Tell me about the most difficult bugs you have found and how you localized their cause.
Middle
190
QA / QA Automation
What is the difference between deep copy and shallow copy, and when should each be used when preparing test data?
Middle
189
Why is uuid4 used in the code, what does it mean, and why is it needed?
Middle
187
Explain the 4 principles of OOP and give examples from your experience of their application.
Middle
184
Tell me about UI testing: what do you pay attention to when testing the interface?
Middle
184
Why is it necessary to deploy a test environment in Kubernetes rather than just locally or in Docker Compose?
Middle
180
How did you personally validate that a business event was correctly sent to the Kafka topic after some action in the API?
Middle
171
How do you run regression tests — before each release or on a schedule? How often?
Middle
169
Write any one of these test cases completely, including the expected results.
Middle
163
How did you plan deadlines for automation and what did you do if you couldn't meet the deadline?
Middle
159
What is the difference between WHERE and HAVING?
Middle
159
How is the difference between OLTP and OLAP used in testing?
Middle
158
Provide an example where a FULL JOIN is truly needed in practice.
Middle
150
What is the difference between OLTP and OLAP databases and how does it affect the approach to development/testing?
Middle
149
What is assert in Python and why is it needed in tests?
Middle
147
How did you differentiate tests into smoke and regression stages? At what stage were each run?
Middle
146
Tell me about the difference between the NoSQL approach and the relational model, and when it is better to choose NoSQL.
Middle
146
# Given a client registration form in a banking application with fields: # Full Name, phone, TIN, date of birth. # Create 5-7 test cases, # positive and negative scenarios, as well as boundary values.
Middle
141
Tell me about your last project: what tasks did you solve, and what exactly did you do?
Middle
139
How is the pipeline (build, unit tests, etc.) you set up in GitLab CI structured?
Middle
135