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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...
Luxoft interview questions for popular designations
I have experience with Spring, Hibernate, and Apache Struts frameworks in Java development.
Used Spring framework for dependency injection and MVC architecture
Utilized Hibernate for ORM mapping and database interaction
Worked with Apache Struts for building web applications
Get interview-ready with Top Luxoft Interview Questions
I applied via Indeed and was interviewed in Oct 2023. There were 3 interview rounds.
I applied via Approached by Company and was interviewed in Dec 2022. There were 3 interview rounds.
Hackerrank coding test related to Java 8, Spring Boot and some other JPA stuff. The recruiter just told me that it was an online coding challenge so I did not know what to expect or what to prepare. I just thought it would be some DSA or puzzle challenge round. I think it was 30 questions in 30 minutes of something like that. I thought that did not do well, surprisingly they asked to attend the second round.
HTTP request passes through multiple network layers before reaching the server.
HTTP request is first sent from client to local network router.
Router forwards request to Internet Service Provider's network.
Request then passes through multiple routers and switches in the internet backbone.
Finally, request reaches the server hosting the requested website or service.
Each network layer adds its own headers and metadata to t
HTTP is stateless because it does not retain information about previous requests.
HTTP treats each request as an independent transaction without any knowledge of previous requests.
This design simplifies implementation and improves scalability.
State information can be managed using cookies or session tokens.
Example: When a user logs into a website, the server may create a session token to track the user's activity.
I applied via Recruitment Consulltant and was interviewed in Feb 2023. There were 3 interview rounds.
The duration of Luxoft interview process can vary, but typically it takes about less than 2 weeks to complete.
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