data and functions together
Encapsulation allows for data hiding and protection
Inheritance enables code reusability and promotes the DRY (Don't Repeat Yourself) principle
Polymorphism allows for flexibility and extensibility in code design
Product life cycle refers to stages a product goes through from introduction to withdrawal, while software life cycle refers to stages a software goes through from development to retirement.
Product life cycle includes introduction, growth, maturity, and decline stages.
Software life cycle includes planning, development, testing, deployment, and maintenance stages.
Product life cycle focuses on physical products, whi...
Find the missing and duplicated numbers in an array of strings.
Convert the array of strings to integers for easier manipulation.
Calculate the sum of all numbers in the array and compare it to the sum of numbers from 1 to n, where n is the length of the array.
The difference between the two sums will give you the missing number.
To find the duplicated number, keep track of the frequency of each number in a hashmap.
Inner join will have more number of rows compared to outer join.
Inner join returns only the matching rows between two tables
Outer join returns all rows from one table and matching rows from the other table
Example: If Table A has 10 rows and Table B has 8 rows, inner join will have maximum 8 rows while outer join can have maximum 10 rows
Xalta Technology Services RPA Developer Interview Experiences
2 interviews found
Anonymous
Selected
I appeared for an interview in Dec 2024, where I was asked the following questions.
- Q1. In detail overview on final year project
- Q2. Basic dsa, cns, dbms
Selected
I applied via Internshala and was interviewed in May 2023. There were 3 interview rounds.
(15 Questions)
- Q1. What is procedural language and object oriented language? Which one is better? What are the examples of both?
- Ans.
Procedural language focuses on procedures and functions, while object-oriented language focuses on objects and classes.
Procedural language: C, Pascal, BASIC
Object-oriented language: Java, C++, Python
Procedural languages are better for small projects, while object-oriented languages are better for large and complex projects
- Q2. What is encapsulation and polymorphism?
- Q3. What is fundamental data types and derived data types? What is the difference?
- Ans.
Fundamental data types are basic data types provided by a programming language, while derived data types are created by combining fundamental data types.
Fundamental data types include integers, floating-point numbers, characters, and booleans.
Derived data types are created by combining fundamental data types, such as arrays, structures, and classes.
The main difference is that fundamental data types are predefined by th...
- Q4. What is linear data types and non linear data types?
- Q5. Difference between Binary Tree and Binary Search Tree?
- Q6. Do you know any algorithms?
- Ans.
Yes, I am familiar with various algorithms commonly used in RPA development.
I am familiar with sorting algorithms like bubble sort, quick sort, and merge sort.
I have experience with searching algorithms such as linear search and binary search.
I am knowledgeable about graph algorithms like Dijkstra's algorithm and breadth-first search.
- Q7. Name some sorting algorithms?
- Q8. Name some searching algorithms?
- Q9. What is recursion? Where we can use it? Why do you think we can use recursion there?
- Ans.
Recursion is a programming technique where a function calls itself to solve a problem.
Recursion is used in scenarios where a problem can be broken down into smaller subproblems of the same type.
Examples include factorial calculation, Fibonacci sequence generation, and tree traversal.
Recursion is useful when the problem can be solved by solving a smaller version of the same problem.
- Q10. Why you want to become RPA developer?
- Q11. What is RPA? Do you have seen what kind of problems that RPA solve or what it does, its uses?
- Ans.
RPA stands for Robotic Process Automation, which is the use of software robots to automate repetitive tasks.
RPA can automate tasks such as data entry, data extraction, form filling, and report generation.
It can improve efficiency by reducing human errors and speeding up processes.
RPA is used in various industries like finance, healthcare, and manufacturing.
Examples of RPA tools include UiPath, Blue Prism, and Automatio...
- Q12. What are different Software Development Life Cycle? What are the steps in it?
- Ans.
Software Development Life Cycle (SDLC) is a process used by software development teams to design, develop, and test high-quality software.
Waterfall Model: Sequential approach with distinct phases like requirements, design, implementation, testing, and maintenance.
