Walking Tree Technical Lead Interview Questions and Answers

Q1. Oops concepts, core java
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Q2. Java 8 stream api and lambda
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Programming mandatory (c cpp java ...)

Q1. You should be technically sound as per mentioned in cv.
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Q1. Just a salary discussion
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Q1. Basic Question on C
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Q2. Linux basics, and domain specific
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Q1. Linux Internals
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Q2. Threads and processes
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Q1. Basic details, offer
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HackerRank Coding Test followed by one to one

Q1. Deep Dive into Programming Language questions
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Q2. System Design related questions
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Q1. Most of questions related project base and Apache Hadoop, Spark fundamental and also indept question in above areas
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Spark and Hadoop architecture, Linux command , python , pyspark question

Q1. They were asking related CTC, location etc.
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Q1. What is zero coupon bond?
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A zero coupon bond is a bond that pays no interest and is sold at a discount to its face value.
• Zero coupon bonds are also known as discount bonds.

• Investors buy these bonds at a price lower than their face value and receive the full face value at maturity.

• The difference between the purchase price and the face value is the investor's return.

• Zero coupon bonds are often used for long-term investments, such as retirement sa...read more
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Q2. What is corporate actions and how you record those in books?
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Corporate actions are events initiated by a company that can affect its stock price and shareholders. They are recorded in books through various accounting entries.
• Corporate actions include stock splits, dividends, mergers, acquisitions, and spin-offs.

• These actions are recorded in books through journal entries and adjustments to accounts such as retained earnings and stockholders' equity.

• For example, if a company decla...read more
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Q1. Sql is the most important , Focus on Joins ,Sub query and Sql basics
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Q2. Joining tables with different joins
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Joining tables with different joins in SQL
• Use INNER JOIN to return rows when there is at least one match in both tables

• Use LEFT JOIN to return all rows from the left table and the matched rows from the right table

• Use RIGHT JOIN to return all rows from the right table and the matched rows from the left table

• Use FULL JOIN to return rows when there is a match in one of the tables
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