Iksula Software Engineer Interview Questions and Answers

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Linked list coding, hashmap internal coding demonstration.

Q1. Salary expectation , nothing much why you want to join....
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Q1. What do you do for performance improvement while using ajax ?
Ans. 
Use caching, minimize data transfer, optimize server-side code.
• Implement caching to reduce server requests

• Minimize data transfer by sending only necessary data

• Optimize server-side code for faster response time
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Q2. What is transaction in database ?
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A transaction in a database is a sequence of operations that are treated as a single unit of work.
• Transactions ensure data consistency and integrity.

• They allow multiple operations to be grouped together and either all succeed or all fail.

• ACID properties (Atomicity, Consistency, Isolation, Durability) are maintained in transactions.

• Examples of transactions include transferring money between bank accounts or updating inv
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Q1. What activities do you perform for any new project?
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Q2. Can you connect directly to db using jscript ?
Ans. 
Yes, it is possible to connect to a database using JavaScript.
• JavaScript can connect to databases using APIs such as Web SQL, IndexedDB, and MongoDB.

• It is also possible to use Node.js to connect to databases using JavaScript.

• However, it is not recommended to connect to a database directly from client-side JavaScript due to security concerns.
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Q1. Basics about big data tools. Use case on Pyspark. How to add the new column and what is AQE benefits and Delta table optimisation tenchiques.
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Q2. Basics about Azure resources like ADF, Azure Databricks. Explained the project architecture and sone questions on that.
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Q3. Pyspark optimisation techniques explain and write scd type 2 sample code.
Ans. 
Optimisation techniques in Pyspark and sample code for SCD type 2
• Use broadcast variables to reduce data shuffling

• Partition data based on key columns to improve performance

• Use cache() or persist() to avoid recomputing data

• Use coalesce() or repartition() to reduce the number of partitions

• For SCD type 2, use merge() function to update or insert new records

• Example code for SCD type 2: https://github.com/awantik/pyspark-101
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Q1. How huge data your are working? What are toughest problem you faced and resolved it ?
Ans. 
I have worked with huge data sets in the past.
• I have experience working with data sets ranging from a few gigabytes to several terabytes.

• One of the toughest problems I faced was optimizing a query that was taking too long to execute.

• I resolved it by analyzing the query plan and identifying the bottleneck, then optimizing the query accordingly.

• Another challenge I faced was dealing with data inconsistencies, which I reso...read more
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Q2. Explain you project architecture ? Show some sample codes of the same.
Ans. 
Our project architecture follows a microservices approach with containerization using Docker and orchestration with Kubernetes.
• We have divided our application into smaller, independent services that communicate with each other through APIs.

• Each service is containerized using Docker, allowing for easy deployment and scaling.

• We use Kubernetes for orchestration, which automates the deployment, scaling, and management of o...read more
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Q1. Compensation decision and clear your doubts regarding organisation.
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Q1. Questions were on - C++11 - Data Structures - Multithreading - Virtual Functions
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Q2. 1 Coding question on vector and array
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Q1. Screening call with Hr
Ans. Talk about your last job responsibilities and your current salary expectation.
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Different javacript questions like a function with promises, settimeouts and console.logs to know which is the order of the result.

Q1. How is your ideal work and what you need to success
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Q2. To have a balance work between work and private life
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Q1. Dataflow related questions.
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Q2. Bigquery related questions
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Q1. As I am a CCM developer there were brief questions about the tool that's it
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Q2. The application was getting upgraded to a new one,I was some situation and asked how to solve it.
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Q1. The second round was with the delivery lead and he was mostly explaining about the work and the project
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Q1. This was on the employee benefits and salary negotiation
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