TEKsystems Data Engineer Interview Questions
& Process
Real candidates share what happened, how many rounds they had,
and how the experience turned out.
Based on 18 interview experiences · FREE TO READ
Candidate interview experiences
First-hand accounts from people who interviewed at TEKsystems.
TEKsystems
Data Engineer
Mid Average Neutral experience Accept offer 3 rounds
Interview process
Recruiter call Technical screen Onsite
Interview formats
Technical Coding
The interview process can vary depending on the hiring manager and client. It generally covers basic concepts of ETL, Spark Python, and SQL. Coding questions might also be asked, but it's not always the case, and things can differ based on the job description.
Confirmed questions2 questions
- Write a SQL query.
- Answer the top 50 data engineer questions related to the technologies in the job description.
TEKsystems
Data Engineer
Entry Average Positive experience Accept offer 2 rounds
Interview process
Phone screen Technical screen
Interview formats
Technical Behavioral
The first round was a phone interview, lasting about an hour. The second was a screen interview, mostly focusing on SQL and Python, which went for 45 minutes. They asked about my past work experience and projects, including system design type questions.
Confirmed questions3 questions
- Can you tell me about your work experience?
- Could you explain SQL concepts like window functions?
- Tell me about your experience with system design.
TEKsystems
Pyspark Developer
Mid Average Positive experience Accept offer 3 rounds
Interview process
Recruiter call Technical screen Technical screen
Interview formats
Technical Technical
Applied via referral and heard back from the recruiter, Tejashwini, pretty quickly. She was really helpful throughout. The interview process had 2 technical interviews and then a techno-managerial one. The interviewers were friendly and super skilled. They seemed to know exactly what they were looking for, which made me feel like this could be the right job for me. We had some negotiations, and then I accepted the offer.
Confirmed questions4 questions
- Scenario-based questions about Python
- Scenario-based questions concerning Spark
- Scenario-based questions regarding AWS services like S3, Glue, and Redshift
TEKsystems Data Engineer Interview Questions
Quoted word for word from TEKsystems interview reports.
“What is the difference between groupByKey and reduceByKey in Spark?”
Read reports →“Describe Type 2 vs Type 3 SCD.”
Read reports →“What is the difference between coalesce and repartition in Spark?”
Read reports →“Does the addition of outliers impact confidence intervals?”
Read reports →“What is denormalization, and is denormalized data stored in a snowflake or star schema?”
Read report →“Which is loaded first, the dimension or the fact table?”
Read report →“What are the different types of SCDs?”
Read report →“How can a table be kept online even when a load is in progress?”
Read report →“What are junk dimensions and how are they used?”
Read report →Formats, difficulty and experience
Across all 18 TEKsystems interview reports.