Hackathon with 2-3 questions asked to do simple data modeling. I have been asked to read nested jsons, csv files and prepare data for the Data model. Later, I was taken for an interview with 2 member where asked some spark questions and SQL questions.
Interview questions [1]
Question 1
I was asked to explain full spark architectecture including memory and catalyst optimizer and tungsten engine.
I applied through a recruiter. The process took 1 week. I interviewed at DBS Bank in Apr 2025
Interview
The interview consists of three managers: one from India and two from the local office. including a self-introduction, followed by questions about the candidate’s CV and their knowledge of ETL and data architecture.
Interview questions [1]
Question 1
1. Explain the difference between a LEFT JOIN and a RIGHT JOIN.
2. Describe the differences between Pandas and PySpark.
3. Discuss methods for performing optimization.
I applied through an employee referral. The process took 4 weeks. I interviewed at DBS Bank (Jakarta) in July 2024
Interview
The interview process are simple, some basic questions and basic technical test. You can search online for the technical test. After the test, he explain about the job details and salary.