Agile Model: Iterative approach with continuous feedback and collaboration between cross-functional teams.
Spiral Model: Combination of iterative and waterfall...
- Q13. What is difference between product life cycle and software life cycle?
- Ans.
Product life cycle refers to stages a product goes through from introduction to withdrawal, while software life cycle refers to stages a software goes through from development to retirement.
Product life cycle includes introduction, growth, maturity, and decline stages.
Software life cycle includes planning, development, testing, deployment, and maintenance stages.
Product life cycle focuses on physical products, while so...
- Q14. What are the benefits of class?
- Ans.
Classes in programming provide a way to organize and structure code by grouping related data and functions together.
Classes help in organizing code by grouping related data and functions together
Encapsulation allows for data hiding and protection
Inheritance enables code reusability and promotes the DRY (Don't Repeat Yourself) principle
Polymorphism allows for flexibility and extensibility in code design
- Q15. What is the Version Controlling? What is the use of it?
- Ans.
Version controlling is a system that records changes to a file or set of files over time so that you can recall specific versions later.
Version controlling helps in tracking changes made to code or files over time.
It allows multiple developers to work on the same project without interfering with each other's work.
It helps in reverting back to previous versions of code in case of errors or bugs.
Popular version controlli...
(7 Questions)
- Q1. Which language you are comfortable with? (Here I said Python)
- Q2. What is interpreted language and compile language? What is difference between interpreted language and compile language? Give examples of both.
- Ans.
Interpreted languages are executed line by line while compiled languages are translated into machine code before execution.
Interpreted languages are executed line by line, translating and executing code simultaneously
Compiled languages are translated into machine code before execution, resulting in faster performance
Examples of interpreted languages: Python, JavaScript, Ruby
Examples of compiled languages: C, C++, Java
- Q3. Why we use interpreted languages?
- Ans.
Interpreted languages are used for their flexibility, ease of debugging, and platform independence.
Interpreted languages are easier to read and write compared to compiled languages.
They allow for dynamic typing, making it easier to work with different data types.
Interpreted languages are platform independent, meaning the code can run on any system with the interpreter installed.
Debugging is easier in interpreted langua...
- Q4. Difference between tuple and list?
- Q5. What are different types of joins?
- Q6. Which join will have more number of rows?
- Ans.
Inner join will have more number of rows compared to outer join.
Inner join returns only the matching rows between two tables
Outer join returns all rows from one table and matching rows from the other table
Example: If Table A has 10 rows and Table B has 8 rows, inner join will have maximum 8 rows while outer join can have maximum 10 rows
- Q7. Coding Question: Given list of array, one number is missing and instead of that one number is duplicated. Find the missing number and the number which is duplicated? (Only 1 Coding Question was asked)
- Ans.
Find the missing and duplicated numbers in an array of strings.
Convert the array of strings to integers for easier manipulation.
Calculate the sum of all numbers in the array and compare it to the sum of numbers from 1 to n, where n is the length of the array.
The difference between the two sums will give you the missing number.
To find the duplicated number, keep track of the frequency of each number in a hashmap.
Interview Preparation Tips
- Basic concepts of programming
- Oops pillar
- SDLC
- PDLC
- SQL joins
- BST vs BT
- Algorithms
- Recursion
Interviewers are really very good and understanding people, they will give you time, hint and also will encourage you to think of a possible answer. If you don't know any answer say "Sorry sir/madam, I don't know about it!". You can give them answers in your own way, no need to be exact if you don't know proper definition, just say what you know, as they only want to check that you know the concept. Pro tip: Always say Python is the language you are comfortable in, questions on python are really very easy and it is very easy to solve coding problem in python as well. Prepare the questions which I have given, they are very basic and will be asked, they are more than enough.
Skills evaluated in this interview
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Interview questions from similar companies
Swathi Agarwal
Selected
I appeared for an interview in Mar 2025, where I was asked the following questions.
- Q1. What is the difference between supervised and unsupervised learning
- Ans.
Supervised learning uses labeled data for training, while unsupervised learning identifies patterns in unlabeled data.
