Avalara Technologies Senior Technical Lead Interview Questions and Answers

Q1. DSA question and algorithm
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Q2. Collection abstract and interface
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Q1. Basic HR question
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Q2. Salary discussions and project allotment
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Q1. Questions were mostly around system design, you will be given a case like a stock system and specific use case is asked to design end to end from UI to backend.
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Q2. Some of the system debugging/performance improvement questions are asked from both UI and backend.
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Q1. Transaction in Spring Boot
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Transactions in Spring Boot help manage database operations as a single unit of work.
• Transactions ensure ACID properties (Atomicity, Consistency, Isolation, Durability) for database operations.

• Use @Transactional annotation to mark a method as transactional.

• Transactions can be managed programmatically using TransactionTemplate.

• Rollback can be triggered manually in case of exceptions.

• Spring Boot supports both declarative...read more
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Q2. Java Array and problem solving
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Essay writing to check english.

Q1. Basic questions about past experience
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Q1. Questions about past experience and management skills
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Easy assignment with basic questions on patent

Q1. JVM Structure. explanation in details ?
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Q2. Write to check whether given number is perfect Square or not ?
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A perfect square is an integer that is the square of another integer, indicating whole number roots.
• Definition: A perfect square is a number that can be expressed as the product of an integer with itself. For example, 16 is a perfect square (4 * 4).

• Mathematical Check: To check if a number 'n' is a perfect square, calculate the square root of 'n' and see if it is an integer.

• Example: For n = 25, sqrt(25) = 5, which is an...read more
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