Screening call after filling out my online profile:
One 20min screening with HR to talk about my background, skills 50% spanish, 50% english. Then a proposal for the technical intervew.
Technical interview (100% english, ~40min):
- 8 to 10 text-book open-ended question on Python core concepts: Immutability, data types, OOP concepts, multithreading, multiprocessing, generators, decorators, closures.
Interview questions [1]
Question 1
- What are the 4 fundamental data structures in Python; (lists, dicts, tuples, sets)
- Which data types are mutable, which are immutable?
- Which data types have unique items?
- What is generator?
- What is a decorator?
- Exlplain the conept of multiple inheritance
- Explain polymorphism
- How is multiple inheritance resolved (explain how the MOR works)
- Explain how multiprocessing/multi-threading works in python (GIL, etc)
- What is a closure, how do they wok in python?
I applied online. The process took 2 days. I interviewed at BairesDev in Apr 2025
Interview
The first round of the interview was focused on gathering information and understanding the business. The interviewer was kind, professional, and knowledgeable, providing valuable insights into the company and the process.
Interview questions [1]
Question 1
The one thing they asked me was how my previous experience aligns with the goals of the company and how I can contribute to their growth. It made me reflect on how my skills could add value to the team
Thank you for your kind words! We're happy to hear that you found our application process enjoyable. We strive to provide a smooth and welcoming experience for all our applicants. Your feedback motivates us to continue improving.
I applied online. The process took 3 weeks. I interviewed at BairesDev
Interview
They asked several and general questions about python. Most of them were just concepts, for example what do you understand about inheritance, recursion, etc. The interviewer was polite and in summary I liked the process.
Interview questions [1]
Question 1
I don't remember so good, but they were related to programming concepts, focused on OOP. For example recursion, inheritance, composition, and also context managers, magic methods, etc.