Supervised learning requires labeled datasets, e.g., predicting house prices based on features like size and location.
Unsupervised learning works with unlabeled data, e.g., clustering customers based on purchasing behavior.
In supervised learning, the model is trained to minimize error between predicted ...
- Q2. Explain a project where you used python for data analysis
Selected
I appeared for an interview in Jun 2025, where I was asked the following questions.
- Q1. What is the use of preventpefault() in React?
- Ans.
preventDefault() in React prevents the default action of an event from occurring, allowing for custom behavior.
Used in event handlers to stop default browser actions, e.g., preventing form submission.
Example: <form onSubmit={(e) => { e.preventDefault(); handleSubmit(); }}>...</form>
Useful for handling custom validation before submission.
Can be applied to links to prevent navigation: <a href='#' onClic...
- Q2. What is Middleware?
- Q3. Why is server.js used?
- Ans.
server.js is a crucial file in Node.js applications, managing server configurations and routing requests.
Acts as the entry point for a Node.js application, initializing the server.
Handles incoming requests and routes them to appropriate handlers.
Configures middleware for processing requests, such as body parsing or logging.
Can define API endpoints, e.g., app.get('/api/users', (req, res) => { ... });
Facilitates conne...
- Q4. How is Tailwind CSS better than normal (traditional) CSS?
- Ans.
Tailwind CSS offers utility-first styling, promoting faster development and easier maintenance compared to traditional CSS.
Utility-first approach: Tailwind provides utility classes like 'bg-blue-500' for background color, reducing the need for custom CSS.
Faster prototyping: With pre-defined classes, developers can quickly build layouts without writing extensive CSS.
Responsive design: Tailwind includes responsive utilit...
I applied via Recruitment Consultant and was interviewed in Jun 2021. There were 5 interview rounds.
Interview Questionnaire
1 Question
- Q1. Realted to my previous job
Interview Preparation Tips
Selected
I applied via LinkedIn and was interviewed before Jul 2023. There were 2 interview rounds.
Problem solving approach check
(2 Questions)
- Q1. Case study and problem solving
- Q2. Root cause Analysis
I applied via Referral and was interviewed in Sep 2024. There was 1 interview round.
(3 Questions)
- Q1. How to calculate requirement of Banana is a city like Mumbai
- Ans.
The requirement of bananas in a city like Mumbai can be calculated based on population, consumption habits, and availability.
Calculate the population of Mumbai
Estimate the average consumption of bananas per person
Consider factors like tourism and events that may increase demand
Take into account the availability of bananas from local markets and imports
- Q2. How to know , difference between a good or bad retailer
- Ans.
A good retailer focuses on customer satisfaction, product quality, and efficient operations.
Good retailers prioritize customer satisfaction by providing excellent customer service and addressing customer needs.
Good retailers offer high-quality products that meet customer expectations.
Good retailers have efficient operations, including inventory management, supply chain logistics, and streamlined processes.
Bad retailers...
- Q3. Simple SQL questions
Interview Preparation Tips
- Guess Estimate
- SQL
I applied via Recruitment Consulltant and was interviewed before Apr 2022. There were 2 interview rounds.
(2 Questions)
- Q1. About myself, reason for living for previous company, and rolls an responsibility
- Q2. Rolls an responsibility
Interview Preparation Tips
Selected
I applied via Company Website and was interviewed in Sep 2023. There were 4 interview rounds.
(2 Questions)
- Q1. Education Details
- Q2. Skills, Strength
CRUD Application using Angular
(1 Question)
- Q1. Node.js, OOPs concepts
(2 Questions)
- Q1. About the project
- Ans.
I worked on a project analyzing customer data to improve sales strategies and enhance user experience.
Utilized SQL to extract and manipulate large datasets from the company's database.
Conducted exploratory data analysis using Python libraries like Pandas and Matplotlib.
Developed visualizations to present findings to stakeholders, highlighting key trends.
Implemented A/B testing to evaluate the effectiveness of different...
- Q2. SQL queries to write
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