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I applied via LinkedIn and was interviewed in Mar 2023. There were 4 interview rounds.
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
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...
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...
I applied via Naukri.com and was interviewed before Aug 2022. There were 4 interview rounds.
I applied via LinkedIn and was interviewed in Nov 2022. There were 2 interview rounds.
What people are saying about Luxoft
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
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
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.
Luxoft interview questions for designations
I applied via Recruitment Consulltant and was interviewed before May 2023. There were 3 interview rounds.
Different javacript questions like a function with promises, settimeouts and console.logs to know which is the order of the result.
Get interview-ready with Top Luxoft Interview Questions
I applied via Naukri.com and was interviewed in Jul 2022. There were 3 interview rounds.
Array questions asked with sorting and total count for particular number and index print
Linked list coding, hashmap internal coding demonstration.
I was interviewed before Feb 2022.
I applied via Company Website and was interviewed before Jan 2022. There were 2 interview rounds.
My goal is to become a highly skilled software engineer and contribute to innovative projects. My family background is supportive and has encouraged my pursuit of a career in technology.
Goal: Become a highly skilled software engineer
Contribute to innovative projects
Family background: Supportive and encouraging
Pursuit of a career in technology
Some of the top questions asked at the Luxoft Software Engineer interview -
based on 9 interviews
2 Interview rounds
based on 35 reviews
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