I applied through a recruiter. I interviewed at EPAM Systems in Oct 2023
Interview
its harder than i think , you need to know that all related fields with data. You also know both gcp and on-prem tech. İnterview duration is about 2 hours
Was a nice interview, they asked me an overall of technologies used in DE such as Kafka, Spark, Python, SQL and cloud services in AWS (S3, EMR, Glue, Kinesis, Lambda)
I applied through an employee referral. The process took 4 weeks. I interviewed at EPAM Systems (Guadalajara, Jalisco) in Dec 2021
Interview
Entrevista técnica basada en conceptos de data warehousing y business intelligence de aproximadamente una hora de duración. La entrevista fue fluida y con buenas preguntas con ejercicios de sql al final.
Interview questions [1]
Question 1
What are the differences between OLAP and OLTP? Different types of charts Different types of loads in the data warehouse. Differences between fact and dimension.