Freshworks Interview Questions, Process, and Tips

One hour aptitude test

Q1. Explain Software development life cycle
Ans. 
Software development life cycle is a process used by software development teams to design, develop, test, and deploy software.
• It involves planning, designing, coding, testing, and deployment stages.

• Each stage has specific goals and deliverables.

• Examples of SDLC models include Waterfall, Agile, and DevOps.
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Q2. Related to data structures
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Q1. Final HR Round about self introduction
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Q1. Find count of hard nodes in a binary tree ? A node is a hard node if it's current value is greater than its root's value.
Ans. 
Count the number of hard nodes in a binary tree.
• Traverse the binary tree using any traversal algorithm.

• Compare the value of each node with its root's value.

• Increment the count if the node's value is greater than its root's value.
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Q2. Find the department with maximum number of students ? Department table: Id, dept_name Student table: I'd, stident_name, dept_id
Ans. 
The department with the maximum number of students needs to be found.
• Join the Department and Student tables on the dept_id column

• Group the data by department

• Count the number of students in each department

• Find the department with the maximum count
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Q3. How caching works ?
Ans. 
Caching is a technique used to store frequently accessed data in a temporary storage for faster retrieval.
• Caching improves performance by reducing the need to fetch data from the original source.

• It involves storing data in a cache, which is a high-speed storage system closer to the user or application.

• When a request is made for data, the cache is checked first, and if the data is found, it is returned quickly.

• If the da...read more
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Q1. System design For bookmyshow. They asked me only to design the DB tables and their relationships. (Not asked the full design)
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Q2. When to have SQL and NoSql db ?
Ans. 
SQL databases are suitable for structured data and complex queries, while NoSQL databases are better for unstructured data and high scalability.
• Use SQL databases when data has a fixed schema and relationships between entities are well-defined.

• Use NoSQL databases when data is unstructured or semi-structured, and when high scalability and performance are required.

• SQL databases are better for complex queries involving mul...read more
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Q3. Questions about specific cases in my current project? Had I faced any struggles and how did I solved them ?
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3 to 4 coding questions were asked

Q1. Algorithm related
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Q2. Coding questions
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Q1. Details about my work. How to solve for analytics requirements of both mid sized and enterprise companies?
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How would you design phone for blind? How would you design a search with data distributed in multiple systems?

Q1. How would you prioritize? How would you work with engineering team?
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