Toast Automation Engineer Interview Questions and Answers

The interview involved coding questions based on java (easy).

Q1. How would you create a movie theatre booking system.
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Q2. What new innovative implementation will you do to the existing system.
Ans. 
I would implement a machine learning algorithm to optimize the system's performance and efficiency.
• Implementing a recommendation system to suggest personalized content to users based on their preferences and behavior.

• Integrating natural language processing to improve the system's ability to understand and respond to user queries.

• Utilizing predictive analytics to forecast future trends and make data-driven decisions for...read more
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Q1. Tell me about yourself.
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Q2. Where do you see yourself in 5 years.
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Q3. Questions on knowledge check on latest IT technologies like cloud and blockchain
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5 out of 3 questions has to be cleared

Q1. What are variables
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Q2. Difference between declaration and definition
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Declaration is a statement that tells the compiler about the existence of a variable or function, while definition provides the actual implementation of the variable or function.
• Declaration introduces a name and its type to the compiler, while definition allocates memory for the variable or function.

• Declaration does not allocate memory, while definition does.

• Multiple declarations can exist for a single definition, but ...read more
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4 coding questions, 1 SQL coding question

Q1. Basic concepts of OOPs. Core Java questions. Method overloading, overriding. Hashmap implementation in Java.
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Q2. Primary key, Foreign key difference.
Ans. 
Primary key uniquely identifies a record, foreign key refers to a field in another table.
• Primary key is used to ensure uniqueness of a record in a table

• Foreign key is used to establish a relationship between two tables

• Primary key cannot be null, foreign key can be null

• Primary key is used as a reference in foreign key
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Q1. Interest in banking industry
Ans. 
I have a strong interest in the banking industry.
• I have studied finance and economics in college.

• I have completed internships at banks and financial institutions.

• I enjoy following the stock market and analyzing financial data.

• I am excited about the potential for technology to revolutionize banking.

• I believe that the banking industry plays a crucial role in the global economy.
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Q1. Write an algorithm to sort using bubble sort .. Write a flow chart to sort an array
Ans. 
Algorithm and flow chart for bubble sort on an array
• Compare adjacent elements and swap if necessary

• Repeat until no more swaps are needed

• Time complexity: O(n^2)

• Space complexity: O(1)
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Q2. Write a flow chart for sorting
Ans. 
A flow chart for sorting
• Start with an unsorted list

• Compare adjacent elements and swap if necessary

• Repeat until no more swaps are needed

• List is now sorted
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The coding test involved 3 DSA questions and I had 90 min to solve those. In terms of difficulty it would say they were simillar to Leetcode Medium

Q1. DSA question abiut how to store different pages and efficiently manage memory.
Ans. 
Efficient memory management for storing different pages involves data structures like page tables and algorithms for allocation.
• Use page tables to map virtual addresses to physical memory locations.

• Implement algorithms like Least Recently Used (LRU) for page replacement.

• Consider using a linked list or hash map for quick access to pages.

• Utilize memory pools to manage fixed-size memory blocks for pages.

• Example: In a web ...read more
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Q1. The HR interview revolved around my Tech Lead position in a project I was involved in college
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3rd party coding round

JS coding round. Focused on JS fundamentals and problem solving.

React coding round. Developing a UI

Q1. System design round
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Q1. Values Round. Focused on instances from life reflecting Atlassian values.
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Q1. Managerial Round
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Q1. Array,Priority Queue
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Q1. DSA Javascript-Promises, React state management
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Q1. Managerial round asked about last Project and work experience
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